SEM images of seed shape (A ×250) and detail of seed testa (B ×1000 and C ×2000) regarding: 1. Solenopsis bivonae subsp. bivonae from Sosio river, Sicily. 2. S. bivonae subsp. madoniarum from Madonie massif, Sicily. 3. S. bivonae subsp. madoniarum from Piazza Armerina, Sicily. 4. S. bivonae subsp. peloritana from Mela river, Sicily. 5. S. bivonae subsp. brutia from Lao river, S. Italy. 6. S. meikleana from Cedar Valley, Cyprus. 7. S. bacchettae from Seui, Sardinia. Images made by Giuseppe Siracusa.

 
 
  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