From: Weryszko-Chmielewska, E., and Sadowska, D. (2010) The phenology of flowering and pollen release in four species of linden (Tilia L.). Journal of Apicultural Science 54: 99–108.
From: Weryszko-Chmielewska, E., and Sadowska, D. (2010) The phenology of flowering and pollen release in four species of linden (Tilia L.). Journal of Apicultural Science 54: 99–108.