Oligolectic on Asteraceae, with a distinct or even exclusive preference for Carduoideae (A. Müller, unpublished, based on field observations, flower records on labels and 10 pollen samples from 9 different localities).
Oligolectic on Asteraceae, with a distinct or even exclusive preference for Carduoideae (A. Müller, unpublished, based on field observations, flower records on labels and 10 pollen samples from 9 different localities).
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