Pycnanthemum tenuifolium Schrad.

MISSOURI: Jefferson County
6.5 mi (10.5 km) W of DeSoto.
T39Nf R3E* Sec. 11. Open and grassy
dolomitic flats along Mammoth Creek
ca. 0.3 mi (500 m) NE of its confluence
with Big River.
38°07,30"N 90°40’30!IW 560 ft(170 m)
30 July 1986
Peter H. Raven 27284
MISSOURI BOTANICAL GARDEN HERBARIUM (MO)
Pycnanthemum tenuifolium Schrader
H.L. Chambers OSC 2008 ^ 0V oSi
Flora North America
PLANTS OF THE OZARKSt U.S.A.
LAMIACEAE
Pycnanthemum pilosum Nutt.
03147869