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		Effects of frost on wildflowers: an unexpected consequence of climate change--image 11 of 22 Results of a demographic study of Helianthella quinquenervis (aspen sunflower, Asteraceae) within plots at 2,900m at the Rocky Mountain Biological Laboratory. Note that seedlings are not common in...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 12 of 22 Excavated plants of Helianthella quinquenervis (aspen sunflower, Asteraceae). H. quinquenervis is a long-lived perennial (some individuals can live 50-75 years). Note that each plant has multiple...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 13 of 22 Delphinium barbeyi, or tall larkspur, flowering in a year with no frost damage. Photographed (by David Inouye) in front of Gothic Mountain, at the Rocky Mountain Biological Laboratory. Altitude about...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 14 of 22 A female broad-tailed hummingbird (Selasphorus platycercus) in Colorado visiting tall larkspur (Delphinium barbeyi). The hummingbirds migrate north from Mexico each spring. Larkspurs serve as an...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 15 of 22 Photo of an early-stage inflorescence of tall larkspur (Delphinium barbeyi) after a mid-June snowstorm at the Rocky Mountain Biological Laboratory. The buds were killed by the cold temperature. Like ...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 16 of 22 Buds of Delphinium barbeyi (tall larkspur, Ranunculaceae) killed by a late season frost. In those years, the larkspur suffers reproductive failure, affecting animal species that rely on them for...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 17 of 22 The glacier lily (Erythronium grandiflorum) is one of the earliest wildflowers to bloom after snowmelt in the Rocky Mountains. Its ovaries and seeds are sensitive to late-season frosts. But...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 18 of 22 A queen bumble bee (Bombus bifarius) foraging for nectar on a flower of Erythronium grandiflorum (glacier lily). This flower has frost-sensitive ovaries. Bumble bee queens and hummingbirds are...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 19 of 22 Example of a frost-killed ovary (on left) and a normally developing fruit (on right) of Erythonium grandiflorum, the glacier lily. The two plants were selected to show the difference, and weren't...	You must be logged in to access all resource information.	More Info

		Effects of frost on wildflowers: an unexpected consequence of climate change--image 20 of 22 A Mormon fritillary butterfly (Speyeria mormonia) visiting flowers of the fleabane daisy (Erigeron speciosus), an important and preferred nectar resource. Flower buds of E. speciosus are...	You must be logged in to access all resource information.	More Info

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