Dipsacus sylvestris Huds.

PLANTS OF OREGON
DIBSACUS SYLVESTRIS Huds.
Plants 1 1/2Ö2 m. in height.
Moist area near an irrigation
ditch. Assoc, species: Rosa
rubiginosa. Physocarpus capitatus
and Heracleum lanatum.
BENTON COUNTY; west of Corvallis]
out Harrison on Oak Creek Road, j
VI/27A960
Coll.: La Rea J. Dennis (22U2))
with J. Morris Johnson
Exchange from the Herbarium of
Oregon State College
04232558