| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| LD-199 | TR.DR | S | USA:North-Dakota | ||
| LD-216 | LANGDON-216[000]; | TR.DR | S | USA:North-Dakota | |
| LD-217 | LANGDON-217[000]; DT-202[1323]; | TR.DR | S | USA:North-Dakota | |
| LD-222 | LANGDON-222[000]; | TR.DR | S | USA:North-Dakota | |
| LD-240 | LANGDON-240[000]; | TR.DR | S | USA:North-Dakota | |
| LD-241 | LANGDON-241[000]; | TR.DR | S | USA:North-Dakota | |
| LD-244 | LANGDON-244[000]; | TR.DR | S | USA:North-Dakota | |
| LD-246 | TR.AE | S | USA:North-Dakota | ||
| LD-248 | TR.DR | S | USA:North-Dakota | ||
| LD-270 | TR.DR | S | USA:North-Dakota | ||
| LD-271 | TR.DR | S | USA:North-Dakota | ||
| LD-272 | TR.DR | S | USA:North-Dakota | ||
| LD-276 | TR.DR | S | USA:North-Dakota | ||
| LD-28 | TR.AE | W | FRA | ||
| LD-306 | DT-205[1323]; LANGDON-306[000]; | TR.DR | S | USA:North-Dakota | |
| LD-308 | CI-12621 | RL-3097[1318]; LANGDON-308[000]; DT-206[1323]; | TR.DR | S | USA:North-Dakota |
| LD-309 | TR.DR | S | USA:North-Dakota | ||
| LD-314 | CI-12726 | LANGDON-314[000]; | TR.DR | S | USA:North-Dakota |
| LD-316 | TR.DR | S | USA:North-Dakota | ||
| LD-320 | TR.DR | S | USA:North-Dakota |