Hypericum calcicola Standl. & Steyerm. Hypericum calcicola Standl. & Steyerm., Publ. Field Mus. Nat. Hist., Bot. Ser. 23: 64. 1944 sec. Robson 2011≡Thornea calcicola (Standl. & Steyerm.) Breedlove & E.M.McClint., Madroño 23: 370. 1976 syn. sec. Jacqueline V. Soriano-Beníte, J.V. 2025