Mapping here is highly provisional. There has been confusion or combination of coccinea with pruinosa and several other species in Ky. (M) and Tenn. (Ch). In a broad sense, coccinea is widespread across northern regions of eastern North America, probably including diploids, triploids and tetraploids (FNA 9). However, this name has only been regularly applied in Ky. after 2000 (e.g. Clark & Bauer 2001; Thompson & Fitzgerald 2003; Weckman et al. 2003; Abbott et al. 2004; CW). C. coccinea and its segregates are reportedly rare in N.C. and Va. (W), but more widespread in W.Va. (HFG). In Ky., the coll. from HARL (GH) is verified here as typical coccinea, but some other colls. appear distinct. More western colls. here may be referable to C. putnamiana Sarg., (?= C. fulleriana Sarg.), which is a segregate reportedly centered in the lower Ohio Valley, including Ky. (D, F, Gl, M, Lance 2014); that taxon has relatively broad-based leaves and large fruit, and may be transitional to Series Rotundifoliae. Another segregate may be likely in the state: C. pennsylvanica Ashe, which is an apparent transition to series Molles, mostly in or near central Appalachian regions. C. pennsylvanica differs from putnaminana in having 10 stamens (versus 20), more lobing of calices and leaves; and generally more pubescence. Plants known as C. pedicillata Sarg., mostly in the Great Lakes region but also reported widely in W.Va. (HFG), are now considered indistinct from coccinea (W and citations); the name has been rarely used in Ky. (M).