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Reflectance spectra from the 6 plant species sampled for the study: (a) A. heugelii, (b) S. laciniatum, (c) L. rantonnetii, (d) T. majus, (e) H. heterophyllum, and (f) P. rodneyanum. Excepting from L. rantonnetti, selected species did not modulate the UV photoreceptor of the honeybee. As our imaging system had no sensitivity to this spectral interval, this species was excluded from subsequent analyses.
