Data from: Morphometrics and phylogenomics reveal a new species of Heuchera (Saxifragaceae) in northeastern México

<p><span>Here I describe a new species narrowly endemic to high-altitude limestone outcrops of the Sierra Madre Oriental, Coahuila, Mexico, together with a phylogenomic and morphometric evaluation of the <em>Heuchera</em> species of northeastern Mexico. Originally thought to be a disjunct population of <em>Heuchera</em> <em>sanguinea</em>, the new species is phylogenetically and morphologically most similar to <em>Heuchera</em> <em>lakelae</em>; from which it is distinguished based on morphometric characters and other morphological attributes, phylogenetic placement, geographic range, phenology, and ecological preferences.</span></p>