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1 December 1989 Supplementary notes on Mexican Echinocereus (2)
N. P. Taylor
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This is the second part of a series of notes and new taxa supplementary to the author's The Genus Echinocereus (1985), continued from Bradleya 6: 65–84 (1988), and dealing with Mexican species in sections Reichenbachii, Wilcoxia and Pulchellus. E.pentalophus is transferred from sect. Echinocereus and allied with E. subinermis. The description of E. bristolii is amplified and var. pseudopectinatus elevated to specific rank. The circumscription of E. pulchellus varieties is revised and var. sharpii N.P. Taylor (var. nov.) from Nuevo Leon is described.

N. P. Taylor "Supplementary notes on Mexican Echinocereus (2)," Bradleya 1989(7), 73-77, (1 December 1989).
Published: 1 December 1989
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