Department of Biology
ESC 350
200 University Ave. W
Waterloo, Ontario, Canada N2L 3G1
Phone: (519) 888-4567 ext. 32569
Fax: (519) 746-0614
Heterotheca sessiliflora var. fastigiata (Greene) Semple is the typical variety of subsp. fastigiata. Its upper stem leaves are usually whitish due to the density of short strigose hairs. It occurs in the San Gabriel, San Bernardino and Santa Monica Mts. at low to moderately high elevations.
