| Taxon | Eleocharis flavescens var. flavescens |
| group | Monocots |
| Family | Cyperaceae |
| Family common name(s) | sedge; sedges; bulrush |
| Genus common name(s) | spike-rush; spike rush; spikerush; spiked-rush; spiked rush |
| Species common name(s) | yellowish spike-rush; yellowish spike rush; yellow spike-rush; yellow spike rush; yellow spikerush; yellow spikesedge; wrinkle-sheathed spike-rush; wrinkle-sheathed spike rush; wrinkle-sheathed spikerush |
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| Common name(s) specific to synonym; taxon noted in brackets | warm-springs spike-rush [Eleocharis thermalis]; warm springs spike rush [Eleocharis thermalis]; warm-springs spikerush [Eleocharis thermalis]; warm springs spikerush [Eleocharis thermalis] |
| Common name(s) generally applied to other taxa or multiple taxa | pale spike-rush, pale spike rush, pale spikerush are applied to multiple Eleocharis taxa; spike-sedge, spike sedge, spikesedge are applied to Eleocharis s.l.; wire grass, wire-grass, wiregrass are applied to taxa in multiple families |
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| Synonymy: The Jepson Manual (1993), FNA, PLANTS, etc | Eleocharis thermalis Rydb. |
