Reference:Holmgren1971b
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Verbatim text: Holmgren, N. H. 1971. A taxonomic revision of the Castilleja viscidula group. Mem. New York Bot. Gard. 21: 1–63.
Author: Holmgren, N.H.
Year: 1971
Title: A taxonomic revision of the Castilleja viscidula group
Journal: Mem. New York Bot. Gard
Volume: 21
Pages: 1–63