Coleataenia longifolia subsp. combsii
| Coleataenia longifolia (Torrey) Soreng, subsp. combsii (Lamson-Scribner & C. R. Ball) Soreng, J. Bot. Res. Inst. Texas 4: 691. 2010. | BASIONYM: Panicum combsii Lamson-Scribner & C. R. Ball 1901. | |
Panicum anceps var. pubescens
| Panicum anceps Michaux, var. pubescens Vasey, Bull. Div. Agrostol., U.S.D.A. 8: 37. 1889. | | TYPE: ALABAMA: Mobile Co.: Mobile, s.d., Mohr s.n. (lectotype: US). Lectotypified by Hitchcock & Chase, Contr. U.S. Natl. Herb. 15: 105. 1910. |
Panicum combsii
| Panicum combsii Lamson-Scribner & C. R. Ball, Bull. Div. Agrostol., U.S.D.A. 24: 42, f. 16. 1901. | | TYPE: FLORIDA: Washington Co.: Chipley, 20 Aug 1898, Combs 583 (holotype: US; isotype: NY). |
Panicum longifolium
| Panicum longifolium Torrey, Fl. N. Middle United States 149. 1824. | | TYPE: NEW JERSEY: Without data, Oct 1817, Goldy s.n. (holotype: NY; isotype: US(fragm)). |
Panicum longifolium var. combsii
| Panicum longifolium Torrey, var. combsii (Lamson-Scribner & C. R. Ball) Fernald, Rhodora 36: 69. 1934. | BASIONYM: Panicum combsii Lamson-Scribner & C. R. Ball 1901. | |
Panicum longifolium var. pubescens
| Panicum longifolium Torrey, var. pubescens (Vasey) Fernald, Rhodora 36: 69. 1934. | BASIONYM: Panicum anceps Michaux, var. pubescens Vasey 1889. | |
Panicum rigidulum subsp. combsii
| Panicum rigidulum Bosc ex Nees von Esenbeck, subsp. combsii (Lamson-Scribner & C. R. Ball) Freckmann & Lelong, Sida 20: 172. 2002. | BASIONYM: Panicum combsii Lamson-Scribner & C. R. Ball 1901. | |
Panicum rigidulum subsp. pubescens
| Panicum rigidulum Bosc ex Nees von Esenbeck, subsp. pubescens (Vasey) Freckmann & Lelong, Sida 20: 173. 2002. | BASIONYM: Panicum anceps Michaux, var. pubescens Vasey 1889. | |
Panicum rigidulum var. combsii
| Panicum rigidulum Bosc ex Nees von Esenbeck, var. combsii (Lamson-Scribner & C. R. Ball) Lelong, Brittonia 36: 263. 1984. | BASIONYM: Panicum combsii Lamson-Scribner & C. R. Ball 1901. | |
Panicum rigidulum var. pubescens
| Panicum rigidulum Bosc ex Nees von Esenbeck, var. pubescens (Vasey) Lelong, Brittonia 36: 263. 1984. | BASIONYM: Panicum anceps Michaux, var. pubescens Vasey 1889. | |
Sorengia longifolia
| Sorengia longifolia (Torrey) Zuloaga & Morrone, in Zuloaga et al., Taxon 59: 1542. 2010. | BASIONYM: Panicum longifolium Torrey 1824. | |
Sorengia longifolia subsp. combsii
| Sorengia longifolia (Torrey) Zuloaga & Morrone, subsp. combsii (Lamson-Scribner & C. R. Ball) Zuloaga & Morrone, in Zuloaga et al., Taxon 59: 1542. 2010. | BASIONYM: Panicum combsii Lamson-Scribner & C. R. Ball 1901. | |