| 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 |
| Lasiacis oaxacensis var. oaxacensis (Steud.) Hitchc., 1911 |
| Lasiacis papillosa Swallen, 1934 |
| Lasiacis patentiflora Hitchc. & Chase, 1917 |
| Lasiacis procerrima (Hack.) Hitchc., 1911 |
| Lasiacis rhizophora (E. Fourn.) Hitchc., 1911 |
| Lasiacis rugelii (Griseb.) Hitchc., 1911 |
| Lasiacis rugelii var. pohlii Davidse, 1977 |
| Lasiacis rugelii var. rugelii (Griseb.) Hitchc., 1911 |
| Lasiacis ruscifolia (Kunth) Hitchc. & Chase, 1917 |
| Lasiacis ruscifolia (Kunth) Hitchc., 1911 |