| Author | (Nuttall ex de Candolle) Mathias & Constance | |
| Distribution | Three collections are known, all from the outer Coastal Plain: Carteret County in 1897, Onslow County in 1951, and New Hanover County (fide RAB 1968).
Native of the central and southern U.S. plains; adventive eastwards. | |
| Abundance | Very rare. | |
| Habitat | Dry roadsides, no other data. | |
| Phenology | Flowering and fruiting April-August. | |
| Identification | Members of Spermolepis are wispy, branched plants that may grow a few inches to a foot or more tall; they tend to have ascending or virgate branches, often dichotomous. The leaves are divided into linear or filiform segments. This one has fruits with little rounded bumps (vs. pointy bumps in the native S. divaricata); also its umbel rays are shorter (1-12 mm long vs. 5-26 mm long in that species). | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | G5 | |
| State Status | | |
| US Status | | |
