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Minnesota Plant Press
                                         The Minnesota Native Plant Society Newsletter


Volume 25 Number 3                                                                                        Spring 2006
     Monthly meetings
  Minnesota Valley National Wildlife Refuge
                                              Finding the
  Visitor Center, 3815 American Blvd. East
       Bloomington, MN 55425-1600
                952-854-5900
                                              invisible orchid
 6:00 p.m. — Building east door opens         by Erika Rowe, Plant Ecologist/Botanist, Minnesota County
 6:00 p.m. — Refreshments,                    Biological Survey, Division of Ecological Services,Minnesota
             information, Room A              Department of Natural Resources
 7 – 9 p.m — Program, society business           There are a handful of native plant species in Minnesota that have
 9:00 p.m. — Building closes                  mythic qualities: elusive, rare, revered, endangered, or so specific in
               Programs                       their habitat requirements they are not likely to be seen. Bog adder’s-
  The MN NPS meets the first Thursday         mouth (Malaxis paludosa) encompasses all of these qualities and
in October, November, December,               therefore has earned the reputation of being one of the rarest orchids
February, March, April, May, and June.        in North America. Bog adder’s-mouth is one of the most challenging
Check the website for more program            orchid species to find, partly because of its rarity, but also because it
information.                                  is easily overlooked. The orchid’s small stature and greenish color
May 4: “Sioux Nation Calcareous Fen,”         make it difficult to distinguish from the mossy hummocks where it
by Jeanette Leete, hydrogeology technical     typically grows. Prior to 2005, only six known records existed from
analysis supervisor, DNR. Plant of the        four counties in Minnesota, the only state within the contiguous United
Month: Carex sterilis (a sedge) by Scott      States to have any documented locations. The first finding was in
Milburn, Society vice president.              Otter Tail County in 1904; however, that population has not been
June 1 “Invasive Cattail Control,” by         relocated. Other populations were subsequently found in Hubbard,
Cindy Kottschade, University of Minnesota     Clearwater, and Beltrami counties. It has also been found in scattered
graduate student. Native Plant Sale           locations in Canada and Alaska. It is less rare in northern Europe.
immediately following the program.               In 2005, Malaxis paludosa was on my rare plant list as a species to
                                              look out for while surveying Becker County for the DNR’s Minnesota
Symposium is April 22                         County Biological Survey. The idea of finding it, however, seemed
  At press time, there were still a few       so remote I was reluctant to search for it. So when my colleague, Tim
openings at this year’s MN NPS                Whitfeld, who was surveying nearby Clearwater County, told me
symposium — The Land That Glaciers            that he was going to spend a few days looking for Malaxis paludosa,
Forgot: The Ecology of the Driftless Area.    my initial reaction was one of amazement for attempting such an
It will be from 9 a.m. to 4 p.m. Saturday,    ambitious goal. In fact, several other experienced botanists uttered
April 22, at the St. Olaf College Science     words such as “wild goose chase”
Center, Room280, in Northfield. Details       and a sarcastic “good luck!”
are on the website, www.mnnps.org             However, this wasn’t going to            In this issue
                                              dissuade him from organizing a New MN NPS T-shirt............2
 MN NPS website                               trip with another DNR botanist, Field trips..............................3
 www.mnnps.org
                                              Welby Smith, to a documented Dr. Valentine O’Malley.........3
 e-mail: contact@mnnps.org
                                              location of Malaxis paludosa Bolete mushrooms and trees.5
 MN NPS Listserve                             during peak flowering in early FQA for state wetlands.........6
   Send a message that includes the word      August. Often, seeing a flowering 6 p.m. social hour/................6
 “subscribe” or “unsubscribe” and your        specimen in its habitat is the best Plant sale tips........................6
 name in the body of the message to:          way to begin searching for rare Wild ginger (Plant Lore)......7
 mn-natpl-request@stolaf.edu                              Continued on page 4
Society’s first T-shirt features                                                MN NPS Board
design by Vera Ming Wong                                                        of Directors
by Jason Husveth                                                                  President: Jason Husveth,14758
                                                                                Ostlund Tr. N, Marine on St. Croix,
  The Minnesota Native Plant                                                    MN 55047; 651-247-0474;
Society is pleased to announce the                                              president@mnnps.org
upcoming arrival of its own limited                                               Vice-President: Scott Milburn,
edition T-shirt.                                                                vp@mnnps.org
   Since October 2005, the Society                                                Secretary: Karen Schik,
has been collaborating with Vera                                                secretary@mnnps.org
Ming Wong, renowned local                                                         Treasurer:       Ron Huber,
                                                                                treasurer@mnnps.org
botanical artist (and plant society
honorary member), to design the                                                   Ken Arndt, board member,
                                                                                karndt@mnnps.org
Society’s first T-shirt. Vera produced
                                                                                  Daniel Jones, board member,
a stunning woodcut print design,
                                                                                djones@mnnps.org
which will be printed with forest
                                                                                  Shirley Mah Kooyman, board
green ink on natural organic shirts.                                            member, skooyman@mnnps.org
  The design showcases Minnesota’s       Invasive species events                  Sandy McCartney, board
state flower — the Showy Lady’s          If you are sponsoring an invasive      member, smccartney@mnnps.org
                                       species event this year, send the          Program Coordinator: Linda
Slipper Orchid (Cypripedium            information to Dianne Plunkett
reginae), along with the Society’s                                              Huhn, 612-374-1435
                                       Latham at PlunkettDi@mn.rr.com
name and website address.                                                          Listserv Coordinator: Charles
                                       and she will coordinate posting on
                                                                                Umbanhowar, ceumb@stolaf.edu
  The shirts are now in print and will the MN NPS website with our                 Field Trips:
                                       webmaster. If you would like to
be available for sale at the April 22                                           fieldtrips@mnnps.org
                                       volunteer in one of the many noxious
symposium and at our monthly weed control programs throughout                      Memberships:
meetings and field trips. Sizes Small the state, go to www.mnnps.org/           memberships@mnnps.org; 651-
to XXXL will be available. Be sure invasive/index.htm for a listing of          739-4323
to purchase these uniquely beautiful events, and select one that has a             Historian/Archives:
shirts before they sell out!           convenient time and location for you.    president@mnnps.org
                                                                                   Technical or membership
                                                                                inquiries: contact@mnnps.org
Minnesota Native Plant Society’s purpose                                           Minnesota Plant Press editor:
    (Abbreviated from the bylaws)                                               Gerry Drewry, phone, 651-463-
      This organization is exclusively organized and operated for educational   8006; plantpress@mnnps.org
    and scientific purposes, including the following:
                                                                                Mary Brown resigns
    1. Conservation of all native plants.                                       from board; three
    2. Continuing education of all members in the plant sciences.
    3. Education of the public regarding environmental protection of plant      members re-elected
    life.                                                                         Mary Brown has resigned from the
    4. Encouragement of research and publications on plants native to           Minnesota Native Plant Society
    Minnesota.                                                                  Board of Directors. She cited time
    5. Study of legislation on Minnesota flora, vegetation and ecosystems.      constraints, but said she will continue
    6. Preservation of special plants, plant communities and scientific and     to remain active in the Society.
    natural areas.                                                                The three board members whose
    7. Cooperation in programs concerned with the ecology of natural            terms expire in June have been re-
    resources and scenic features.                                              elected. They are Scott Milburn,
    8. Fellowship with all persons interested in native plants through          Shirley Mah Kooyman, and Daniel
    meetings, lectures, workshops and field trips.                              Jones.
