Carex pensylvanica Lam.

Cyperaceae Carexpensylvanica Lam.
det. M. Nee, 2019
Wisconsin: Sauk Co., 4 km. NW of center of Spring Green,
Spring Green Preserve State Natural Area.
43°12,29.1”N, 90°05,26.5”W. alt. 238 m.
T 9 N; R 3 E; SWKSWW sect. 36.
Sand prairie at N end of Pearl Road.
A circular patch, apparently a single clone, 37 m. in
diameter with sharply delimited circumference, nearly
monospecific and evidently thii Cmrex outcompeting the
other prairie plants here, with a couple of small trees of
Quercus velutina and Prunus serótina, otherwise
completely unshaded.
Coll.: M. H. Nee 64926	12 May 2# 19
Missouri Botanical Garden (MO)
04970455