SD - SD Herbarium, San Diego Natural History Museum (SD)
SD00039933
83FF4347-1399-42F9-B18B-59B08960DAB2
SD219735
Erigeron canadensis L.
Asteraceae
Larry Hendrickson
4281
2009-09-25
09/25/2009
Fredrick Campbell
United States, California, San Diego, Mesa Grande. San Dieguito River Park, Joint Powers Authority property. 2.9 air miles WNW of intersection of State hwy. 78-79 (Santa Ysabel), and 2.5 air miles SSW of access gate at Mesa Grande Road. Abt 4 mi W of Lake Sutherland dam.
33.1179 -116.7225 WGS84
n/a
852 meters (2795ft)
in tributary drainage of Santa Ysabel Creek, drying basin surrounded by boulders, moist silt, sand and pebbles.
grazed, and burned (Witch Fire, 2007). Mostly Polygonum puncatum with Chamaesyce maculata, Amarnthus californicus, Crypsis schoenoides, Cyperus squarrosus. Rosa californica and Baccharis salicifolia on bank above.