| Author | Koernicke | |
| Distribution | Known only from a few sites in the Sandhills -- from Richmond and Cumberland counties. This species was discovered in the state after RAB (1968) was published, during rare plant surveys of Fort Bragg. A specimen from Lake Ellis Simon in Craven County (at NCSC) needs careful ID; it likely is E. aquaticum.
This is a Southern species, mainly in the Coastal Plains, ranging from southern NC south to western FL and eastern TX.
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| Abundance | Very rare in the Sandhills (Cumberland and Richmond counties). This is a State Endangered species. | |
| Habitat | This is a species of streamhead seepages, including in powerline clearings. It requires active seepage water and does not grow in standing water of pools or pond margins. | |
| Phenology | Flowers and fruits from April to June. | |
| Identification | This is a small species in overall stature, with quite short and narrow basal leaves to about 1.5 inches long and barely 1/8-inch wide. Like the similarly sized E. aquaticum, the scapes are quite tall, often reaching 6-8 inches tall, far exceeding the leaves. The head on each scape is somewhat small, about 5-10 mm (1/3-inch) across, and the heads tend to be bright white; heads of E. aquaticum are off-white to grayish-white in color. Habitat is also quite different, as the latter grows in shallow water of pools, ponds, and blackwater streams. | |
| Taxonomic Comments | None
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| Other Common Name(s) | Texas Hatpins | |
| State Rank | S1 | |
| Global Rank | G4 | |
| State Status | E | |
| US Status | | |
| USACE-agcp | OBL link |
| USACE-emp | OBL link |
