| Author | (Baldwin) Yates | |
| Distribution | Pender County only, so far as is known. Discovered in NC in 1979 along Harrison Creek; later at Trumpeter Swamp in Holly Shelter Game Land; most recently at Rocky Point Marl Forest.
Southern GA to central FL; disjunct to southeastern SC and southeastern NC. | |
| Abundance | Rare and local -- known from just the three sites named above. This is a State Threatened species. | |
| Habitat | Wet swampy blackwater forests over limestone or coquina. Occurs with Dwarf Palmetto (Sabal minor). | |
| Phenology | Flowering and fruiting August-October. | |
| Identification | This rare species looks very different from the common Slender Spikegrass (C. laxum), due to having spikelets twice as large and the open inflorescence with ascending to rather spreading branches. | |
| Taxonomic Comments | Named as Uniola nitida in RAB (1968) and other older references.
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| Other Common Name(s) | Swamp Spanglegrass, Shiny Woodoats | |
| State Rank | S1 | |
| Global Rank | G3G4 | |
| State Status | T | |
| US Status | | |
| USACE-agcp | FACW link |
| USACE-emp | FACW link |
