selected publications
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article
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Seed coat morphology in Cordylanthus (Scrophylariaceae) and its taxonomic signifigance..
American Journal of Botany.
59:258-265.
1972
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Observations on root-parasitism in Cordylanthus (Scrophulariaceae)..
American Journal of Botany.
58:218-228.
1971
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Morphology, evolution, and taxonomic significance of the inflorescence in Cordylanthus (Scrophulariaceae)..
American Journal of Botany.
63:272-282.
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Seed coat morphology in Cordylanthus (Scrophylariaceae) and its taxonomic signifigance..
American Journal of Botany.
59:258-265.
1972
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book
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Systematic and evolution of Cordylanthus (Scrophulariaceae-Pedicularieae)..
Ann Arbor, MI: American Society of Plant Taxonomists.
1986
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Systematic and evolution of Cordylanthus (Scrophulariaceae-Pedicularieae)..
Ann Arbor, MI: American Society of Plant Taxonomists.
1986