Verbatim text: Johnson, R. L. et al. 2016. Molecular and morphological evidence for Penstemon luculentus (Plantaginaceae): A replacement name for Penstemon fremontii var. glabrescens. PhytoKeys 63: 47–62.
Author: Johnson, R.L.
Year: 2016
Title: Molecular and morphological evidence for Penstemon luculentus (Plantaginaceae): A replacement name for Penstemon fremontii var. glabrescens
Journal: PhytoKeys
Volume: 63
Pages: 47–62