| Lasiacis divaricata (L.) Hitchc., 1910 |
| Lasiacis divaricata var. divaricata (L.) Hitchc., 1910 |
| Lasiacis divaricata var. leptostachya (Hitchc.) Davidse, 1977 |
| Lasiacis glabra Swallen, 1955 |
| Lasiacis globosa Hitchc., 1913 |
| Lasiacis grisebachii (Nash) Hitchc., 1911 |
| Lasiacis grisebachii var. grisebachii (Nash) Hitchc., 1911 |
| Lasiacis guaraniticum (Speg.) Parodi, 1943 |
| Lasiacis harrisii Nash, 1913 |
| Lasiacis lancifolia Swallen, 1934 |
| Lasiacis leptostachya Hitchc., 1920 |
| Lasiacis liebmanniana (E. Fourn.) Hitchc., 1911 |
| Lasiacis linearis Swallen, 1953 |
| Lasiacis longiligula Swallen, 1943 |
| Lasiacis lucida Swallen, 1943 |
| Lasiacis maculata (Aubl.) Urb., 1921 |
| Lasiacis maxonii Swallen, 1943 |
| Lasiacis nigra Davidse, 1974 |
| Lasiacis oaxacensis (Steud.) Hitchc., 1911 |
| Lasiacis oaxacensis var. maxonii (Swallen) Davidse, 1978 |