Flowering stems of firecracker penstemon pop with color and add a burst of red flowers to landscapes in summer. Firecracker penstemon (Penstemon eatonii) is just one of about 270 species of penstemon, ...
A pale yellow and black Swallowtail butterfly pollinating in a garden full of purple Rocky Mountain Penstemon flowers. For the past four years, plant biologist Elsa Godtfredsen has trekked to a ...
PORTLAND, Ore.— The Center for Biological Diversity filed a formal notice today of its intent to sue the U.S. Fish and Wildlife Service to force it to respond to a petition to protect a plant called ...
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