| White Beaksedge | Rhynchospora | alba | | 59 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Brownish Beaksedge | Rhynchospora | capitellata | | 101 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bunched Beaksedge | Rhynchospora | cephalantha | | 11 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Loose-headed Beaksedge | Rhynchospora | chalarocephala | | 6 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Short-bristled Beaksedge | Rhynchospora | corniculata | | 86 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Brown Beaksedge | Rhynchospora | fusca | | 1 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Globe Beaksedge | Rhynchospora | globularis var. globularis | | 12 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Clustered Beaksedge | Rhynchospora | glomerata | | 15 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Beaksedge | Rhynchospora | gracilenta | | 25 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Nodding Beaksedge | Rhynchospora | inexpansa | | 3 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Narrowfruit Horned Beaksedge | Rhynchospora | inundata | | 10 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Tall Horned Beaksedge | Rhynchospora | macrostachya | | 68 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Mid-Atlantic Beakrush | Rhynchospora | mesoatlantica | | 6 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Small-headed Beaksedge | Rhynchospora | microcephala | | 9 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Short-beaked Beaksedge | Rhynchospora | nitens | | 2 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Feather-bristled Beaksedge | Rhynchospora | oligantha | | 2 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Pale Beaksedge | Rhynchospora | pallida | | 1 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Few-flowered Beaksedge | Rhynchospora | rariflora | | 4 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Round-headed Beaksedge | Rhynchospora | recognita | | 16 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Long-beaked Beaksedge | Rhynchospora | scirpoides | | 11 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Torrey's Beaksedge | Rhynchospora | torreyana | | 9 | Sedge Family | Cyperaceae | Poales | Magnoliopsida | Plantae |