| Needle Spikerush | Eleocharis | acicularis | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White Spikerush | Eleocharis | albida | | 27 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Creeping Spikerush | Eleocharis | ambigens | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Flat-stem Spikerush | Eleocharis | compressa var. compressa | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Engelmann's Spikerush | Eleocharis | engelmannii | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Jointed Spikerush | Eleocharis | equisetoides | | 13 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bald Spikerush | Eleocharis | erythropoda | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Saltmarsh Spikerush | Eleocharis | halophila | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Matted Spikerush | Eleocharis | intermedia | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Black-fruit Spikerush | Eleocharis | melanocarpa | | 17 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Small-fruited Spikerush | Eleocharis | microcarpa var. filiculmis | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Blunt Spikerush | Eleocharis | obtusa | | 66 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bright Green Spikerush | Eleocharis | olivacea | | 16 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Common Spikerush | Eleocharis | palustris | | 15 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Dwarf Spikerush | Eleocharis | parvula | | 12 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Square-stemmed Spikerush | Eleocharis | quadrangulata | | 69 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Robbins's Spikerush | Eleocharis | robbinsii | | 12 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Beaked Spikerush | Eleocharis | rostellata | | 30 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| False-winged Slender Spikerush | Eleocharis | tenuis var. pseudoptera | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Spikerush (tenuis) | Eleocharis | tenuis var. tenuis | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Warty Slender Spikerush | Eleocharis | tenuis var. verrucosa | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Spikerush | Eleocharis | tenuis | | 31 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Twisted Spikerush | Eleocharis | tortilis | | 58 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Three-angle Spikerush | Eleocharis | tricostata | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Cone-cup Spikerush | Eleocharis | tuberculosa | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |