| Ichnanthus axillaris (Nees) Hitchc. & Chase, 1917 |
| Ichnanthus bacularius Swallen, 1964 |
| Ichnanthus bradei K.E. Rogers, 1972 |
| Ichnanthus breviacuminatus K.E. Rogers, 1973 |
| Ichnanthus brevipaniculatus K.E. Rogers, 1972 |
| Ichnanthus brevivaginatus Swallen, 1953 |
| Ichnanthus calvescens (Nees ex Trin.) Döll, 1877 |
| Ichnanthus calvescens var. glabrescens Döll, 1877 |
| Ichnanthus calvescens var. scabrior Döll, 1877 |
| Ichnanthus colonarius K.E. Rogers, 1971 |
| Ichnanthus confertus K.E. Rogers, 1972 |
| Ichnanthus glaber Link ex Steud., 1854 |
| Ichnanthus glaziouii K.E. Rogers, 1972 |
| Ichnanthus gracilis Swallen, 1953 |
| Ichnanthus hitchcockii K.E. Rogers, 1972 |
| Ichnanthus ichnodes (Griseb.) Hitchc. & Chase, 1917 |
| Ichnanthus inconstans (Trin. ex Nees) Döll, 1877 |
| Ichnanthus lagotis (Trin.) Swallen, 1938 |
| Ichnanthus lanceolatus Scribn. & J.G. Sm., 1897 |
| Ichnanthus latifolius K.E. Rogers, 1971 |