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Audience is Undergraduate lower division 13-14
Results 151 - 155 of 385
View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 07 of 22

A meadow with thousands of plants of Helianthella quinquenervis (aspen sunflower, Asteraceae) at peak bloom. This species is a common long-lived perennial plant in meadows near the Rocky Mountain...

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View Resource 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 ...

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http://www.amjbot.org/content/96/10/1821.full.pdf+html
View Resource 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...

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View Resource 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...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 08 of 22

Photo of a meadow with thousands of Helianthella quinquenervis (aspen sunflower, Asteraceae) plants. In the year that this photo was taken, a springtime frost killed all but a few flower buds....

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