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I looked around to see what was in bloom and found a native wildflower with the strange name of ballhead waterleaf, Hydrophyllum capitatum.

Pinedrops parasitizes the mycorrhizal fungus directly, stealing water, minerals, carbohydrates and nutrients, but supplying nothing in return. In effect, it parasitizes a mutualism after germinating in the grasp of a fungus.

As beautiful as they are, Rocky Mountain bee plants are known to be malodorous, inspiring other common names, including skunk weed and stink weed.

The rubyspot's mating system is classified as territorial defense polygyny, in which males defend a site to attract mates.

A wildfire causes blight on the land, but it is surprising how quickly plants and animals that depend on them colonize the burned area.

Multiple species of turkeys have been in America for millions of years and it is apparent that, when humans and turkeys met, we have had substantial impacts on their population sizes.

I found the mourning cloak when I was trying to photograph the beavers living at the confluence of the Green and Yampa Rivers.

A defenseless insect can gain protection from predators if it evolves to resemble a well-defended species.

When I arrived at the campground at Deep Lake, I was stunned and disappointed. Instead of meadows bright with flowers, I saw one healthy aster and a paltry, diffuse population of spent flowers.

These are large plants with towers, or racemes, of deep blue to purple flowers that reach heights of 6 feet. They are most spectacular when they grow intermixed with cow parsnip and loveroot.