Delphinium hesperium subsp. pallescens (Ewan) Harlan Lewis & Epling
Ranunculaceae
herbarium (n.d.)
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B. Castro
1434
2003-05-14
05/14/2003
United States, California, Colusa, Vicinity of Logan Ridge, Sulphur Gap and Lurline Creek. T16N R04W S USGS Quadrangle: Manor Slough 1:24,000
39.23 -122.327222 +-3219m. NAD83
T16N R04W S; 39§ 13m 48s N; 122§ 19m 38s W
158 meters
520ft.
On flat to gently sloping SE-facing ridgetop in open annual grassland downslope from blue oak woodland, in a complex of highly undulating grassy ridges on west edge of Sacramento Valley. In hard, dried clay soil with Avena barbata, Bromus mollis, Hordeum sp, Hypochoeris glabra, and Calochortus luteus.
California Department of Water Resources; Offstream Storage Investigation: Sites SE road route; Voucher No. 03-54.