Open corolla (1) and detail of corolla papillae (2) of Solenopsis bivonae subsp. bivonae (A), S. bivonae subsp. peloritana (B), S. bivonae subsp. brutia (C), S. bivonae subsp. madoniarum (D), S. meikleana (E) and S. bacchettae (F). Drawn by Salvatore Brullo.

 
 
  Part of: Brullo S, Brullo C, Cambria S, Tomaselli V, Crisafulli A, Siracusa G, Minissale P, del Galdo GG (2023) Taxonomic and ecological remarks on Solenopsis bivonae species complex (Campanulaceae). PhytoKeys 229: 77-111. https://doi.org/10.3897/phytokeys.229.104324