DAV - University of California, Davis Center for Plant Diversity - Vascular Plants (DAV:Vascular Plants)
DAV345585
b95238e9-e6b6-4308-a4f3-1a469a0d97c4
DAV179110
Helianthus bolanderi A. Gray
Asteraceae
Show Determination History
Hide Determination History
G. F. Hrusa
14020
1997-07-24
24 Jul 1997
United States, California, Napa, Napa County: middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown.
38.691667 -122.475
38° 41m 30s N; 122° 28m 30s W
200 meters (656ft)
roadsides and openings in chaparral, on serpentine substratum with little or no soil development. Fairly common in small colonies. This dwarf form may be referable H. exilis Gray, but intergrading +/- completely with plants up to 1 meter or more tall in less extreme sites. Annual. | Access Database Number (Deprecated): UCD132905