| Author | L. | |
| Distribution | Mountains only. Collected twice: in 1958 in a railroad bed east of Canton, Haywood County; and in 2008 on a disturbed roadside in Alleghany County.
Native to Europe; in N.A. southern Canada south to NC, TN, MS, TX, CO, and CA. | |
| Abundance | Very rare. | |
| Habitat | Disturbed roadside, railroad cinder bed. | |
| Phenology | Flowering and fruiting June-November. | |
| Identification | Generally speaking, sowthistles resemble yellow-flowered wild lettuces (genus Lactuca), but the heads are much broader. Field Sowthistle resembles Common Sowthistle (S. oleraceus), but the heads are broader (3-5 cm across vs. 1.5-2.5 cm across) and the involucres are taller (15-20 mm tall vs. 9-13 mm tall). | |
| Taxonomic Comments | Our plants are var. glabrescens.
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| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | UPL link |
| USACE-emp | FACU link |
