= 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
Family: Juglandaceae
    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
    Juglans californica - California black walnut
    Juglans cinerea - butternut
    Juglans hindsii - Hind's black walnut
    Juglans major - Arizona walnut
    Juglans microcarpa - little walnut
    Juglans nigra - black walnut     Landowner Factsheet
    Juglans regia - English walnut