Can phenotypic selection on floral traits explain the presence of enigmatic intermediate individuals in sympatric populations of Platanthera bifolia and P. chlorantha (Orchidaceae)?
Reference: Ambroise, V., Esposito, F., Scopece, G., & Tyteca, D. (2020). Can phenotypic selection on floral traits explain the presence of enigmatic intermediate individuals in sympatric populations of Platanthera bifolia and P. chlorantha (Orchidaceae)? Plant Species Biology, 35(1), 59–71.