An American chestnut reaching for the canopy in a mixed forest. Photo: Choess, Wikimedia Commons (CC BY-SA 3.0) Castanea dentata, the American chestnut, is a
Leatherleaf in bloom along a Superior National Forest bog, its arching stems lined with small white flowers. Photo: U.S. Forest Service, Superior National Forest, via
A mature Engelmann spruce above the Pacific Crest Trail in the North Cascades, its narrow spire-like crown typical of high-elevation trees. Photo: Jsayre64, via Wikimedia
A mature northern catalpa in full June bloom, its broad crown topped with showy white flower clusters. Photo: Cbaile19, via Wikimedia Commons (CC0) Catalpa speciosa,
A mature black locust in full spring bloom, its crown dense with white flower clusters. Photo: Norbert Nagel, via Wikimedia Commons (CC BY-SA 3.0) Robinia
A gnarled Blackjack Oak growing from thin, rocky soil — its native element. Photo: Jay Sturner, Wikimedia Commons (CC BY 2.0) Quercus marilandica, the Blackjack
Mature slash pines with saw palmetto understory along a flatwoods trail. Photo: Krzysztof Ziarnek, Kenraiz, Wikimedia Commons (CC BY-SA 4.0) Pinus elliottii, commonly known as
A mature cabbage palm rising above saw palmetto and wiregrass at Matheson Hammock, Miami, Florida. Photo: Krzysztof Ziarnek, Kenraiz, via Wikimedia Commons (CC BY-SA 4.0)
A young water oak showing the dense, rounded crown typical of the species in open ground. Photo: Cossey25, Wikimedia Commons (CC BY-SA 4.0) Quercus nigra,
A gnarled Pitch Pine clinging to exposed ledge at Pinnacle Rock, Connecticut. Photo: Ragesoss / Wikimedia Commons (CC BY-SA 3.0) Pinus rigida, commonly known as
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