Fig. 5.

Bivariate plot of pinna width vs. rachis pubescence (1 = completely glabrous; 2 = exhibiting widely scattered hairs; 3 = generally hairy; 4 = densely hairy) for 67 of 73 Myriopteris gracilis specimens included in the full GBS analysis and an isotype specimen (T) for which only morphological data was assessed. Colors denote individuals assigned to the blue and green GBS clusters (see Figs. 3,4). The anomalous Iowa Co., WI sample is indicated with an arrow (see text).