| Author | E.H.L. Krause | |
| Distribution | Widespread in the Mountains and Piedmont; rare in the Coastal Plain. First collected in 1932 by William C. Coker from the lawn of Captain Prichard's house, Chapel Hill, Orange County.
Native of Europe; in N.A. essentially throughout except the northern Plains and Rocky Mountain states. | |
| Abundance | Frequent in the Piedmont, uncommon in the Mountains, rare in the Coastal Plain. | |
| Habitat | Yard and lawn weed, campus weed, roadsides, edges of walking trails, urban and suburban business lawns, pastures. | |
| Phenology | Flowering and fruiting February-August. | |
| Identification | Blue Field-madder differs from all our other bedstraws (Galium) by having an involucre beneath the flowers (in this case, a cup-shaped bract that is deeply divided into 8 segments). The flowers are lavender to pink, with a much longer tube than in bedstraws. | |
| Taxonomic Comments | Long known as Sherardia arvensis.
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| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
