Hitchcock, A. S. 1913. Mexican Grasses in the United States National Herbarium. 17 (3): 326.
Type Status:
Isosyntype
Place:
La Hoya [La Joya], Mexico, North America
Notes:
Specimen mounted with 3 elements: "a", Liebmann 613 (syntype, USNH 726971); "b", Virlet d'Aoust 1382 (syntype, USNH 100343, fragmentary material ex herb. Fournier, Paris); also mounted on sheet is fragmentary material (ex herb. Fournier? Paris) of Fournier 246, possibly original material but not cited in protologue and not a type.