Climate change has induced pronounced shifts in the reproductive phenology of plants, yet we know little about which environmental factors contribute to interspecific variation in responses and their effects on fitness. We integrate data from a 43-year record of first flowering for six species in su

Harsh abiotic conditions such as low temperatures that lead to spring and summer frost events in high-elevation and high-latitude ecosystems can have strong negative consequences for plant growth, survival, and reproduction. Despite the predicted increase in episodic frost events under continued cli

In western North America, hummingbirds can be observed systematically visiting flowers that lack the typical reddish color, tubular morphology, and dilute nectar of "hummingbird flowers". Curious about this behavior, we asked whether these atypical flowers are energetically profitable for hummingbir

This file contains data on the frost damage of eight subalpine plant species from the Rocky Mountains of Colorado (USA). These frost damage data can be used to calculate frost sensitivity for each species. Frost damage of plant tissue was determined after specimen were exposed to experimental temper