Image from the Biodiversity Heritage Library.
Contributed by New York Botanical Garden, LuEsther T. Mertz Library.
| www.biodiversitylibrary.org
Transcription
8148-April 27, 1969
Same place as 8147. Differing
from the associated B.
hirsuta in its smaller
size (notably smaller heads
with shorter rays), more
appressed, non-viscid
pubescence, less dissected
leaves, less well developed
cauline bracts and
more appressed,
shorter, smoothly not ciliate
marginal bracts, but much
of the population showing
some tendency toward the
characters of B. hirsuta, as
if introgression were occurring
in one direction only.
at this locality we do not