Bursera microphylla
Gulf Coast, near Loreto, BCS
Spjut & Edson 5348, Mar 1979

Bursera microphylla
Yuma Co., AZ
Barr-65-422, 16 Oct 1965

Bursera confusa

Bursera fagaroides— deoxypodophyllotoxin (LE, PS 154) , 5'desmethoxy-β-peltatin A methyl ether (KB, PS 189, WA) and β-peltatin A methyl ether (PS 172, WA) were isolated by Cole (Hartwell 1976).

Bursera microphylla—burseran (WA, KB), deoxypodophyllotoxin (LE, PS 154), and β-sitosterol (CA, LL, WA) were isolated by Cole from this species (Hartwell 1976).

Bursera multijuga

Bursera schlechtendalii—∂-amyrin (WA) was isolated from this species (Hartwell 1976).

Bursera spp. BCN, SON

Wickramaratne D. B., W. Mar, H. Chai, J. J. Castillo, N. R. Farnsworth, D. D. Soejarto, G. A. Cordell, J. M. Pezzuto and A. D. Kinghorn.  1995. Cytotoxic constituents of Bursera permollis.  Planta Med. 61(1): 80-81. “Four cytotoxic lignans were isolated from the stem bark of Bursera permollis (Burseraceae), namely, deoxypodophyllotoxin (1), beta-peltatin methyl ether (2), picro-beta-peltatin methyl ether (3), and dehydro-beta-peltatin methyl ether (4). Also isolated was the inactive lignan, nemerosin (5). Compounds 1 and 2 were potently cytotoxic when evaluated against a panel of human cancer cell lines.”