2
Memorial honors                           Sign up now for field
Dr. Valentine
O’Malley                                  trips in May, June, July
                                          by Ken Arndt
by Linda Huhn                               Spring wildflowers will soon be blooming, so now is the time to sign up
  Long-time Minnesota Native Plant        for the next MN NPS field trips. Sign-up sheets will be at the monthly
Society member Dr. Valentine (Val)        meetings, along with detailed information about each field trip. Or, you
O’Malley, who passed away June 2,         can sign up anytime by going to our website and following the link to
2005, at the age of 86, made many         “Field Trips.” New information is being posted regularly on upcoming
contributions to the Society as well      trips for the spring and summer.
as to his community and country.
  In memory of his friend, Arden          Wolsfeld Woods SNA
Anestad has made a significant              Sunday, May 7, from 1 to 3 p.m., join Shirley Mah Kooyman, MN NPS
monetary gift to the Society. “We         board member and adult education manager at the Minnesota Landscape
will miss him at meetings,” he            Arboretum, for an afternoon of woodland wildflower identification at
remarked to me. And that’s an             Wolsfeld Woods Scientific Natural Area in Long Lake. This fine example
understatement.                           of “Big Woods” is home to many spring ephemerals like bloodroot, hepatica,
                                          rue anemone and bellwort.
  In addition to his membership
dating back to 1992, Val served on        Pioneer Park
the Society’s Board of Directors from       Saturday, June 10, from 8 a.m. to 2 p.m., the Society will be leading a
1994-97 and was chair of the              working field trip at Pioneer Park in Blaine. Come work with Botanist
Conservation Committee for several        Jason Husveth, our president, in the continued effort to restore the fen.
years. More recently, I remember          Participants will assist with invasive plant removal and seed collection.
him as a most enthusiastic front-row      After lunch, there will be an interpretive walk led by Jason, which will
sitter — along with his good friend       give everyone the chance to see the progress of the fen restoration. Many
and former board member Arden —           rare plants will be encountered on this field trip, so sign up now and help
at our monthly programs. “Linda,          make a difference on the ground! Group leaders will be on-site throughout
this was really a good program, thank     the day. Come work for as many hours as you can spare, and enjoy a day
you so much,” and “This is really         helping to restore the habitat of several threatened and endangered plant
great!” were phrases he often used.       species of the Anoka Sand Plain.
Even though his hearing was               Patterned peatlands of northern Minnesota (Date changed.)
impaired and his health obviously           Set aside the weekend of July 21 to 23 for a field trip to the northern
failing last spring, his enthusiasm for   reaches of Minnesota near Ely, within the Superior National Forest. Jason
learning and for our Society never        Husveth will lead this two-day field trip. On Saturday the 22nd, the
waned.                                    participants will be led on an all-day hike across a saturated cushion of
                                          peat moss, through patterned peatlands, rich and poor fens, black spruce
  According to Arden, “He was very        and tamarack swamps, to see and experience the northern plant communities
interested in the natural world,” and     of this region. Many different native plants will be encountered along the
was also a member of Audubon
Society, Como Zoo, Friends of the                                               way, including orchids, carnivorous
St. Paul Public Library, the              Hospital from 1967-69, and was plants, sedges, rushes, and grasses.
Geological Society of Minnesota,          Minnesota Deputy Commissioner of The second day will entail a less
and the Horticultural Society. “We        Health from 1983-87. At the time rigorous but equally spectacular hike
always did a lot of birding together,     of his death, he was a medical at another local setting (or serve as a
and he helped me in banding birds         consultant for the Minnesota back-up in case of inclement weather
and on field trips with my classes,”      Department of Health. During the on Saturday). Camping and lodging
Arden added.                              Korean Conflict, he was a captain are plentiful in this area, but
                                          in the Army and in 1983 retired from remember to make reservations in
  In his professional life, according     the National Guard as a brigadier advance, since the summer can be
to Arden and the June 3, 2005, St.        general. Val’s wife Lorraine busy. Check our website in the
Paul Pioneer Press obituary, Val          preceded him in death. In his coming weeks for detailed
practiced internal medicine and           immediate family, he is survived by information regarding this field trip.
cardiology in St. Paul for 30 years,      three     children     and      four A $10/person or $20/family fee is
was chief of staff at St. Joseph’s        grandchildren.                        required to register for this event.
                                                                                                                        3
Finding the orchid                                                                     29 very small, greenish yellow
Continued from page 1                                                                  flowers that have a faint blue-green
plants. Pictures and herbarium                                                         striped lip. These flowers twist
specimens can only go so far in                                                        themselves 360 degrees so that the
conveying how tiny and difficult this                                                  lip is uppermost of the perianth parts.
orchid is to see.                                                                      Most orchids twist 180 degrees in
                                                                                       order to have the lip lowermost in the
   I decided to take part in the foray                                                 flower. Another interesting
to relocate the existing population of                                                 adaptation of this orchid is its ability
orchids, although I remained                                                           to develop tiny vegetative propagules
skeptical that we would find them.                                                     called foliar embryos at the margins
Many people have tried returning to                                                    of its leaves that are capable of
known populations of Malaxis                                                           growing into new adult plants once
paludosa and have been unsuccessful                                                    the leaves drop. How often or
in relocating them, perhaps because                                                    effective this process is in producing
the orchids were not in bloom at the                                                   a new plant is not known. The only
time, but more likely because the                                                      insect observed carrying pollen from
plants have an uncanny ability to                                                      this plant is a species of fungus gnat,
disappear into the vegetation even                                                     Phronia digitata.
when one is standing in a patch of
them.                                                                                    When I returned to the office, I
                                          Photo by Erika Rowe, Copyright 2005, State   notified Welby about the new
   Our destination was a rich black       of Minnesota, Department of Natural          populations that Mike and I had
spruce swamp in Clearwater County.        Resources, Reprinted with Permission.        found. In near disbelief, he somewhat
We set out in a line and walked           what are the chances!” I came to my          jokingly said, “Wow, finding Malaxis
slowly, scouring the ground with our      senses and proceeded to count                paludosa will be the top find of your
eyes. Close to an hour went by and        another 10 plants within roughly two         career!” Well, I guess it’s all down
still no orchids. Something then          acres. When I got back to the field          hill from here.
caught my eye, despite thinking that      house that evening, my colleague
it was probably just another fruiting     Mike Lee (also working in Becker             Sonja Larsen nature
stem of naked mitrewort (Mitella
nuda), which is common in that
                                          County), who was also inspired by            prints are on exhibit
                                          Tim’s enthusiasm for finding
habitat. As I got closer, I immediately                                                by Sue Filbin, member of the
                                          Malaxis paludosa, told me of his own
knew that it was Malaxis paludosa,                                                     Minnesota Native Plant Society and
                                          discovery of yet another population.
despite having never seen it in the                                                    the Nature Printing Society
                                          By the end of summer, five new
field. I was then determined to find      locations were found in Becker                 Nature printer Sonja Larsen is
a new population in Becker County.        County, bringing the total up to 11          presenting an exhibit of spring
  The next day, I set out hiking for a    locations in Minnesota.                      ephemerals and buds native to
small black spruce swamp mixed              All known occurrences of Malaxis           Minnesota at the Eloise Butler
with tamarack in Becker County that       paludosa are in conifer swamps               Wildflower Garden during April. The
seemed to have all the right              dominated by black spruce with               show is in the Martha Crone Visitors’
characteristics for potential habitat.    occasional white cedar or tamarack.          Shelter. The garden opens at 10 a.m.
