Agaloma apocynifolia
| Agaloma apocynifolia (Small) Nieuwland, Amer. Midl. Naturalist 2: 300. 1912. | BASIONYM: Euphorbia apocynifolia Small 1898. | |
Agaloma pubentissima
| Agaloma pubentissima (Michaux) D. B. Ward, Novon 11: 362. 2001. | BASIONYM: Euphorbia pubentissima Michaux 1803. | |
Agaloma zinniiflora
| Agaloma zinniiflora (Small) Nieuwland, Amer. Midl. Naturalist 2: 300. 1912. | BASIONYM: Euphorbia zinniiflora Small 1898. | |
Euphorbia apocynifolia
| Euphorbia apocynifolia Small, Bull. Torrey Bot. Club 25: 467. 1898. | | TYPE: FLOIRDA: Gadsden Co.: Quincy, 4 Sep 1895, Nash 2567 (holotype: NY; isotype: F, GH, NY, OS, US). |
Euphorbia corollata var. apocynifolia
| Euphorbia corollata Linnaeus, var. apocynifolia (Small) Millspaugh, Bot. Gaz. 26: 268. 1898. | BASIONYM: Euphorbia apocynifolia Small 1898. | |
Euphorbia corollata var. zinniiflora
| Euphorbia corollata Linnaeus, var. zinniiflora (Small) Ahles, J. Elisha Mitchell Sci. Soc. 80: 173. 1964. | BASIONYM: Euphorbia zinniiflora Small 1898. | |
Euphorbia zinniiflora
| Euphorbia zinniiflora Small, Bull. Torrey Bot. Club 25: 615. 1898. | | TYPE: GEORGIA: Gwinnett Co.: Yellow River near McGuire's Mill, 7 May 1895, Small s.n. (holotype: NY). |
Tithymalopsis apocynifolia
| Tithymalopsis apocynifolia (Small) Small, Fl. S.E. U.S. 717, 1334. 1903. | BASIONYM: Euphorbia apocynifolia Small 1898. | |
Tithymalopsis zinniiflora
| Tithymalopsis zinniiflora (Small) Small, Fl. S.E. U.S. 717, 1334. 1903. | BASIONYM: Euphorbia zinniiflora Small 1898. | |
Tithymalus floridanus
| Tithymalus floridanus Rafinesque, Autik. Bot. 91. 1840. | | TYPE: FLORIDA: |
Agaloma paniculata
| Agaloma paniculata (Boissier) Nieuwland, Amer. Midl. Naturalist 2: 300. 1912. | BASIONYM: Euphorbia corollata Linnaeus, var. paniculata Boissier 1862; Euphorbia paniculata Elliott 1824, non Desfontaines 1798. | |
Euphorbia corollata var. glauca
| Euphorbia corollata Linnaeus, var. glauca Millspaugh, Bot. Gaz. 26: 267. 1898. | | TYPE: ALABAMA: Without data, 1880, Vasey s.n. (holotype: F). |
Euphorbia corollata var. mollis
| Euphorbia corollata Linnaeus, var. mollis Millspaugh, Bot. Gaz. 26: 267. 1898. | | TYPE: ALABAMA: Lee Co.: Auburn, 1897, Earle & Baker 13 (holotype: F). |
Euphorbia corollata var. paniculata
| Euphorbia corollata Linnaeus, var. paniculata Boissier, in de Candolle, Prodr. 15(2): 67. 1862. | BASIONYM: Euphorbia paniculata Elliott 1824. | |
Euphorbia corollata var. subpetiolata
| Euphorbia corollata Linnaeus, var. subpetiolata Boissier, in de Candolle, Prodr. 15(2): 67. 1862. | | TYPE: SOUTH CAROLINA: Without data, Rugel s.n. (lectotype: G). Lectotypified by K. Park, Edinburgh J. Bot. 55: 196. 1998. |
Euphorbia paniculata
| Euphorbia paniculata Elliott, Sketch Bot. S. Carolina 2: 660. 1824, non Desfontaines 1798. | | TYPE: SOUTH CAROLINA: Richland Co.: Near Columbia, s.d., Herbemont s.n. (holotype: CHARL). |
Euphorbia pubentissima var. glabrata
| Euphorbia pubentissima Michaux, var. glabrata Boissier, in de Candolle, Prodr. 15(2): 67. 1862. | | TYPE: SOUTH CAROLINA: "Gosborough", s.d., Rugel s.n. (holotype: G). |
Tithymalopsis paniculata
| Tithymalopsis paniculata (Boissier) Small, Fl. S.E. U.S. 718, 1334. 1903. | BASIONYM: Euphorbia corollata Linnaeus, var. paniculata Boissier 1862; Euphorbia paniculata Elliott 1824, non Desfontaines 1798. | |