| Name | Lophotocarpus spongiosus (Engelmann) J. G. Smith |
| Authorship | (Engelmann) J. G. Smith |
| Rank | Species |
| Placed in | Lophotocarpus |
| Citation | 1900 Rep. (Annual) Missouri Bot. Gard. 11: 148 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lophotocarpus spongiosus (Engelmann) J. G. Smith |
| Identification made in | [no date] (1), 1899 (1) |