= nonnative, planted and a wildland component, commonly "escapes" cultivation
= nonnative, planted, generally not considered a wildland component or invasive
= a North American native, may naturalize outside its native range
Genus: Carya
    Carya alba - mockernut hickory     Landowner Factsheet
    Carya aquatica - water hickory
    Carya cordiformis - bitternut hickory     Landowner Factsheet
    Carya glabra - pignut hickory     Landowner Factsheet
    Carya illinoinensis - pecan
    Carya laciniosa - shellbark hickory
    Carya ovalis - red hickory
    Carya ovata - shagbark hickory     Landowner Factsheet
    Carya pallida - sand hickory