Ambrosia artemisiifolia L.

01877952

John Thomas Howell	____

Ambrosia artemisiifolia L.

New York Botanical Garden
Pollen, spore or leaf sample removed

Name

Institution

Date Hcl^PölQ

det. Willard W. Payne	JUL

28288 CALIFORNIA ACADEMY OF SCIENCES
Plants op the Sierra Nevada, California

.Ambrosia psilostachya DC.
californica (Rydb.) Blake*

Fear Camptonville, ca. 2 500 ft.,
Yuba Co.

»

1962

01877952