JSTOR

Isotype of Trisetum filifolium Scribn. in Beal [family POACEAE] Trisetum filifolium Pringle, C. G., #1431 1887-10-03 Mexico

Isoneotype of Triteleia ixioides Greene ssp. anilina (Greene) L. W. Lenz [family ALLIACEAE] Triteleia ixioides anilina Lenz, Lee W., #24869 1971-07-27 United States

Isotype of Triteleia ixioides Greene ssp. unifolia L. W. Lenz [family ALLIACEAE] Triteleia ixioides unifolia Lenz, Lee W., #24859 1971-05-26 United States

Isotype of Trixis hyposericea S. Watson [family ASTERACEAE] Trixis hyposericea Pringle, C. G., #1741 1888-10-30 Mexico

Isotype of Urvillea biternata Weath. [family SAPINDACEAE] Urvillea biternata Pringle, C. G., #10380 1907-07-24 Mexico

Isotype of Verbesina chihuahuensis A. Gray [family ASTERACEAE] Verbesina chihuahuensis Pringle, C. G., #657 1885-09-10 Mexico

Isotype of Viguiera pringlei B. L. Rob. & Greenm. [family ASTERACEAE] Viguiera pringlei Pringle, C. G., #4365 1893-05-12 Mexico

Isotype of Viola charlestonensis M. S. Baker & J. C. Clausen [family VIOLACEAE] Viola charlestonensis Clokey, Ira W., #7501 1937-05-23 United States

Isotype of Viola charlestonensis M. S. Baker & J. C. Clausen [family VIOLACEAE] Viola charlestonensis Clokey, Ira W., #7501 1937-05-23 United States

Isotype of Viola charlestonensis M. S. Baker & J. C. Clausen [family VIOLACEAE] Viola charlestonensis Clokey, Ira W., #7501 1937-05-23 United States

Isotype of Vitis boulderensis Daniels [family VITACEAE] Vitis boulderensis Daniels, Francis, #119 1906-06-20 United States

Paratype of Wissadula tricarpellata B. L. Rob. & Greenm. [family MALVACEAE] Wissadula tricarpellata Pringle, C. G., #4610 1893-09-30 Mexico

Isotype of Withania melanocystis B. L. Rob. [family SOLANACEAE] Withania melanocystis Pringle, C. G., #3285 1890-06-01 Mexico

Isotype of Woodsia neomexicana Windham [family DRYOPTERIDACEAE] Woodsia neomexicana Windham, M. D., Rabe, E., #90-365 1990-08-23 United States

Isotype of Wyethia mexicana S. Watson [family ASTERACEAE] Wyethia mexicana Pringle, C. G., #1923 1888-06-22 Mexico

Isotype of Xanthium commune Britton var. wootonii Cockerell [family ASTERACEAE] Xanthium commune wootonii Cockerell, T. D. A., #s.n. None United States

Isotype of Xanthocephalum durangense M. A. Lane [family ASTERACEAE] Xanthocephalum durangense Lane, Meredith A., Longstreth, D. W., #2738 1979-08-24 Mexico

Isotype of Xanthocephalum gymnospermoides (A. Gray) Benth. & Hook. var. eradiatum M. A. Lane [family ASTERACEAE] Xanthocephalum gymnospermoides eradiatum Bye, Robert A., Weber, William A., #8107 1977-10-14 Mexico

Isotype of Xanthocephalum tomentellum B. L. Rob. [family ASTERACEAE] Xanthocephalum tomentellum Pringle, C. G., #3761 1891-07-11 Mexico

Isotype of Xanthocephalum tomentellum B. L. Rob. [family ASTERACEAE] Xanthocephalum tomentellum Pringle, C. G., #3761 1891-07-11 Mexico