Raymond L. Petersen

The occurrence of the anti-cancer diterpene taxol in Podocarpus gracilior Pilger (Podocarpaceae)

Roy W. Stahlhut, Gary Park, Raymond L. Petersen et al. · Biochemical Systematics and Ecology · 1999 · 43 citations

Biology, Podocarpus Gracilior Pilger, Medicinal Chemistry +8

Occurrence of the rotifer, Habrotrocha cf. rosa Donner, in the purple pitcher plant, Sarracenia purpurea L., (Sarraceniaceae) along the eastern seaboard of North America

Raymond L. Petersen, L. Hanley, Elizabeth J. Walsh et al. · Hydrobiologia · 1997 · 16 citations

Reciprocal Allelopathy between the Gametophytes of Osmunda cinnamomea and Dryopteris intermedia

Raymond L. Petersen, David E. Fairbrothers · American Fern Journal · 1980 · 16 citations · Full text

Effect of copper, cadmium, and zinc on percent spore germination of the cinnamon fern (Osmunda cinnamomea) and the sensitive fern (Onoclea sensibilis)

Patrick C. Francis, Raymond L. Petersen · Bulletin of Environmental Contamination and Toxicology · 1983 · 14 citations

Percent Spore Germination, Biology, Sensitive Fern +8

North American Osmunda Species: A Serologic and Disc Electrophoretic Analysis of Spore Proteins

Raymond L. Petersen, David E. Fairbrothers · The American Midland Naturalist · 1971 · 14 citations