Species

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Total: 244

species valid

Rosa ruskiniana Cockerell Amer. J. Sci., Series 4, 26(156): 540. Dec 1908

species valid

Rosa wilmatteae Cockerell Bull. Amer. Mus. Nat. Hist., 24(Article 4): 94. 7 Feb 1908

species valid

Sabina linguifolia (Lesq.) Cockerell Univ. Colorado Stud., 3(3): 175. Jun 1906

species valid

Salix merriamii Cockerell Amer. J. Sci., Series 4, 26(156): 543. Dec 1908

species valid

Salix ramaleyi Cockerell Bull. Torrey Bot. Club, 33(5): 307. 13 Jun 1906

species valid

Salix siouxiana Knowlt., Cockerell in Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 571. 13 Feb 1920

species valid

Salix wyomingensis Knowlt., Cockerell in Knowlt. Bull. U.S. Geol. Surv., 1919, (696): 572. 13 Feb 1920

species valid

Sambucus amabilis Cockerell Torreya, 10(6): 126. 1 Jul 1910

species valid

Sambucus ellisiae Cockerell Torreya, 13(4): 75. 6 Apr 1913

species valid

Sambucus minor (Casp.) Cockerell Torreya, 10(6): 126. 1 Jul 1910

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