Zeitschriftenartikel
Breitkopf, H.; Schlüter, P. M.; Xu, S.; Schiestl, F. P.; Cozzolino, S.; Scopece, G.: Pollinator shifts between Ophrys sphegodes populations: might adaptation to different pollinators drive population divergence? Journal of Evolutionary Biology
26 (10), S. 2197 - 2208 (2013)