Lugar de publicación
Contr. Gray Herb. 85: 132 (1929)
Referencias
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Johnston (1929a)
Johnston, I.M. 1929. Papers on the Flora of Northern Chile. Contributions from the Gray Herbarium of Harvard University 85: 1-172
Polyachyrus virgatus
Polyachyrus poeppigii
(Kunze ex Less.) Less.
Contr. Gray Herb. 85: 132 (1929)
Johnston, I.M. 1929. Papers on the Flora of Northern Chile. Contributions from the Gray Herbarium of Harvard University 85: 1-172