World Botanical Associates Web Page
Prepared by Richard W. Spjut
Original sample collected and identified by Richard Spjut.
Recollection obtained by Patricia Gilliland under the guidance of Richard
Spjut. Both samples from
the White Mts. Nat. Forest in New Hampshire. Samples screened for antitumor activity by Dean John Cassady, formerly at Ohio State University.
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Large sample collected for isolation of active
antitumor agent, here spread out to dry and hand-cleaned to remove debris
and dirt from sample.
W., M. Suffness, G. M. Cragg, and D. H. Norris. 1986. Mosses, liverworts
and hornworts screened for antitumor agents. Economic Botany 40:
Spjut, R. W., D. G. I. Kingston and J. M. Cassady.
1992. Systematic Screening of Bryophytes for Antitumor Agents. Tropical
Bryology 6: 193-202.
Spjut, R. W.
Re-collections of Polytrichum ohioense and Polytrichum
pallidisetum for Antitumor Screening.
Memo dated 16 July
Cassady, J. M. ,
W. M. Baird & C-j. Chang. 1990. Natural products as a source of
potential chemotherapeutic and chemopreventive agents. J. Nat. Prod. 53:
D. K. Ho & J. M. Cassady. 1992. Ohioensins and pallidisetins:
novel cytotoxic agents from the moss Polytrichum pallidisetum.
J. Nat. Prod.