The confidence that I had felt the day    The plants are usually growing in            Monday through Saturday and at
before had worn off by the time I had     semi-shaded sites perched on                 noon on Sunday and closes one hour
arrived at my destination and I had       hummocks of Sphagnum, feather                before sunset. Admission is free.
begun to feel that this long, arduous     mosses, or rarely Mnium moss,                  Sonja Larsen lives near Nisswa.
hike would be for naught. Shortly         appearing as if not rooted at all. The       For many years, she led workshops
into my search I spotted green            basal parts consist of a pseudobulb,         at the annual meeting of the Nature
adder’s-mouth(Malaxis unifolia),          which is a swelling of the stem,             Printing Society, and, for the 15th
which is often known to coexist with      covered by the bases of two to five          year, will guide her own workshop
Malaxis paludosa. I stooped down to       alternate leaves. Stems arise from the       in June at Driftwood Resort. She
confirm this, and to my disbelieving      pseudobulb and are typically three to        makes her prints directly from the
eyes there were also four Malaxis         six inches long (including                   plants, to enable viewers to identify
paludosa in full bloom! I was in such     inflorescence). Flowering begins             and appreciate the beauty inherent in
shock that I just stood there frozen,     around mid-July and lasts through            the plant life we often take for
saying to myself “this can’t be —         the end of August, producing 10 to           granted.
4
most of its life. An aggregate of
A match made in humus? The                                                          hyphae is known as a mycelium,
                                                                                    which is the “body” of the fungus that
association between bolete                                                          resides in the soil and humus layers
                                                                                    and, in ectomycorrhizal fungi,
mushrooms and trees                                                                 interacts with the roots of plants.
by Bryn T. M. Dentinger, University       One type, in which the fungus             Only when two suitable mycelial
of Minnesota graduate student. This       envelops the developing lateral roots     mates join with each other (fungal
is an abstract of his talk at the March   but does not penetrate the plant’s        sex!) can a mushroom be produced,
2, 2006, meeting.                         cells, is called ectomycorrhizae. It is   thus completing the life cycle of a
  Fungi are one of the most diverse       this type of association that is found    mushroom-producing fungus.
lineages of eukaryotic organisms on       in many of the trees that dominate          In Minnesota, 20 of 50 known
the planet. With over 1.5 million         the temperate forests of the world,       genera of boletes have been recorded.
estimated species, only a fraction are    most prominently in the Pinaceae,         In contrast, we only have
yet known to science. These               Fagaceae,         Betulaceae       and    documentation for 9.4 percent of all
organisms, whose ecological roles         Salicaceae. In Minnesota, eight           described species of boletes. This
are mimicked by distantly related         species of conifers and 24 species of     low species diversity is partly on
cousins, the water molds and slime        angiosperms are known to form             account of the limited biogeographic
molds, are instrumental in all living     obligate            ectomycorrhizal       distribution of many boletes, but also
environments          as     decayers,    associations with fungi, including all    largely a factor of very poor
pathogens, and mutualistic                oaks (Quercus spp.), pines (Pinus         sampling. Clearly, more mushroom
                                          spp.), spruce (Picea spp.) and Balsam     hunters are needed to better
symbionts.
                                          fir (Abies balsamea). The state tree      document Minnesota boletes. Some
  One way in which the true fungi         of Minnesota (Pinus resinosa) would       of the common Minnesota members
(not including water molds and slime      not exist without these beneficial        include the often slimy-capped
molds) are essential is through an        fungi on its roots.                       Suillus; the pink-spored, bitter-
intimate association with plants’                                                   tasting Tylopilus; the kooky “Old
                                            The fungi involved in these
roots, known as mycorrhizae. In                                                     Man of the Woods” (Strobilomyces
                                          mutualistic associations are far more
these      mutually         beneficial                                              floccopus); the blue-staining
                                          diverse than the plants. It has been
associations (mutualisms), the plant                                                Gyroporus cyanescens; and the false
                                          estimated that more than 5,000
provides the fungus with sugars it                                                  truffle genus Scleroderma.
                                          species of fungi forming
creates through photosynthesis in                                                     Minnesota also has the strange
                                          ectomycorrhizal associations have
return for water, minerals, and                                                     Midwestern endemic Paragyrodon
                                          been described! One prominent
protection from pathogens. The                                                      sphaerosporus and one species that
                                          group of ectomycorrhizal fungi are
interdependence on this mutualism                                                   has been collected only once in the
                                          called the “boletes,” based on the
is so strong that both the fungus and                                               history of the world, Suillus
                                          morphology of the reproductive
plant are unable to persist in natural                                              weaverae, named in 1965 in honor
                                          structures (mushrooms) that they
environments without each other.                                                    of the avid mushroom hunter Peg
                                          produce.
   This association is also very old        A bolete is a typical-looking fleshy,   Weaver.
— about 460 million years. It is now      stalked mushroom, but with densely           One other notable group of boletes
widely believed that a mycorrhizal        packed vertical tubes underneath the      found in Minnesota are the gourmet
association facilitated the initial       cap, rather than the gill-like            edible porcini (genus Boletus section
colonization of land by the earliest      structures of the stereotypical           Boletus). There are at least three
aquatic non-vascular plants. Since        mushroom. These tubes give the            species known as porcini that are
this arrival on land, the mycorrhizal     underside of the cap an appearance        found throughout the state: the
association has dominated the life of     similar to a sponge. It is inside of      Boletus nobilissimus complex is
plants, and at present, more than 90      these cylindrical tubes where the         found in oak forests in central and
percent of all plants are involved in     numerous spores are produced,             southern Minnesota; Boletus edulis
a mutual symbiosis with fungi.            which, at maturity, are forcibly          var. clavipes is found with conifers,
  There are several types of              discharged into the air for dispersal     aspen, and birch in the boreal habitats
mycorrhizal associations that are         by wind. When a spore lands in a          of central and northern Minnesota;
characterized by the morphology and       suitable environment, it will             Boletus subcaerulescens, a rare
anatomy of the contact between the        germinate to produce filaments of         species, has been documented from
fungus and plant roots, as well as the    cells known as hyphae. These hyphae       a single red pine (Pinus resinosa)
plant and fungus species involved.        are the form in which the fungus lives    plantation.
