The Cheilanthes dichotoma Group of South America

PONCE, M. M.; MORBELLI, M. A.

AMERICAN FERN JOURNAL

AMER FERN SOC INC

Año: 1989 vol. 79 p. 127 - 135

0002-8444

During the course of the study of Pteridophyta for the Flora of the Province of San Juan, Argentina, directed by R. Kiesling, several taxonomic novelties have appeared, among them, a new species of Cheilanthes. In order to find the taxonomic position of this species, related species were examined. These species had not been grouped by Tryon and Tryon (1982, pp. 251-255) in their informal classification of species groups in Cheilanthes. Because their characters did not allow inclusion in any of these groups, a new group is proposed