Comments: Treated at the species level as Dudleya calcicola by Kartesz (1999); has also been treated as D. abramsii var. calcicola, as by Kartesz (1994).
Comments: Treated at the species level as Dudleya calcicola by Kartesz (1999); has also been treated as D. abramsii var. calcicola, as by Kartesz (1994).