original description
Robinson, B.L. (1909). Diagnoses and transfers of tropical American phanerogams. <em>Proc. Amer. Acad. Arts.</em> 44: 613-626.
page(s): 620 [details]
original description
(of ) Watson, S. (1888). Some new species of Mexican plants, chiefly of Mr. C. G. Pringle's collection in the mountains of Chihuahua, in 1887. <em>Proc. Amer. Acad. Arts.</em> 23: 267-283.
page(s): 277 [details]
From editor or global species database