Flowering Plants Visited
by Hylaeus
verticalis
Hylaeus verticalis Cresson: Colletidae (Hylaeinae), Hymenoptera
(observations are from Reed and Krombein et al.)
Apiaceae: Heracleum maximum (Kr); Apocynaceae: Apocynum androsaemifolium [plup sn] (Kr); Lamiaceae: Pycnanthemum virginianum (Re)