| Lemna gibba L. | J. W. Toumey s.n. | United States of America. Arizona. Tucson. | | 3699933 |  |
| Lemna gibba L. | | | | 3699935 |  |
| Lemna gibba L. | D. S. Correll 38880 | United States of America. Texas. Hidalgo Co. Santa Ana Wildlife Refuge; in West Lake. | | 3699937 |  |
| Lemna gibba L. | D. S. Correll 38458 | United States of America. Texas. Brazoria Co. Brazoria Nat. Wildlife Refuge. | | 3699938 |  |
| Lemna gibba L. | | | | 3699940 |  |
| Lemna gibba L. | E. Lehto 11456C | United States of America. Arizona. Apache Co. Apache National Forest. Mt. Baldy-Sheep Crossing Campground. White Mountains. | | 3699941 |  |
| Lemna gibba L. | | | | 3699944 |  |
| Lemna gibba L. | | | | 3699945 |  |
| Lemna gibba L. | E. Lehto 4378 | United States of America. Arizona. Maricopa Co. Lake Pleasant Regional Park; upper lake just below dam. | | 3699946 |  |
| Lemna gibba L. | | | | 3699947 |  |
| Lemna gibba L. | D. S. Correll 38057 | United States of America. Texas. Donley Co. tank along Rte. 2695, about 6.5 mi south of McLean. | | 3699948 |  |
| Lemna gibba L. | | | | 3699949 |  |
| Lemna gibba L. | | | | 3699963 |  |
| Lemna minima Thuill. ex P.Beauv. | J. L. Gentry, Jr. 2213 | United States of America. Utah. Washington Co. Pine Valley Mountains. | | 3699977 |  |
| Lemna minor L. | | | | 03699989 |  |
| Lemna minor L. | | | | 3699990 |  |
| Lemna minor L. | | | | 3699991 |  |
| Lemna minor L. | J. B. Norton 532 | United States of America. Kansas. Riley Co. | | 3699992 |  |
| Lemna minor L. | E. Nelson 685 | United States of America. Wyoming. Laramie Co. Sybille Creek. | | 3699993 |  |
| Lemna minor L. | A. Nelson 6424 | United States of America. Wyoming. Yellowstone National Park. Snake River. | | 3699994 |  |
