Eriophyllum ambiguum
S Sierra Nevada, Kern Co., CA
Apr 2005

Eriophyllum confertiflorum
San Bernardino Co., Morongo Valley, CA
Spjut 2144, Mar 1972

Eriophyllum confertiflorum
  San Diego Co., near Valley Center, CA
  June 2006.  Photo by Susan Spjut

Eriophyllum jepsonii
S Sierra Nevada, Kern Co.,
Piute Mt., CA, Apr 2005

Eriophyllum lanatum var. achillaeoides
Cascade Mts., Siskiyou Co, CA
10 June 2008

Eriophyllum lanatum var. lanceolatum
Marble Mts. Wilderness, CA
Marble Mt, July 1987

Eriophyllum lanatum var. lanceolatum
Siskiyou Co., Scott Valley, CA
10 June 2008, Spjut & Burchstead 16340

Eriophyllum lanatum
Trinity River Canyon, CA
Spjut, Edson & Miles 3403, May 1973
Erioflorin (KB, PS 127), eriolangin (PS 128) and eriolanin (KB PS 152) were isolated by Kupchan (Hartwell 1976).

Eriophyllum lanosum
Coyote Mt., Pima Co.,  AZ
Spjut 3319, Apr 1973

Eriophyllum staechadifolium
Bluffs above beach just north of Bodega Bay, Sonoma Co., CA, August 2006

Eriophyllum staechadifolium
Mattole Beach, Humboldt Co., CA
June 2002, Spjut 14872

Eriophyllum wallacei
Mojave Desert, NV, Spjut 15228,
CA, Morongo Valley, Spjut 3277
 

Eriophyllum wallacei
Mojave Desert, Inyo Co., hills north
of Bishop, CA.  Photo by Susan Spjut
May 2006

Cassady J. & M. Suffness, 1980.  Terpenoid Antitumor Agents.  In J. Cassady & J. Douros, ed., Anticancer Agents Based on Natural Product Models, p. 201–269, Academic Press, NY.

Kupchan S. M., J. W. Ashmore and A. T. Sneden. 1978. Structure-activity relationships among in vivo active germacranolides.  J. Pharm. Sci. 67(6): 865–867.