| Author | L. | |
| Distribution | Mostly in the Mountains and the Piedmont; also northern Coastal Plain. First collected in NC in Asheville, Buncombe County, in 1933; then in Stokes County in 1958.
Native of Europe; in N.A. southern Canada south to GA, AR, CO, CA. | |
| Abundance | Uncommon to locally fairly common, except rare in the Coastal Plain. | |
| Habitat | Roadsides, fields, meadows, forest clearings, waste ground, cemeteries. | |
| Phenology | Flowering and fruiting March-May. | |
| Identification | Cypress Spurge is readily identified by its abundant skinny leaves (1-3 mm wide) and terminal, branched, rather flat-topped, yellow inflorescence. The inflorescence color comes mostly from the broad floral glands. | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | G5 | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
