
Biography
| Stable identifier | Scientific Name | Media |
| https://herbarium.bgbm.org/object/B100558954 | Desmodium canescens (L.) DC. |
|
| https://herbarium.bgbm.org/object/B100595780 | Sassafras albidum (Nutt.) Nees |
|
| http://herbarium.bgbm.org/object/B200116383 | Marsilea vestita Hook. & Grev. |
|
| http://herbarium.bgbm.org/object/B200116387 | Marsilea vestita sp. vestita Hook. & Grev. |
|
| http://herbarium.bgbm.org/object/B200116388 | Marsilea vestita Hook. & Grev. |
|
| https://herbarium.bgbm.org/object/B1005589461 | Sassafras albidum (Nutt.) Nees |
|
| Stable identifier | Scientific Name | Media |
| https://w.jacq.org/W18890246247 | Bouteloua hirsuta var. hirsuta Lag. |
|
| https://w.jacq.org/W18890313107 | Hydrangea quercifolia W. Bartram |
|
| https://w.jacq.org/W18890250808 | Elymus trachycaulus (Link) Gould ex Shinners |
|
| https://w.jacq.org/W0026336 | Bouteloua hirsuta var. hirsuta Lag. |
|
| https://w.jacq.org/W18890097953 | Smallanthus uvedalia (L.) Mack. |
|
| https://w.jacq.org/W0075431A | Abdra brachycarpa (Nutt. ex Torr. & A. Gray) Greene |
|
| https://w.jacq.org/W18890243096 | Eragrostis spectabilis (Pursh) Steud. |
|
| https://w.jacq.org/W18890250807 | Elymus trachycaulus (Link) Gould ex Shinners |
|
| https://w.jacq.org/W18890304269A | Abdra brachycarpa (Nutt. ex Torr. & A. Gray) Greene |
|
| https://w.jacq.org/W0300262 | Salix discolor Muhl. x Salix humilis Marshall |
|
Claimed natural history specimens collected or identified by Karl Andreas Geyer
| Scientific Name | Country | Institution | Date |
| Ranunculus aquatilis var. trichophyllus | United States | ANSP | 1839-07-22 |
| Amorpha canescens | United States | ANSP | |
| Cardamine laciniata | United States | ANSP | 1839-04-04 |
| Astragalus racemosus | United States | ANSP | |
| Penstemon albidus | United States | ANSP | |
| Sanguinaria canadensis | United States | ANSP | |
| Polygala alba | United States | ANSP | |
| Isopyrum biternatum | United States | ANSP | |
| Polanisia graveolens | United States | ANSP | |
| Petalostemon violaceum | United States | ANSP |