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USGS Bee Inventory and Monitoring Lab   cc-publicdomain

Quercus (Oak) is a genus of tree in the family Fagaceae. They are native to Western North America, The Contiguous United States, Eastern North America, North America, and Canada. Flowers are visited by Habropoda depressa, Buff-tailed bumblebee, Golden Hairstreak, and Masked Lapwing. Individuals can grow to 11 m.

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EOL has data for 19 attributes, including:

Known occurrences, collected specimens and observations of oak. View this species on GBIF