                                                                                                                          5
Floristic Quality Assessment for Pot your plants
state wetlands being developed now for June 1
by Scott Milburn                                                                              plant sale
  The Floristic Quality Assessment (FQA) was first introduced in the                          by Ken Arndt
Chicago Region in an attempt to provide a standardized method for assessing                     The annual MN NPS native plant
the quality of natural areas. This methodology is additionally advantageous                   sale will be June 1, following the
in that it can be used to assess restored areas, ecological quality between                   meeting. Plants will be arranged
sites, and changes to floristic quality over time.                                            outside of the main building, similar
  The FQA is based on native species conservatism or coefficient of                           to previous years. Members are
conservatism (C-value). This C-value is a numerical gauge of species                          asked to bring native plants that they
tolerance towards disturbance and                                                             have propagated themselves from
habitat fidelity. The FQA provides Meet members at 6                                          seed or division to the front of the
two values, a mean coefficient of                                                             building at 6 p.m. We need all plants
conservatism and a floristic quality p.m. social hour                                         to be potted individually and labeled
index. The mean coefficient of by Anne McGee,Social Committee                                 with common and scientific names.
conservatism is determined by chair                                                           Pricing will be done by the plant sale
calculating the average C-value for                    On MN NPS meeting nights, skip         volunteers.
an area of interest. The floristic                   your take-out food or home stop, and       Now is the time to get out and
quality index incorporates the mean come right to the Wildlife Refuge at                      divide your extra native plants as
coefficient of conservatism in 6 p.m. for a healthy snack and                                 they start to emerge from the soil.
addition to species richness.                        friendly conversation. Our social        The longer the plants can be potted
                                                     committee is working to create an        up before the sale, the better the
  To determine the floristic quality environment which is welcoming to
index, all native species inhabiting new members and encourages                               condition they will be in for the sale.
the subject area or vegetative getting acquainted, professional                               We ask that only native plants be
community are documented. Once sharing, and exchange of native                                donated, not cultivars or other
the list is compiled, the C-values gardening ideas. We also like whole                        horticultural selections. In addition
derived from the species list would foods and a non-package/garbage                           to members’ donations of plant
be averaged and multiplied by the emphasis. Bringing your own mug                             material, we will also be adding to
square root of the number of native for your beverage will be                                 this year’s sale native plants from
species documented. The greater the appreciated.                                              local nurseries that specialize in
mean C-value and Index value are,                      When you arrive for the social         native plant material.
the higher the floristic integrity is.               hour, we will greet you and give you        No out-of-state plants can be
  The floristic quality assessment has a name tag. Help yourself to a filling                 accepted unless they have been
already been implemented in Illinois, snack. Beverage will be provided, or                    certified by the Department of
Indiana, Iowa, Michigan, Missouri, select one from the pop machine in                         Agriculture of the state in which they
North Dakota/South Dakota, Ohio, the entry. Beginning in May, we will                         were grown. Minnesota has
and Wisconsin. The Minnesota have hot coffee or tea for those who                             reciprocity with all other state
Pollution Control Agency’s bring their own mugs. Then join a                                  departments of agriculture, so they
Biological Monitoring Program table hosted by an experienced                                  will let in plants from other states if
( w w w. p c a . s t a t e . m n . u s / w a t e r / member, or mix and mingle until you      they were certified there.
                                                     head into the program at 7 p.m.            A few volunteers are needed to help
biomonitoring/index.html) is
funding the project through a U.S.                     If you would like to join the social   with setting up the sales area and
EPA wetland program development                      committee, call Anne McGee at 651-       assisting members with their plants.
                                                     994-1956.                                Once the sale begins, volunteers will
grant to develop a consistent and
reliable method to monitor the Garden with native plants                                      be allowed to select plants first,
quality of the state’s wetlands. The                   A class, “Using Native Plants in the   followed by members who brought
C-values are currently being Garden,” will be taught at the                                   plants, and finally all other members
assigned by a panel of expert Minnesota Arboretum from 10 a.m.                                and visitors.
Minnesota botanists and should be to 12:30 p.m. Saturday, April 29. The                         Dave Crawford and Ken Arndt are
completed this year. In addition to instructor will be Douglas Owens-                         co-chairs of the plant sale. To
the development of C-values, Pike. For more information, e-mail                               volunteer, contact Ken Arndt at
updated species distribution maps education@arboretum.umn.edu or                              karndt@pioneereng.com. or 651-
will also be generated.                              call 952-443-1422.                       251-0626.
6
Plant Lore                                                                           Back to Boot
by Thor Kommedahl
What is wild ginger?                                                                 Lake SNA for
   Wild ginger is Asarum canadense,
a native plant of Minnesota in the                                                   Winter Botany
birthwort family (Aristolochiaceae).                                                 by Ken Arndt
How did it get its names?                                                              On Saturday, March 11, a group of
   Asarum is an ancient Greek word                                                   15 MN NPS members enjoyed a
of unknown derivation used by                                                        morning        of     winter     plant
Dioscorides. Birthwort refers to its                                                 identification at Boot Lake Scientific
flowers, which resemble a swollen                                                    and Natural Area, located in northern
womb, and wort means the plant was                                                   Anoka County.             Field trip
once used in medicine. Aristolochia,                                                 participants were led by Vice
in the family name, means birth-                                                     President Scott Milburn (botanist)
improver. Ginger refers to its taste                                                 and Board Member Ken Arndt
resemblance to commercial ginger                                                     (urban forester) through several
(no relation).                                                                       different plant communities on the
What does the plant look like?                                                       way to Boot Lake, including a
   The heart-shaped leaves of this                                                   tamarack swamp, mature hardwood
low-growing perennial grow in pairs                                                  forest, and stands of large white pine.
from the underground stem                                                              With temperatures in the 40s and
(rhizome), and both leaf blades and                                                  very little snow cover, a sense of
petioles are hairy. In the fork made                                                 spring was in the air. The winter was
by the paired leaf stalks, a solitary,                                               gentle to the plants here, with several
reddish-brown flower is borne. Often                                                 types of ferns still green from last
hidden by leaves, the flower is                                                      year. Small herbaceous plants like
detectable by its foul odor that                                                     goldthread (Coptis groenlandica)
attracts flies, to foster pollination,                                               and bunchberry (Cornus canadensis)
fungus-gnats, and other ground                                                       were clearly visible throughout the
insects.                                                                             tamarack hummocks.
                                           Asarum canadense drawing and
Where does wild ginger grow?                                                           From the tamaracks, the group was
   It grows in rich, moist woods,          photo by Jason Husveth
                                                                                     led into a stand of mature white pine
usually in colonies, throughout the                                                  — one of the finest stands left in
state but is native in similar climates
                                           Thank you, volunteers
                                           by Ellen L. Fuge, Management              Anoka County. As we made our way
of North America, Europe, and Asia.                                                  through the woods, we were able to
                                           Supervisor, Scientific and Natural
What are its medicinal uses, if any?                                                 identify many different trees and
                                           Areas Program
   American Indians used root tea for                                                shrubs by their buds, form, and other
                                             I want to thank the Minnnesota
colds and for uterine problems.                                                      key winter characteristics.
