California carpenter bee

shrub

Spring-summer visitation Apr-Jul; nectar and pollen for provisioning

perennial herb

Foraging for small arthropods in low vegetation during breeding season

shrub

Primary nectar and pollen source during bloom period

tree

Catkin pollen foraging in early spring

annual

Spring and early summer pollen and nectar resource

perennial herb

Solitary bee; important spring and summer forager

tree

Early season nectar March-May, important for emerging populations