Draba crassifolia, D. albertina, D. nemorosa, and D. stenoloba in Canada and Alaska

descriptionPublicationkeyboard_double_arrow_right Article 15 Apr 1975 English Publisher:Canadian Science PublishingJournal:Canadian Journal of Botany, volume 53, pages 745-751 (issn: 0008-4026,

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Authors: Gerald A. Mulligan;

doi: 10.1139/b75-089

Draba crassifolia, D. albertina, D. nemorosa, and D. stenoloba in Canada and Alaska

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Abstract

The cytotaxonomy of four species of Draba that are invariably confused with one another is discussed and a key is given. The species are D. crassifolia Graham (n = 20); D. albertina Greene (n = 12); D. nemorosa L. (n = 8); and D. stenoloba Ledebour (n = 20). Characteristics of sterile artificial first-generation hybrids between D. crassifolia, D. albertina, and D. stenoloba are presented and analyzed.

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