                                           Native Plant Society (who’ve
Indian women used it to regulate                                                       We came across several areas that
                                           adopted Grey Cloud Dunes SNA)
menstrual cycles and for birth                                                       are part of a reforestation project
                                           and all who showed up on Feb. 10
control, influenced by the womb-                                                     where deer exclosures have been
                                           to cut and burn brush. Thirteen
shaped flowers. Pioneers consumed                                                    placed to encourage the regeneration
                                           volunteers made the four-hour event
it to ease gas formation and as a tonic.   very successful. These hard workers       of white pine. With the noted high
It contains the anti-tumor compound        consolidated many small, unburnable       deer population at Boot Lake, a long-
aristolochic acid.                         piles into six burn piles. This cleared   term study like the one underway will
Does it have any economic uses?            the area of brush that would have         provide valuable information about
   Dried roots have been candied or        interfered with the prescribed burn       the deer’s effect on the plants. After
pulverized for use as a kitchen spice.     planned for this spring. Additionally,    seeing water-willow (Decodon
It is a constituent of some snuffs.        they      cut and burned more             verticillatus) along the banks of Boot
Wild ginger is planted in shaded wild      honeysuckle, the dominant exotic          Lake, the group headed back through
gardens and to make a ground cover         invasive shrub in the savanna that is     the forests and wetlands with an
in shade. It can be propagated by          being restored.                           appreciation of the many different
division and by seeds.                       Thank you!                              plant communities in this great SNA.
                                                                                                                           7
Minnesota Native Plant Society
P.O. Box 20401
Bloomington, MN 55420




 Spring 2006

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Rare Orchid Found in Minnesota

  • 1. Minnesota Plant Press The Minnesota Native Plant Society Newsletter Volume 25 Number 3 Spring 2006 Monthly meetings Minnesota Valley National Wildlife Refuge Finding the Visitor Center, 3815 American Blvd. East Bloomington, MN 55425-1600 952-854-5900 invisible orchid 6:00 p.m. — Building east door opens by Erika Rowe, Plant Ecologist/Botanist, Minnesota County 6:00 p.m. — Refreshments, Biological Survey, Division of Ecological Services,Minnesota information, Room A Department of Natural Resources 7 – 9 p.m — Program, society business There are a handful of native plant species in Minnesota that have 9:00 p.m. — Building closes mythic qualities: elusive, rare, revered, endangered, or so specific in Programs their habitat requirements they are not likely to be seen. Bog adder’s- The MN NPS meets the first Thursday mouth (Malaxis paludosa) encompasses all of these qualities and in October, November, December, therefore has earned the reputation of being one of the rarest orchids February, March, April, May, and June. in North America. Bog adder’s-mouth is one of the most challenging Check the website for more program orchid species to find, partly because of its rarity, but also because it information. is easily overlooked. The orchid’s small stature and greenish color May 4: “Sioux Nation Calcareous Fen,” make it difficult to distinguish from the mossy hummocks where it by Jeanette Leete, hydrogeology technical typically grows. Prior to 2005, only six known records existed from analysis supervisor, DNR. Plant of the four counties in Minnesota, the only state within the contiguous United Month: Carex sterilis (a sedge) by Scott States to have any documented locations. The first finding was in Milburn, Society vice president. Otter Tail County in 1904; however, that population has not been June 1 “Invasive Cattail Control,” by relocated. Other populations were subsequently found in Hubbard, Cindy Kottschade, University of Minnesota Clearwater, and Beltrami counties. It has also been found in scattered graduate student. Native Plant Sale locations in Canada and Alaska. It is less rare in northern Europe. immediately following the program. In 2005, Malaxis paludosa was on my rare plant list as a species to look out for while surveying Becker County for the DNR’s Minnesota Symposium is April 22 County Biological Survey. The idea of finding it, however, seemed At press time, there were still a few so remote I was reluctant to search for it. So when my colleague, Tim openings at this year’s MN NPS Whitfeld, who was surveying nearby Clearwater County, told me symposium — The Land That Glaciers that he was going to spend a few days looking for Malaxis paludosa, Forgot: The Ecology of the Driftless Area. my initial reaction was one of amazement for attempting such an It will be from 9 a.m. to 4 p.m. Saturday, ambitious goal. In fact, several other experienced botanists uttered April 22, at the St. Olaf College Science words such as “wild goose chase” Center, Room280, in Northfield. Details and a sarcastic “good luck!” are on the website, www.mnnps.org However, this wasn’t going to In this issue dissuade him from organizing a New MN NPS T-shirt............2 MN NPS website trip with another DNR botanist, Field trips..............................3 www.mnnps.org Welby Smith, to a documented Dr. Valentine O’Malley.........3 e-mail: contact@mnnps.org location of Malaxis paludosa Bolete mushrooms and trees.5 MN NPS Listserve during peak flowering in early FQA for state wetlands.........6 Send a message that includes the word August. Often, seeing a flowering 6 p.m. social hour/................6 “subscribe” or “unsubscribe” and your specimen in its habitat is the best Plant sale tips........................6 name in the body of the message to: way to begin searching for rare Wild ginger (Plant Lore)......7 mn-natpl-request@stolaf.edu Continued on page 4
  • 2. Society’s first T-shirt features MN NPS Board design by Vera Ming Wong of Directors by Jason Husveth President: Jason Husveth,14758 Ostlund Tr. N, Marine on St. Croix, The Minnesota Native Plant MN 55047; 651-247-0474; Society is pleased to announce the president@mnnps.org upcoming arrival of its own limited Vice-President: Scott Milburn, edition T-shirt. vp@mnnps.org Since October 2005, the Society Secretary: Karen Schik, has been collaborating with Vera secretary@mnnps.org Ming Wong, renowned local Treasurer: Ron Huber, treasurer@mnnps.org botanical artist (and plant society honorary member), to design the Ken Arndt, board member, karndt@mnnps.org Society’s first T-shirt. Vera produced Daniel Jones, board member, a stunning woodcut print design, djones@mnnps.org which will be printed with forest Shirley Mah Kooyman, board green ink on natural organic shirts. member, skooyman@mnnps.org The design showcases Minnesota’s Invasive species events Sandy McCartney, board state flower — the Showy Lady’s If you are sponsoring an invasive member, smccartney@mnnps.org species event this year, send the Program Coordinator: Linda Slipper Orchid (Cypripedium information to Dianne Plunkett reginae), along with the Society’s Huhn, 612-374-1435 Latham at PlunkettDi@mn.rr.com name and website address. Listserv Coordinator: Charles and she will coordinate posting on Umbanhowar, ceumb@stolaf.edu The shirts are now in print and will the MN NPS website with our Field Trips: webmaster. If you would like to be available for sale at the April 22 fieldtrips@mnnps.org volunteer in one of the many noxious symposium and at our monthly weed control programs throughout Memberships: meetings and field trips. Sizes Small the state, go to www.mnnps.org/ memberships@mnnps.org; 651- to XXXL will be available. Be sure invasive/index.htm for a listing of 739-4323 to purchase these uniquely beautiful events, and select one that has a Historian/Archives: shirts before they sell out! convenient time and location for you. president@mnnps.org Technical or membership inquiries: contact@mnnps.org Minnesota Native Plant Society’s purpose Minnesota Plant Press editor: (Abbreviated from the bylaws) Gerry Drewry, phone, 651-463- This organization is exclusively organized and operated for educational 8006; plantpress@mnnps.org and scientific purposes, including the following: Mary Brown resigns 1. Conservation of all native plants. from board; three 2. Continuing education of all members in the plant sciences. 