Oligolectic on Dipsacaceae (Ferton, 1895; Benoist, 1931; A. Müller, unpublished, based on 41 pollen samples from 24 different localities and on field observations).
Oligolectic on Dipsacaceae (Ferton, 1895; Benoist, 1931; A. Müller, unpublished, based on 41 pollen samples from 24 different localities and on field observations).
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