A mature kauila tree in dry-to-mesic forest habitat, Hawaiian Islands. Photo: Forest & Kim Starr, Wikimedia Commons (CC BY 3.0) Alphitonia ponderosa, known in Hawaiian
A mature iodine bush at dusk on the Mesquite Flat dunes, Death Valley National Park. Photo: Krzysztof Ziarnek, Kenraiz, Wikimedia Commons (CC BY-SA 4.0) Allenrolfea
White snakeroot blooming in a Pennsylvania woodland park in September. Photo: Cbaile19, Wikimedia Commons (CC0) ⚠ Toxic plant: Every part of white snakeroot contains the
White mistflower in full bloom on a rocky central Texas hillside in fall. Photo: En el nido, Wikimedia Commons (CC BY 3.0) Ageratina havanensis, commonly
Thingrass growing in its typical open, sandy habitat at Point Reyes National Seashore, California. Photo: Robert Steers/NPS (CC0) Agrostis pallens, commonly known as Thingrass or
Western Maidenhair Fern forming a dense clump on a shaded, rocky slope. Photo: Doug McGrady, Wikimedia Commons (CC BY 2.0) Adiantum aleuticum, the Western Maidenhair
A Shin-dagger Agave rosette, showing its narrow, spine-tipped leaves and curling marginal fibers. Photo: Patrick Alexander, Wikimedia Commons (CC0) Agave schottii, commonly called Shin-dagger Agave
Climbing Fumitory draping a rocky outcrop with its delicate, fern-like foliage. Photo: Doug McGrady, Wikimedia Commons (CC BY 2.0) Adlumia fungosa, commonly called Climbing Fumitory
Roemer’s acacia in bloom, Slaughter Canyon, Carlsbad Caverns National Park, New Mexico. Photo: JerryFriedman, Wikimedia Commons (CC BY-SA 4.0) Senegalia roemeriana (long known as Acacia
Columbian monkshood in bloom near Saddlebag Lake, Sierra Nevada, California. Photo: Dcrjsr, Wikimedia Commons (CC BY 3.0) Aconitum columbianum, commonly known as Columbian Monkshood or
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