3. Education of the public regarding environmental protection of plant members re-elected life. Mary Brown has resigned from the 4. Encouragement of research and publications on plants native to Minnesota Native Plant Society Minnesota. Board of Directors. She cited time 5. Study of legislation on Minnesota flora, vegetation and ecosystems. constraints, but said she will continue 6. Preservation of special plants, plant communities and scientific and to remain active in the Society. natural areas. The three board members whose 7. Cooperation in programs concerned with the ecology of natural terms expire in June have been re- resources and scenic features. elected. They are Scott Milburn, 8. Fellowship with all persons interested in native plants through Shirley Mah Kooyman, and Daniel meetings, lectures, workshops and field trips. Jones. 2
  • 3. Memorial honors Sign up now for field Dr. Valentine O’Malley trips in May, June, July by Ken Arndt by Linda Huhn Spring wildflowers will soon be blooming, so now is the time to sign up Long-time Minnesota Native Plant for the next MN NPS field trips. Sign-up sheets will be at the monthly Society member Dr. Valentine (Val) meetings, along with detailed information about each field trip. Or, you O’Malley, who passed away June 2, can sign up anytime by going to our website and following the link to 2005, at the age of 86, made many “Field Trips.” New information is being posted regularly on upcoming contributions to the Society as well trips for the spring and summer. as to his community and country. In memory of his friend, Arden Wolsfeld Woods SNA Anestad has made a significant Sunday, May 7, from 1 to 3 p.m., join Shirley Mah Kooyman, MN NPS monetary gift to the Society. “We board member and adult education manager at the Minnesota Landscape will miss him at meetings,” he Arboretum, for an afternoon of woodland wildflower identification at remarked to me. And that’s an Wolsfeld Woods Scientific Natural Area in Long Lake. This fine example understatement. of “Big Woods” is home to many spring ephemerals like bloodroot, hepatica, rue anemone and bellwort. In addition to his membership dating back to 1992, Val served on Pioneer Park the Society’s Board of Directors from Saturday, June 10, from 8 a.m. to 2 p.m., the Society will be leading a 1994-97 and was chair of the working field trip at Pioneer Park in Blaine. Come work with Botanist Conservation Committee for several Jason Husveth, our president, in the continued effort to restore the fen. years. More recently, I remember Participants will assist with invasive plant removal and seed collection. him as a most enthusiastic front-row After lunch, there will be an interpretive walk led by Jason, which will sitter — along with his good friend give everyone the chance to see the progress of the fen restoration. Many and former board member Arden — rare plants will be encountered on this field trip, so sign up now and help at our monthly programs. “Linda, make a difference on the ground! Group leaders will be on-site throughout this was really a good program, thank the day. Come work for as many hours as you can spare, and enjoy a day you so much,” and “This is really helping to restore the habitat of several threatened and endangered plant great!” were phrases he often used. species of the Anoka Sand Plain. Even though his hearing was Patterned peatlands of northern Minnesota (Date changed.) impaired and his health obviously Set aside the weekend of July 21 to 23 for a field trip to the northern failing last spring, his enthusiasm for reaches of Minnesota near Ely, within the Superior National Forest. Jason learning and for our Society never Husveth will lead this two-day field trip. On Saturday the 22nd, the waned. participants will be led on an all-day hike across a saturated cushion of peat moss, through patterned peatlands, rich and poor fens, black spruce According to Arden, “He was very and tamarack swamps, to see and experience the northern plant communities interested in the natural world,” and of this region. Many different native plants will be encountered along the was also a member of Audubon Society, Como Zoo, Friends of the way, including orchids, carnivorous St. Paul Public Library, the Hospital from 1967-69, and was plants, sedges, rushes, and grasses. Geological Society of Minnesota, Minnesota Deputy Commissioner of The second day will entail a less and the Horticultural Society. “We Health from 1983-87. At the time rigorous but equally spectacular hike always did a lot of birding together, of his death, he was a medical at another local setting (or serve as a and he helped me in banding birds consultant for the Minnesota back-up in case of inclement weather and on field trips with my classes,” Department of Health. During the on Saturday). Camping and lodging Arden added. Korean Conflict, he was a captain are plentiful in this area, but in the Army and in 1983 retired from remember to make reservations in In his professional life, according the National Guard as a brigadier advance, since the summer can be to Arden and the June 3, 2005, St. general. Val’s wife Lorraine busy. Check our website in the Paul Pioneer Press obituary, Val preceded him in death. In his coming weeks for detailed practiced internal medicine and immediate family, he is survived by information regarding this field trip. cardiology in St. Paul for 30 years, three children and four A $10/person or $20/family fee is was chief of staff at St. Joseph’s grandchildren. required to register for this event. 3
  • 4. Finding the orchid 29 very small, greenish yellow Continued from page 1 flowers that have a faint blue-green plants. Pictures and herbarium striped lip. These flowers twist specimens can only go so far in themselves 360 degrees so that the conveying how tiny and difficult this lip is uppermost of the perianth parts. orchid is to see. Most orchids twist 180 degrees in order to have the lip lowermost in the I decided to take part in the foray flower. Another interesting to relocate the existing population of adaptation of this orchid is its ability orchids, although I remained to develop tiny vegetative propagules skeptical that we would find them. called foliar embryos at the margins Many people have tried returning to of its leaves that are capable of known populations of Malaxis growing into new adult plants once paludosa and have been unsuccessful the leaves drop. How often or in relocating them, perhaps because effective this process is in producing the orchids were not in bloom at the a new plant is not known. The only time, but more likely because the insect observed carrying pollen from plants have an uncanny ability to this plant is a species of fungus gnat, disappear into the vegetation even Phronia digitata. when one is standing in a patch of them. When I returned to the office, I Photo by Erika Rowe, Copyright 2005, State notified Welby about the new Our destination was a rich black of Minnesota, Department of Natural populations that Mike and I had spruce swamp in Clearwater County. Resources, Reprinted with Permission. found. In near disbelief, he somewhat We set out in a line and walked what are the chances!” I came to my jokingly said, “Wow, finding Malaxis slowly, scouring the ground with our senses and proceeded to count paludosa will be the top find of your eyes. Close to an hour went by and another 10 plants within roughly two career!” Well, I guess it’s all down still no orchids. Something then acres. When I got back to the field hill from here. caught my eye, despite thinking that house that evening, my colleague it was probably just another fruiting Mike Lee (also working in Becker Sonja Larsen nature stem of naked mitrewort (Mitella nuda), which is common in that County), who was also