These are species originally described at varietal rank but raised to full species.
Apiaceae
* Osmorhiza bipatriata Constance & Shan
Wen, J., P.P. Lowry II, and J.C. Zech. 2004. Osmorhiza bipatriata (Apiaceae) in Texas: taxonomic status and conservation considerations. Sida 21:501-506. Presents evidence for treatment at specific rank (vs. O. mexicana subsp. bipatriata (Constance & Shan) Lowry & A.G. Jones). Brewster Co., Jeff Davis Co.
Asteraceae
* Astranthium ciliatum (Raf.) Nesom
Nesom, G.L. 2005. Taxonomic review of Astranthium integrifolium (Asteraceae: Astereae). Sida 21:2015-2021. (vs. Astranthium integrifolium var. ciliatum (Raf.) Larsen). East Texas.
* Erigeron strigosus var. traversii (Shinners) Noyes
Noyes, R.D., H. Gerling, and C. Vandervoort. 2006. Sexual and apomictic prairie fleabane (Erigeron strigosus Muhl. ex Willd.) in Texas: Geographic analysis and a new combination (Erigeron strigosus var. traversii). Sida. 22(1):265–276. 2006. (vs. Erigeron traversii Shinners). Sexual plants of Erigeron strigosus are restricted to Pineywoods and Post Oak Savannah habitats in 17 counties of extreme eastern Texas and correspond to E. traversii, here formally treated within E. strigosus. For the most part, these plants have not been previously formally recognized in accounts of the Texas flora.
* Heterotheca arizonica (Semple) Nesom
Nesom, G.L. 2007. Taxonomic overview of the Heterotheca fulcrata complex (Asteraceae: Astereae). J. Bot. Res. Inst. Texas 1:21–30. (vs. Heterotheca fulcrata var. arizonica Semple). Brewster Co., El Paso Co., Hudspeth Co., Jeff Davis Co., Presidio Co., Reeves Co., west into New Mexico, Arizona, and Nevada.
* Symphyotrichum divaricatum (Nutt.) Nesom
Nesom, G.L. 2005. Taxonomy of the Symphyotrichum (Aster) subulatum group and Symphyotrichum (Aster) tenuifolium (Asteraceae: Astereae). Sida 21:2125–2140. (vs. Aster subulatus var. ligulatus Shinners). East Texas.
* Symphyotrichum expansum (Poepp. ex Spreng.) Nesom
Nesom, G.L. 2005. Taxonomy of the Symphyotrichum (Aster) subulatum group and Symphyotrichum (Aster) tenuifolium (Asteraceae: Astereae). Sida 21:2125–2140. (vs. Aster subulatus var. cubensis (DC.) Shinners). Brewster, Culberson, El Paso, Hartley, Hudspeth, Hutchinson, Jeff Davis, Mason, Pecos, Presidio, Real, Reeves, Val Verde cos.
Euphorbiaceae
* Croton thermophilus (M.C. Johnston) B.L. Turner
Turner, B.L. 2004. A new combination in Texas Croton (Euphorbiaceae). Phytologia 86:113-114. Brewster Co. (vs. Croton corymbosus var. thermophilus M.C. Johnston).
Polygonaceae
* Eriogonum graniticum B.L. Turner
Turner, B.L. 2007. Eriogonum graniticum (Polygonaceae), a new name and rank for E. tenellum var. ramosissimum. Phytologia 89:66–70. Each of the three varietal taxa of Eriogonum tenellum is treated as a good biological species. Eriogonum graniticum is isolated and confined to granitic soils in the Central Mineral Region of Texas. (nom. & stat. nov., vs. Eriogonum tenellum var. ramosissimum Benth. in DC. 1856; not E. ramosissimum Eastwood 1896]. Burnet Co., Gillespie Co., Llano Co., Mason Co.
