A mature Mueller Oak rooted in a crack between granite boulders along the Barker Dam Trail, Joshua Tree National Park. Photo: Robb Hannawacker/NPS, Wikimedia Commons
Hooker Willow forming a dense, wind-sculpted dune thicket on the Oregon coast. Photo: Gordon Leppig & Andrea J. Pickart, Wikimedia Commons (Public domain) Salix hookeriana,
Feltleaf Willow’s densely felted leaves and ripening catkins. Photo: RenJJ, Wikimedia Commons (CC BY-SA 4.0) Salix alaxensis, known as Feltleaf Willow (also called Alaska Willow),
Coastal Sage Scrub Oak’s glossy, spine-tipped leaves and emerging catkins. Photo: Krzysztof Ziarnek, Wikimedia Commons (CC BY-SA 4.0) Quercus dumosa, known as Coastal Sage Scrub
Mature Washoe pine on a ridge near Mount Rose, Nevada. Photo: Matt Berger / Wikimedia Commons (CC BY 4.0) Pinus washoensis, the Washoe Pine, is
Kenai birch foliage and developing fruiting catkins. Photo: Krzysztof Ziarnek, Kenraiz / Wikimedia Commons (CC BY-SA 4.0) Betula kenaica, commonly called Kenai Birch, is a
Leaf of Island mountain mahogany, showing the dense woolly hairs on the underside that distinguish it from its mainland relatives. Photo: John Rusk / Wikimedia
Heartleaf willow in flower along Boulder Creek, Montana. Photo: Matt Lavin / Wikimedia Commons (CC BY-SA 2.0) Salix eriocephala, commonly called Heartleaf Willow or Missouri
A mature scarlet hawthorn loaded with ripe fruit in late summer. Photo: 4028mdk09, Wikimedia Commons (CC BY-SA 3.0) Crataegus coccinea, commonly known as Scarlet Hawthorn
Kansas hawthorn in bloom, photographed in wild habitat in Ontario, Canada. Photo: Étienne Lacroix-Carignan, iNaturalist/Wikimedia Commons (CC0) Crataegus coccinioides, commonly called Kansas Hawthorn or large-flowered
View More