Botrychium lanceolatum subsp. angustisegmentum in Ohio

2 Pages·2003·0.92 MB·Latin

by  Warren D Hauk

American Fern Journal 93(2):93-94 (2003)
Shorter Notes
—
Botrychium lanceolatum angustisegmentum
subsp. in Ohio. In the
treat-
FNA
ment
Ophioglossaceae, 85-106, Committee,
of (1993, pp. in Editorial
Flora North America North Mexio, Volume Pteridophytes and Gym-
of of 2.
nosperms) Wagner and Wagner narrow
reported the distribution of the trian-
moon
Botrychium lanceolatum angustisegmentum,
gle wort, subsp. as
encompassing an area extending from Ontario's Lake Superior coastline
to
Moun-
eastern Quebec and southern Labrador, south along the Appalachian
tains to westernmost Virginia and North Carolina and easternmost Tennessee
and Kentucky, and extending west northern Wisconsin and the northwest
to
A
Rocky Mountains
corner of Minnesota. disjunction occurs in the northern
from northwestern Montana northern British Columbia and the southern
to
Ohio was
Northwest Territories. All but the southwestern corner of in-
cluded in the distribution of the subspecies. However, for 2000-2001 the
Ohio Department of Natural Resources listed B. lanceolatum as extirpated
because no Ohio collections were documented for a period of over 20 years
Ohio
(Ohio Department of Natural Resources. 2000. Rare Plant List, http://
We
two Ohio
www.ohiodnr.com/dnap/heritage/plantlst.html). report here
populations of B. lanceolatum subsp. angustisegmentum that confirm the
continued presence of the species in Ohio.
While examining Botrychium specimens the University of Michigan
at
Demay
Herbarium (MICH) we encountered a 1970 collection [Wagner and D.
Hocking
70467A) of the species from Cantwell Cliffs in Hills State Park,
we
Hocking OH. 2000 searched Cantwell lanceo-
Co., In June of Cliffs for B.
latum angustisegmentum and found approximately 15 sporophytes
subsp.
growing in a level, beech-maple mesophytic forest immediately adjacent to a
small stream. Infrequent disturbance of the site by flooding appears probable.
Woody Acer saccharum Fagus
included Marshall,
species closely associated
Liriodendron
Tsuga canadensis
grandifolia Ehrh., (L.) Carrire, tulipifera L.,
Lindera benzoin Blume, and Ulmus rubra Muhl. Herbaceous associates
(L.)
Asarum racemosa Osmorhiza
included canadense Cimicifuga Nutt.,
(L.)
L.,
DC, and Pteridophytes the
Tiarella cordifolia L. at site
longistylis (Torr.)
Osmunda
cinnamo-
were Dryopteris intermedia (Muhl. ex Wild.) A. Gray,
mea Lyon, and Thelypteris novebora-
Sceptridium dissectum (Spreng.)
L.,
A
censis Nieuwl. brief search in June 2001 revealed only eight
(L.)
we and
intensively searched the
individuals. This past June (2002) site
A [Hauk was
found 69 sporophytes. voucher specimen et al. 626) deposited
Herbarium (OSU). Collections between 1970
Ohio University
at the State
may
and 2000 known and re-establishment explain the cur-
are not (to us),
However, seems more probable
rent presence of the population. that this
it
and demog-
population has remained intact for at least the last 30 years, the
raphy Ophioglossaceae species consistent with this hypothesis
of other is
—
94 FERN JOURNAL
(Montgomery, Amer. New
1990, Fern 76:7; Kelley, 1994, Zealand
Bot.
J.
J.
32:393-400; Johnson-Groh, 1997 Report Minnesota
in to Dept. Nat. Resour-
MN).
ces, Paul,
St.
A
second
population
of 14 B. lanceolatum subsp. angustisegmentum
OH
was
plants discovered in Ashtabula Co., in August of 2001 by James
Bis-
Museum
sell of the Cleveland of Natural History (CLM). The population was
located beneath mixed on
a rich
forest a river terrace of the Ashtabula River
Twp.
in Sheffield with a canopy predominately Acer saccharum and
of
Lir-
iodendron and some A
tulipifera scattered Tsuga canadensis. voucher
{JKB:2001:110) was deposited CLM. The
physical between
at distance
the
Hocking and
Co. Ashtabula Co. (-180 and
sites mi.) their apparent
similar-
in habitat suggest lanceolatum may
ities that B. subsp. angustisegmentum
occur
in similar habitats across portions of Ohio. Thus, may
the species be
common
more
Ohio
in than our current knowledge and
indicates, small
its
We
probably
size contributes by
to oversight thank
its collectors.
Jessica
Budke, Emily
Gerstle, Heather Hawke, and Kennedy
Larkin
for field assis-
We
tance. also thank James and McCormak
Bissell Jim providing
for
infor-
mation on
the Ashtabula Warren
Co. population. Hauk, Department
D.
of
ARKER
Miami