Cyathophora picta
| Cyathophora picta Rafinesque, Fl. Tellur. 4: 117. 1838 ("1836"). | | TYPE: FLORIDA: |
Euphorbia cyathophora var. graminifolia
| Euphorbia cyathophora Murray, var. graminifolia Chapman, Fl. South. U.S. 402. 1860. | BASIONYM: Euphorbia graminifolia Michaux 1803, non Villars 1786. | |
Euphorbia graminifolia
| Euphorbia graminifolia Michaux, Fl. Bor.-Amer. 2: 210. 1803, non Villars 1786. | | TYPE: "Floridae et Georgiae", |
Euphorbia heterophylla forma cyathophora
| Euphorbia heterophylla Linnaeus, forma cyathophora (Murray) Voss, Vilm. Blumengaertn., ed. 3. 1: 898. 1895. | BASIONYM: Euphorbia cyathophora Murray 1786. | |
Euphorbia heterophylla forma graminifolia
| Euphorbia heterophylla Linnaeus, forma graminifolia (Chapman) Voss, Vilm. Blumengärtn., ed. 3. 1: 898. 1895. | BASIONYM: Euphorbia cyathophora Murray, var. graminifolia Chapman 1860; Euphorbia graminifolia Michaux 1803, non Villars 1786. | |
Euphorbia heterophylla var. cyathophora
| Euphorbia heterophylla Linnaeus, var. cyathophora (Murray) Grisebach, Fl. Brit. W.I. 54. 1859. | BASIONYM: Euphorbia cyathophora Murray 1786. | |
Euphorbia heterophylla var. graminifolia
| Euphorbia heterophylla Linnaeus, var. graminifolia (Chapman) Chapman, Fl. South. U.S., ed. 3. 424. 1897, non Engelmann 1858. | BASIONYM: Euphorbia cyathophora Murray, var. graminifolia Chapman 1860; Euphorbia graminifolia Michaux 1803, non Villars 1786. | |
Euphorbia heterophylla var. graminifolia
| Euphorbia heterophylla Linnaeus, var. graminifolia Engelmann, in Emory, Rep. U.S. Mex. Bound. 2(1): 190. 1858 ("1859"). | | TYPE: TEXAS: |
Poinsettia cyathophora
| Poinsettia cyathophora (Murray) Bartling, Index Sem. (Göttingen) 1839: 6. 1839. | Euphorbia cyathophora Murray 1786. | |
Poinsettia cyathophora var. graminifolia
| Poinsettia cyathophora (Murray) Bartling, var. graminifolia (Chapman) Mohlenbrock, Ill. Fl. Illinois, Basswoods-Spurges 197. 1982. | BASIONYM: Euphorbia cyathophora Murray, var. graminifolia Chapman 1860; Euphorbia graminifolia Michaux 1803, non Villars 1786. | |
Poinsettia graminifolia
| Poinsettia graminifolia (Chapman) Millspaugh, Publ. Field Columb. Mus., Bot. Ser. 2: 304. 1909. | BASIONYM: Euphorbia cyathophora Murray, var. graminifolia Chapman 1860; Euphorbia graminifolia Michaux 1803, non Villars 1786. | |
Poinsettia havanensis
| Poinsettia havanensis Small, Fl. S.E. U.S. 722, 1334. 1903. | | |
Tithymalus cyathophorus
| Tithymalus cyathophorus (Murray) Moench, Methodus 667. 1794. | BASIONYM: Euphorbia cyathophora Murray 1786. | |
Euphorbia barbellata
| Euphorbia barbellata Engelmann, in Emory, Rep. U.S. Mex. Bound. 2(1): 190. 1858 ("1859"). | | |
Euphorbia heterophylla forma minor
| Euphorbia heterophylla Linnaeus, forma minor (Boissier) Voss, Vilm. Blumengärtn., ed. 3. 1: 898. 1895. | BASIONYM: Euphorbia heterophylla Linnaeus, var. minor Boissier 1862. | |
Euphorbia heterophylla var. barbellata
| Euphorbia heterophylla Linnaeus, var. barbellata (Engelmann) Holzinger, Contr. U.S. Natl. Herb. 1: 216. 1892. | BASIONYM: Euphorbia barbellata Engelmann 1858. | |
Euphorbia heterophylla var. minor
| Euphorbia heterophylla Linnaeus, var. minor Boissier, in de Candolle, Prodr. 15(2): 73. 1862. | | TYPE: ECUADOR: |
Euphorbia pandurifolia
| Euphorbia pandurifolia Roth, Bot. Abh. Beobacht. 48. 1787. | | |
Poinsettia barbellata
| Poinsettia barbellata (Engelmann) Small, Fl. S.E. U.S. 722, 1334. 1903. | BASIONYM: Euphorbia barbellata Engelmann 1858. | |
Poinsettia edwardsii
| Poinsettia edwardsii Klotzsch & Garcke, in Klotzsch, Monatsber. Königl. Preuss. Akad. Wiss. Berlin 1859: 253. 1859. | | |