This winter-annual is widespread in eastern states, except on the southeastern Coastal Plain. Distinction from the more southern taintueri is sometimes difficult, and has been based on varied characters (F, Cr, Y, J, W). Hybrids have not been clearly documented, but might be expected; 2n = 22 in both. The fruits of procumbens are usually (except in var. shortii) glabrous or nearly so (versus usually pubescent), broadest near the middle (versus below), more narrowly ribbed, and on stalks that are less thickened at the summit. Lower leaf surfaces and stems below the middle are usually much less pubescent. C. procumbens is a relatively edible wild plant, more pleasant to chew than the hairy taintueri, but there is virtually no published information on nutritional or medicinal uses. However, in Eurasia there are several species of Chaerophyllum that have been harvested from the wild or even cultivated for food, and their beneficial chemistry has been researched (e.g. Koca et a. 2018).