Sonchus arvensis subsp. arvensis

The New York Botanical Garden
4
Sonchus arvensis L. subsp. arvensis
det. M. Nee, 2012
NEW YORK BOTANJCAL GARDEN
No. 1024.
PLANTS OF ALASKA.
FROM THE ROCKY MOUNTAIN HERBARIUM,
University of Wyoming, Laramie.
Sonchus arvensis L.
Opening at edge of woods.
Burroughs Bay, Sept. 20, 1915,
Collectors: Mr. and Mrs. Ernest P. Walker.
03069558
03069558