Anisophyllum maculatum
| Anisophyllum maculatum (Linnaeus) Haworth, Syn. Pl. Succ. 162. 1812. | BASIONYM: Euphorbia maculata Linnaeus 1753. | |
Chamaesyce maculata
| Chamaesyce maculata (Linnaeus) Small, Fl. S.E. U.S. 713, 1333. 1903. | Euphorbia maculata Linnaeus 1753. | |
Chamaesyce mathewsii
| Chamaesyce mathewsii Small, Man. S.E. Fl. 797, 1505. 1933. | | TYPE: FLORIDA: Miami-Dade Co.: Sand dunes opposite Miami, 26 Nov-20 Dec 1913, Small & Small 4556 (holotype: NY; isotype: NY). |
Chamaesyce supina
| Chamaesyce supina (Rafinesque) Moldenke, Annot. Class. List Moldenke Coll. 135. 1939. | BASIONYM: Euphorbia supina Rafinesque 1817. | |
Chamaesyce tracyi
| Chamaesyce tracyi Small, Fl. S.E. U.S. 713, 1333. 1903. | | TYPE: MISSISSIPPI: Harrison Co.: Biloxi, 15 Jul 1894, Tracy 2913 (holotype: NY). |
Euphorbia hypericifolia var. maculata
| Euphorbia hypericifolia Linnaeus, var. maculata (Linnaeus) Rafinesque, Med. Fl. 1: 183. 1828. | BASIONYM: Euphorbia maculata Linnaeus 1753. | |
Euphorbia supina
| Euphorbia supina Rafinesque, Amer. Monthly Mag. & Crit. Rev. 2: 119. 1817. | | |
Euphorbia thymifolia
| Euphorbia thymifolia Michaux, Fl. Bor.-Amer. 2: 212. 1803, non Linnaeus 1753. | | TYPE: "ad ripas fluminum Mississipi et Ohio", without data, Michaux s.n. (holotype: P). |
Tithymalus maculatus
| Tithymalus maculatus (Linnaeus) Moench, Methodus 666. 1794. | BASIONYM: Euphorbia maculata Linnaeus 1753. | |
Xamesike maculata
| Xamesike maculata (Linnaeus) Rafinesque, Autik. Bot. 97. 1840. | BASIONYM: Euphorbia maculata Linnaeus 1753. | |
Xamesike supina
| Xamesike supina (Rafinesque) Rafinesque, Autik. Bot. 97. 1840. | BASIONYM: Euphorbia supina Rafinesque 1817. | |
Euphorbia depressa
| Euphorbia depressa Torrey, Cat. Pl. New York 45. 1819. | | TYPE: NEW YORK: Near New York, s.d., Torrey s.n. (holotype: NY). |
Euphorbia littoralis
| Euphorbia littoralis Rafinesque, Amer. Monthly Mag. & Crit. Rev. 2: 119. Dec. 1817, non Euphorbia litoralis Kunth Apr 1817. | | TYPE: NEW YORK: |
Euphorbia meganaesos
| Euphorbia meganaesos Featherman, Rep. (Annual) Board Supervisors Louisiana State Seminary Learning Military Acad. 1870: 71, 105. 1871. | | TYPE: LOUISIANA: Jefferson Par.: Grand Isle, s.d., Featherman s.n. (holotype: LSU?; isotype: GH). |
Xamesike depressa
| Xamesike depressa (Torrey) Rafinesque, Autik. Bot. 97. 1840. | BASIONYM: Euphorbia depressa Torrey 1819. | |
Xamesike littoralis
| Xamesike littoralis Rafinesque, Autik. Bot. 97. 1840. | BASIONYM: Euphorbia littoralis Rafinesque Dec 1817, non Euphorbia litoralis Kunth Apr 1817. | |