inspired by prints are on exhibit Tim’s enthusiasm for finding habitat. As I got closer, I immediately by Sue Filbin, member of the Malaxis paludosa, told me of his own knew that it was Malaxis paludosa, Minnesota Native Plant Society and discovery of yet another population. despite having never seen it in the the Nature Printing Society By the end of summer, five new field. I was then determined to find locations were found in Becker Nature printer Sonja Larsen is a new population in Becker County. County, bringing the total up to 11 presenting an exhibit of spring The next day, I set out hiking for a locations in Minnesota. ephemerals and buds native to small black spruce swamp mixed All known occurrences of Malaxis Minnesota at the Eloise Butler with tamarack in Becker County that paludosa are in conifer swamps Wildflower Garden during April. The seemed to have all the right dominated by black spruce with show is in the Martha Crone Visitors’ characteristics for potential habitat. occasional white cedar or tamarack. Shelter. The garden opens at 10 a.m. The confidence that I had felt the day The plants are usually growing in Monday through Saturday and at before had worn off by the time I had semi-shaded sites perched on noon on Sunday and closes one hour arrived at my destination and I had hummocks of Sphagnum, feather before sunset. Admission is free. begun to feel that this long, arduous mosses, or rarely Mnium moss, Sonja Larsen lives near Nisswa. hike would be for naught. Shortly appearing as if not rooted at all. The For many years, she led workshops into my search I spotted green basal parts consist of a pseudobulb, at the annual meeting of the Nature adder’s-mouth(Malaxis unifolia), which is a swelling of the stem, Printing Society, and, for the 15th which is often known to coexist with covered by the bases of two to five year, will guide her own workshop Malaxis paludosa. I stooped down to alternate leaves. Stems arise from the in June at Driftwood Resort. She confirm this, and to my disbelieving pseudobulb and are typically three to makes her prints directly from the eyes there were also four Malaxis six inches long (including plants, to enable viewers to identify paludosa in full bloom! I was in such inflorescence). Flowering begins and appreciate the beauty inherent in shock that I just stood there frozen, around mid-July and lasts through the plant life we often take for saying to myself “this can’t be — the end of August, producing 10 to granted. 4
  • 5. most of its life. An aggregate of A match made in humus? The hyphae is known as a mycelium, which is the “body” of the fungus that association between bolete resides in the soil and humus layers and, in ectomycorrhizal fungi, mushrooms and trees interacts with the roots of plants. by Bryn T. M. Dentinger, University One type, in which the fungus Only when two suitable mycelial of Minnesota graduate student. This envelops the developing lateral roots mates join with each other (fungal is an abstract of his talk at the March but does not penetrate the plant’s sex!) can a mushroom be produced, 2, 2006, meeting. cells, is called ectomycorrhizae. It is thus completing the life cycle of a Fungi are one of the most diverse this type of association that is found mushroom-producing fungus. lineages of eukaryotic organisms on in many of the trees that dominate In Minnesota, 20 of 50 known the planet. With over 1.5 million the temperate forests of the world, genera of boletes have been recorded. estimated species, only a fraction are most prominently in the Pinaceae, In contrast, we only have yet known to science. These Fagaceae, Betulaceae and documentation for 9.4 percent of all organisms, whose ecological roles Salicaceae. In Minnesota, eight described species of boletes. This are mimicked by distantly related species of conifers and 24 species of low species diversity is partly on cousins, the water molds and slime angiosperms are known to form account of the limited biogeographic molds, are instrumental in all living obligate ectomycorrhizal distribution of many boletes, but also environments as decayers, associations with fungi, including all largely a factor of very poor pathogens, and mutualistic oaks (Quercus spp.), pines (Pinus sampling. Clearly, more mushroom spp.), spruce (Picea spp.) and Balsam hunters are needed to better symbionts. fir (Abies balsamea). The state tree document Minnesota boletes. Some One way in which the true fungi of Minnesota (Pinus resinosa) would of the common Minnesota members (not including water molds and slime not exist without these beneficial include the often slimy-capped molds) are essential is through an fungi on its roots. Suillus; the pink-spored, bitter- intimate association with plants’ tasting Tylopilus; the kooky “Old The fungi involved in these roots, known as mycorrhizae. In Man of the Woods” (Strobilomyces mutualistic associations are far more these mutually beneficial floccopus); the blue-staining diverse than the plants. It has been associations (mutualisms), the plant Gyroporus cyanescens; and the false estimated that more than 5,000 provides the fungus with sugars it truffle genus Scleroderma. species of fungi forming creates through photosynthesis in Minnesota also has the strange ectomycorrhizal associations have return for water, minerals, and Midwestern endemic Paragyrodon been described! One prominent protection from pathogens. The sphaerosporus and one species that group of ectomycorrhizal fungi are interdependence on this mutualism has been collected only once in the called the “boletes,” based on the is so strong that both the fungus and history of the world, Suillus morphology of the reproductive plant are unable to persist in natural weaverae, named in 1965 in honor structures (mushrooms) that they environments without each other. of the avid mushroom hunter Peg produce. This association is also very old A bolete is a typical-looking fleshy, Weaver. — about 460 million years. It is now stalked mushroom, but with densely One other notable group of boletes widely believed that a mycorrhizal packed vertical tubes underneath the found in Minnesota are the gourmet association facilitated the initial cap, rather than the gill-like edible porcini (genus Boletus section colonization of land by the earliest structures of the stereotypical Boletus). There are at least three aquatic non-vascular plants. Since mushroom. These tubes give the species known as porcini that are this arrival on land, the mycorrhizal underside of the cap an appearance found throughout the state: the association has dominated the life of similar to a sponge. It is inside of Boletus nobilissimus complex is plants, and at present, more than 90 these cylindrical tubes where the found in oak forests in central and percent of all plants are involved in numerous spores are produced, southern Minnesota; Boletus edulis a mutual symbiosis with fungi. which, at maturity, are forcibly var. clavipes is found with conifers, There are several types of discharged into the air for dispersal aspen, and birch in the boreal habitats mycorrhizal associations that are by wind. When a spore lands in a of central and northern Minnesota; characterized by the morphology and suitable environment, it will Boletus subcaerulescens, a rare anatomy of the contact between the germinate to produce filaments of species, has been documented from fungus and plant roots, as well as the cells known as hyphae. These hyphae a single red pine (Pinus resinosa) plant and fungus species involved. are the form in which the fungus lives plantation. 5
