| Lemna gibba L. | K. Thorne 4768 | United States of America. Utah. Iron Co. Parowan Valley, abandoned homestead, flowing wells. | | 3699908 |  |
| Lemna gibba L. | | | | 3699909 |  |
| Lemna gibba L. | | | | 3699910 |  |
| Lemna gibba L. | | | | 3699911 |  |
| Lemna gibba L. | | | | 3699912 |  |
| Lemna gibba L. | | | | 3699913 |  |
| Lemna gibba L. | E. A. Bessey s.n. | United States of America. Colorado. El Paso Co. Pike's Peak. | | 3699915 |  |
| Lemna gibba L. | J. M. Ricketson 4424 | United States of America. Arizona. Coconino Co. Page Springs State Fish Cultural (Hatchery) Station. 3.1 miles south of the junction of U.S. Highway 89A, along U.S.F.S. Road 134 (Page Springs Road). In the town of Page Springs, just east of Oak Creek, below House Mountain. 8 airmiles southwest of Sedona, 33 airmiles south of Flagstaff. | | 3699916 |  |
| Lemna gibba L. | F. Tweedy 4980 | United States of America. Colorado. Boulder Co. Plains and Foothills near Boulder. | | 3699917 |  |
| Lemna gibba L. | A. Nelson 9659 | United States of America. Wyoming. Carbon Co. Saratoga. | | 3699918 |  |
| Lemna gibba L. | | | | 3699919 |  |
| Lemna gibba L. | J. W. Toumey s.n. | United States of America. Arizona. Tucson. | | 3699920 |  |
| Lemna gibba L. | | | | 3699922 |  |
| Lemna gibba L. | D. S. Correll 38880 | United States of America. Texas. Hidalgo Co. Santa Ana National Wildlife Refuge; in West Lake. | | 3699923 |  |
| Lemna gibba L. | | | | 3699926 |  |
| Lemna gibba L. | | | | 3699927 |  |
| Lemna gibba L. | | | | 3699928 |  |
| Lemna gibba L. | | | | 3699929 |  |
| Lemna gibba L. | | | | 3699930 |  |
| Lemna gibba L. | | | | 3699931 |  |
| Lemna gibba L. | | | | 3699932 |  |
| 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 |  |
