| Erythrostemon exostemma subsp. tampicoanus (Britton & Rose) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon gilliesii (Hook.) Klotzsch, 1844 |
| Erythrostemon guevarafeferi J.L. Contr., Sotuyo & G.P. Lewis, 2017 |
| Erythrostemon hintonii (Sandwith) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon hughesii (G.P. Lewis) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon laxus (Benth.) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon macvaughii (J.L. Contr. & G.P. Lewis) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon melanadenius (Rose) Gagnon & G.P. Lewis, 2016 |
| Erythrostemon mexicanus (A. Gray) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon nelsonii (Britton & Rose) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon oyamae (Sotuyo & G.P. Lewis) Gagnon & G.P. Lewis, 2016 |
| Erythrostemon palmeri (S. Watson) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon pannosus (Brandegee) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon phyllanthoides (Standl.) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon placidus (Brandegee) Gagnon & G.P. Lewis, 2016 |
| Erythrostemon robinsonianus (Britton & Rose) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon sousanus J.L. Contr., Sotuyo & G.P. Lewis, 2017 |
| Erythrostemon standleyi (Britton & Rose) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon yucatanensis (Greenm.) E. Gagnon & G.P. Lewis, 2016 |
| Erythrostemon yucatanensis subsp. chiapensis (G.P. Lewis) E. Gagnon & G.P. Lewis, 2016 |