| Author | L. | |
| Distribution | Scattered from Polk County to Currituck and Carteret counties.
Native of Eurasia, in N.A. throughout the U.S. and most of Canada. | |
| Abundance | Apparently rare, and recent collections are very few. This is the flax of commerce. | |
| Habitat | Roadsides, railroads, campus weed, trash heap, field, prairie restoration site (Wake Co.). | |
| Phenology | Flowering and fruiting April-September. | |
| Identification | Common Flax is our only blue-flowered flax, each up to 3/4-inch across. Plants may reach 2-3 feet tall, and the leaves diverge from the stem and are up to 1.5 inches long. | |
| Taxonomic Comments | Website editors have received much help in species boundaries and in identification from Rogers (1963, 1984). | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
