Studied by 27 people
Ginkgo
Pacific Yew
Balsam Fir
White Fir
Grand Fir
Subalpine Fir
Tamarack or the Eastern Larch
Western Larch
Engelmann Spruce
White Spruce
Black Spruce
Blue Spruce
Red Spruce
Sitka Spruce
Whitebark Pine
Bristlecone Pine
Knobcone Pine
Jack Pine
Lodgepole Pine
Shortleaf Pine
Pinyon
Limber Pine
Sugar Pine
Singleleaf Pinyon
Western White Pine
Longleaf Pine
Ponderosa Pine
Red Pine
Pitch Pine
Eastern White Pine
Loblolly Pine
Virginia Pine
Douglas-fir
Eastern Hemlock
Western Hemlock
Mountain Hemlock
Oregon Cedar
Utah Juniper
Rocky Mountain Juniper
Eastern Redcedar
Northern White Cedar
Western Redcedar
Cabbage Palmetto
California Washingtonia
Narrowleaf Cottonwood
Balsam Poplar
Eastern Cottonwood
Fremont Cottonwood
Quaking Aspen
Black Cottonwood
Bebb Willow
Black Willow
Scouler Willow
Pignut Hickory
Pecan
Shagbark Hickory
Butternut
Black Walnut
Red Alder
Yellow Birch
Sweet Birch
Water Birch
Paper Birch
Gray Birch
American Hornbeam
Eastern Hornbeam
American Chestnut
Tanoak
Coast Live Oak
White Oak
Swamp White Oak
Canyon Live Oak
Blue Oak
Southern Red Oak
Oregon White Oak
Shingle Oak
California Black Oak
Bur Oak
Chinkapin Oak
Pin Oak
Chestnut Oak
Northern Red Oak
Black Oak
Live Oak
Hackberry
American Elm
Slippery Elm
Osage-orange
White Mullberry
...
Red Mullberry
...
Yellow Poplar
Southern Magnolia
Bigleaf Magnolia
Pawpaw
Sassafras
Witch-hazel
Sweet gum
Sycamore
California Sycamore
Note
Flashcard