Ambrosia psilostachya DC.

The New York

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RANCHO SANTA ANA BOTANIC GARDEN

Flora of Los Angeles County, California, USA
ASTERACEAE

Ambrosia psilostachya DC.

Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of
junction with Forest Service Road 6N08. Near 34° 30’ 54”N 118°
26’ 57” W. T5N R15W SW 1/4 NW 1/4 sec. 15. Elev. ca. 1840
ft.

Narrow riparian corridor in canyon bottom with disturbed areas
along road. Surrounding slopes steep and rocky, mostly
metasedimentary substrate.

Canyon bottom with Platanus racemosa, Populus fremontii, Salix
lasiolepis, Toxicodendron diversilobum, and Rubus ursinus.

Slopes with scrub of Adenostoma fasciculatum, Eriogonum
fasciculatum, Brickellia nevinii, and Cercocarpus betuloides.

Common perennial herb on dry benches.

Steve Boyd 8999
Lauren Raz

8 Oct 1996

01884207