Thornea calcicola (Standl. & Steyerm.) Breedlove & E.M. McClint.
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Thornea calcicola (Standl. & Steyerm.) Breedlove & E.M. McClint. [ Hypericum calcicola Standl. & Steyerm.] [Guttiferae]
Madroño, vol. 23 : p. 372, fig. 2 (1975-1976)