  • 6. Floristic Quality Assessment for Pot your plants state wetlands being developed now for June 1 by Scott Milburn plant sale The Floristic Quality Assessment (FQA) was first introduced in the by Ken Arndt Chicago Region in an attempt to provide a standardized method for assessing The annual MN NPS native plant the quality of natural areas. This methodology is additionally advantageous sale will be June 1, following the in that it can be used to assess restored areas, ecological quality between meeting. Plants will be arranged sites, and changes to floristic quality over time. outside of the main building, similar The FQA is based on native species conservatism or coefficient of to previous years. Members are conservatism (C-value). This C-value is a numerical gauge of species asked to bring native plants that they tolerance towards disturbance and have propagated themselves from habitat fidelity. The FQA provides Meet members at 6 seed or division to the front of the two values, a mean coefficient of building at 6 p.m. We need all plants conservatism and a floristic quality p.m. social hour to be potted individually and labeled index. The mean coefficient of by Anne McGee,Social Committee with common and scientific names. conservatism is determined by chair Pricing will be done by the plant sale calculating the average C-value for On MN NPS meeting nights, skip volunteers. an area of interest. The floristic your take-out food or home stop, and Now is the time to get out and quality index incorporates the mean come right to the Wildlife Refuge at divide your extra native plants as coefficient of conservatism in 6 p.m. for a healthy snack and they start to emerge from the soil. addition to species richness. friendly conversation. Our social The longer the plants can be potted committee is working to create an up before the sale, the better the To determine the floristic quality environment which is welcoming to index, all native species inhabiting new members and encourages condition they will be in for the sale. the subject area or vegetative getting acquainted, professional We ask that only native plants be community are documented. Once sharing, and exchange of native donated, not cultivars or other the list is compiled, the C-values gardening ideas. We also like whole horticultural selections. In addition derived from the species list would foods and a non-package/garbage to members’ donations of plant be averaged and multiplied by the emphasis. Bringing your own mug material, we will also be adding to square root of the number of native for your beverage will be this year’s sale native plants from species documented. The greater the appreciated. local nurseries that specialize in mean C-value and Index value are, When you arrive for the social native plant material. the higher the floristic integrity is. hour, we will greet you and give you No out-of-state plants can be The floristic quality assessment has a name tag. Help yourself to a filling accepted unless they have been already been implemented in Illinois, snack. Beverage will be provided, or certified by the Department of Indiana, Iowa, Michigan, Missouri, select one from the pop machine in Agriculture of the state in which they North Dakota/South Dakota, Ohio, the entry. Beginning in May, we will were grown. Minnesota has and Wisconsin. The Minnesota have hot coffee or tea for those who reciprocity with all other state Pollution Control Agency’s bring their own mugs. Then join a departments of agriculture, so they Biological Monitoring Program table hosted by an experienced will let in plants from other states if ( w w w. p c a . s t a t e . m n . u s / w a t e r / member, or mix and mingle until you they were certified there. head into the program at 7 p.m. A few volunteers are needed to help biomonitoring/index.html) is funding the project through a U.S. If you would like to join the social with setting up the sales area and EPA wetland program development committee, call Anne McGee at 651- assisting members with their plants. 994-1956. Once the sale begins, volunteers will grant to develop a consistent and reliable method to monitor the Garden with native plants be allowed to select plants first, quality of the state’s wetlands. The A class, “Using Native Plants in the followed by members who brought C-values are currently being Garden,” will be taught at the plants, and finally all other members assigned by a panel of expert Minnesota Arboretum from 10 a.m. and visitors. Minnesota botanists and should be to 12:30 p.m. Saturday, April 29. The Dave Crawford and Ken Arndt are completed this year. In addition to instructor will be Douglas Owens- co-chairs of the plant sale. To the development of C-values, Pike. For more information, e-mail volunteer, contact Ken Arndt at updated species distribution maps education@arboretum.umn.edu or karndt@pioneereng.com. or 651- will also be generated. call 952-443-1422. 251-0626. 6
  • 7. Plant Lore Back to Boot by Thor Kommedahl What is wild ginger? Lake SNA for Wild ginger is Asarum canadense, a native plant of Minnesota in the Winter Botany birthwort family (Aristolochiaceae). by Ken Arndt How did it get its names? On Saturday, March 11, a group of Asarum is an ancient Greek word 15 MN NPS members enjoyed a of unknown derivation used by morning of winter plant Dioscorides. Birthwort refers to its identification at Boot Lake Scientific flowers, which resemble a swollen and Natural Area, located in northern womb, and wort means the plant was Anoka County. Field trip once used in medicine. Aristolochia, participants were led by Vice in the family name, means birth- President Scott Milburn (botanist) improver. Ginger refers to its taste and Board Member Ken Arndt resemblance to commercial ginger (urban forester) through several (no relation). different plant communities on the What does the plant look like? way to Boot Lake, including a The heart-shaped leaves of this tamarack swamp, mature hardwood low-growing perennial grow in pairs forest, and stands of large white pine. from the underground stem With temperatures in the 40s and (rhizome), and both leaf blades and very little snow cover, a sense of petioles are hairy. In the fork made spring was in the air. The winter was by the paired leaf stalks, a solitary, gentle to the plants here, with several reddish-brown flower is borne. Often types of ferns still green from last hidden by leaves, the flower is year. Small herbaceous plants like detectable by its foul odor that goldthread (Coptis groenlandica) attracts flies, to foster pollination, and bunchberry (Cornus canadensis) fungus-gnats, and other ground were clearly visible throughout the insects. tamarack hummocks. Asarum canadense drawing and Where does wild ginger grow? From the tamaracks, the group was It grows in rich, moist woods, photo by Jason Husveth led into a stand of mature white pine usually in colonies, throughout the — one of the finest stands left in state but is native in similar climates Thank you, volunteers by Ellen L. Fuge, Management Anoka County. As we made our way of North America, Europe, and Asia. through the woods, we were able to Supervisor, Scientific and Natural What are its medicinal uses, if any? identify many different trees and Areas Program American Indians used root tea for shrubs by their buds, form, and other I want to thank the Minnnesota colds and for uterine problems. key winter characteristics. Native Plant Society (who’ve Indian women used it to regulate We came across several areas that adopted Grey Cloud Dunes SNA) menstrual cycles and for birth are part of a reforestation project and all who showed up on Feb. 10 control, influenced by the womb- where deer exclosures have been to cut and burn brush. Thirteen shaped flowers. Pioneers consumed placed to encourage the regeneration volunteers made the four-hour event it to ease gas formation and as a tonic. very successful. These hard workers of white pine. With the noted high It contains the anti-tumor compound consolidated many small, unburnable deer population at Boot Lake, a long- aristolochic acid. piles into six burn piles. This cleared term study like the one underway will Does it have any economic uses? the area of brush that would have provide valuable information about Dried roots have been candied or interfered with the prescribed burn the deer’s effect on the plants. After pulverized for use as a kitchen spice. planned for this spring. Additionally, seeing water-willow (Decodon It is a constituent of some snuffs. they cut and burned more verticillatus) along the banks of Boot Wild ginger is planted in shaded wild honeysuckle, the dominant exotic Lake, the group headed back through gardens and to make a ground cover invasive shrub in the savanna that is the forests and wetlands with an in shade. It can be propagated by being restored. appreciation of the many different division and by seeds. Thank you! plant communities in this great SNA. 7
  • 8. Minnesota Native Plant Society P.O. Box 20401 Bloomington, MN 55420 Spring 2006