Petalostemum occidentale (Gray), comb. nov. P. candidus, var. occidentalis Gray in sched. Pringle Pl. Mex. no. 1216, and ex Heller in Britton & Kearney, Trans. N. Y. Acad. Sci. xiv. 33 (Feb., 1895), basis of Kuhnistera occidentalis Heller in Britton & Kearney, l. c. (Feb., 1895). P. gracile, var. oligophyllum Torr. in Emory, Notes Mil. Rec. 139 (1848). Kuhnistera candida occidentalis (Gray) Rydb. Contr. U. S. Nat. Herb. iii. 154 (Sept., 1895). K. oligophylla (Torr.) Heller, Bull. Torr. Bot. Cl. xxiii. 122 (1896). Petalostemon oligophyllus (Torr.) Rydb. Mem. N. Y. Bot. Gard. i. 237 (1900)
Published in Rhodora, in 1937, in volume 39, issue 457, pages 28
Date published:1937