Oligolectic on various species of Campanula (Campanulaceae)(Pesenko in Banaszak, 1995, Amiet et al., 2004; Ducke, 1900; A. Müller, unpublished, based on 5 pollen samples from 4 different localities and field observations).
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Oligolectic on various species of Campanula (Campanulaceae)(Pesenko in Banaszak, 1995, Amiet et al., 2004; Ducke, 1900; A. Müller, unpublished, based on 5 pollen samples from 4 different localities and field observations).
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