| Poinsettia pulcherrima (Willd. ex Klotzsch) Graham | Euphorbia pulcherrima Willd. ex Klotzsch | | | Poinsettia pulcherrima(Willd. ex Klotzsch) Graham | Euphorbia pulcherrimaWilld. ex Klotzsch |
| Poinsettia radians (Benth.) Klotzsch & Garcke | Euphorbia radians Benth. var. radians | | | Poinsettia radians(Benth.) Klotzsch & Garcke | Euphorbia radiansBenth. var.radians |
| Poinsettia restiacea (Benth.) Dressler | Euphorbia restiacea Benth. | | | Poinsettia restiacea(Benth.) Dressler | Euphorbia restiaceaBenth. |
| Poinsettia strigosa (Hook. & Arn.) Arthur | Euphorbia strigosa Hook. & Arn. | | | Poinsettia strigosa(Hook. & Arn.) Arthur | Euphorbia strigosaHook. & Arn. |
| Poinsettia colorata (Engelm.) Dressler | Euphorbia colorata Engelm. | | | Poinsettia colorata(Engelm.) Dressler | Euphorbia colorataEngelm. |
| Poinsettia coccinea Dressler | Euphorbia hormorrhiza Radcl.-Sm. | | | Poinsettia coccineaDressler | Euphorbia hormorrhizaRadcl.-Sm. |
| Poinsettia cyathophora (Murray) Klotzsch & Garcke | Euphorbia cyathophora Murray | | | Poinsettia cyathophora(Murray) Klotzsch & Garcke | Euphorbia cyathophoraMurray |
| Poinsettia dentata (Michx.) Klotzsch & Garcke | Euphorbia dentata Michx. | | | Poinsettia dentata(Michx.) Klotzsch & Garcke | Euphorbia dentataMichx. |
| Poinsettia pentadactyla (Griseb.) Dressler | Euphorbia pentadactyla Griseb. | | | Poinsettia pentadactyla(Griseb.) Dressler | Euphorbia pentadactylaGriseb. |
| Poinsettia heterophylla (L.) Klotzsch & Garcke | Euphorbia heterophylla L. | | | Poinsettia heterophylla(L.) Klotzsch & Garcke | Euphorbia heterophyllaL. |
| Poinsettia inornata Dressler | Euphorbia elliptica Lam. | | | Poinsettia inornataDressler | Euphorbia ellipticaLam. |
| Poinsettia cornastra Dressler | Euphorbia cornastra (Dressler) Radcl.-Sm. | | | Poinsettia cornastraDressler | Euphorbia cornastra(Dressler) Radcl.-Sm. |
| Poinsettia cuphosperma (Engelm.) Small | Euphorbia cuphosperma (Engelm.) Boiss. | | | Poinsettia cuphosperma(Engelm.) Small | Euphorbia cuphosperma(Engelm.) Boiss. |
| Poinsettia pinetorum Small | Euphorbia pinetorum (Small) G. L. Webster | | | Poinsettia pinetorumSmall | Euphorbia pinetorum(Small) G. L. Webster |
| Poinsettia spp. | Euphorbia spp. | | | Poinsettia spp. | Euphorbia spp. |