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- maximum, Lithophragma parviflorum, Lithophragma tenellum, Lithophragma trifoliatum (Nuttall) Torrey & A. Gray Fl. N. Amer. 1: 583. 1840, name conserved8 KB (417 words) - 23:41, 5 November 2020
- latifolium, Silphium asteriscus var. simpsonii, Silphium asteriscus var. trifoliatum Linnaeus Sp. Pl. 2: 920. 1753. Jennifer A. Clevinger Common names: Starry4 KB (269 words) - 19:27, 6 November 2020
- Löve Eupatorium purpureum var. maculatum (Linnaeus) Voss Eupatorium trifoliatum var. maculatum (Linnaeus) Farwell Treatment appears in FNA Volume 21.5 KB (348 words) - 19:28, 6 November 2020
- genusSilphium speciesSilphium asteriscus varietySilphium asteriscus var. trifoliatum (Linnaeus) J. A. Clevinger Novon 14: 276. 2004. Jennifer A. Clevinger3 KB (172 words) - 21:10, 5 November 2020
- LAYOUT:treatment:TUOYAL familySaxifragaceae genusLithophragma speciesLithophragma trifoliatum Eastwood Bull. Torrey Bot. Club 32: 200. 1905 (as trifoliata),. Roy L3 KB (310 words) - 23:41, 5 November 2020
- Windham Common names: Goldenrod fern Illustrated Basionym: Acrostichum trifoliatum Linnaeus Sp. Pl. 2: 1070. 1753 Synonyms: Trismeria trifoliata (Linnaeus)3 KB (280 words) - 21:23, 5 November 2020
- Eupatorium purpureum var. verticillatum (Pursh) Farwell Eupatorium trifoliatum Eupatorium trifoliatum var. amoenum Treatment appears in FNA Volume 21. Treatment4 KB (263 words) - 21:08, 5 November 2020
- House Eupatorium maculatum var. foliosum (Fernald) Wiegand Eupatorium trifoliatum var. foliosum (Fernald) Farwell Treatment appears in FNA Volume 21. Treatment3 KB (203 words) - 21:08, 5 November 2020
- Novon 14: 276. 2004. Jennifer A. Clevinger Endemic Basionym: Silphium trifoliatum var. latifolium A. Gray in A. Gray et al, Syn. Fl. N. Amer. 1(2): 2413 KB (195 words) - 21:10, 5 November 2020
- bruneri (A. Gray) B. L. Robinson Eupatorium rydbergii Linnaeus Eupatorium trifoliatum var. bruneri (A. Gray) Farwell Treatment appears in FNA Volume 21. Treatment4 KB (248 words) - 21:08, 5 November 2020
- 5(1): 213. 1810 Synonyms: Aspidium minimum (L. Underwood) Clute Aspidium trifoliatum var. minimum Clute Sagenia lobata C. Presl Tectaria lobata (C. Presl)3 KB (234 words) - 21:23, 5 November 2020
- habitats and elevations in western North America. Some authors treat L. trifoliatum as a variety of L. parviflorum. None. None. window.propertiesFromHigh4 KB (343 words) - 23:41, 5 November 2020
- hybridizes with Tectaria fimbriata to form T. × amesiana A. A. Eaton [Aspidium trifoliatum (Linnaeus) Swartz var. amesianum (A. A. Eaton) Clute], which may be distinguished3 KB (235 words) - 21:24, 5 November 2020