Plant taxonomy and biosystematics av Stace, Clive Anthony

A Taxonomic study of the Ranunculus hispidus Michaux complex in the Western Hemisphere av Duncan, Thomas

Plant taxonomy and biosystematics. av Stace, Clive Anthony

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Morphology and the infrageneric relationships of the genus jatropha (eophorbiaceae). av Dehgan, Bijan

Plant systematics av Jones, Samuel B.

Systematics and pollination of the "closed-flowered" species of Calathea (Marantaceae). av Kennedy, Helen

Vascular plant families an introduction to the families of vascular plants native to North America and selected families of ornamental or economic importance av Smith, James Payne Jr

Plant taxonomy av Heywood, V. H. (Vernon Hilton) 1927-

Taxonomic revisions in the family Haloragaceae. av Orchard, A.E

A proposed manual in Philippine pharmaceutical taxonomy [microform] av Nicolas, Bella Cruz