homotypic synonyms: Pinus nigra subsp. calabrica (Loudon) A.E.Murray; Pinus nigra subsp. caramanica (Loudon) Businský; Pinus nigra var. calabrica (Loudon) C.K.Schneid.; Pinus nigra var. corsicana (Loudon) Hyl.; Pinus nigra var. caramanica (Loudon) Rehder;