White Worms and Pixie Cups in Colorado

A few weeks ago local lichen expert Ann Henson and I scouted out lichens on the flanks of Gray?s Peak in central Colorado. Since my last post was on the awesome power of lichens, I thought I?d share a few photos of some of our amazing locals.

Our very first lichen was probably the most spectacular: Thamnolia vermicularis, the whiteworm lichen. I wrote about this lichen about a year ago here. It really does look like a pile of writhing worms wriggling toward the light.

It?s even more beautiful ? and magical ? in profile.

Here?s a Cladonia cariosa (I think) ? recall that another Cladonia species was one of the triad with prion-fighting powers ? with brown-tipped podetia (look for them in the center below), a kind of reproductive structure that elevates the spore-making surface above the layer of still air at the forest floor. It?s ril? pretty too.

Here?s another Cladonia species that makes pixie cups with podetia ? sexual reproductive structures bearing colored fertile surfaces ? on top of them, in a semi-fractal fashion. The cups are like the cups of cup fungi, where the sexual spores (meiospores) are produced inside the cup. But this lichen *also* seems to have a secondary fertile structure perched atop its cups, podetia with reddish-brown tips this time.

And here it is from the side.

Up on the tundra above the forest where the previous lichens were found was a vagrant ? sometimes called a tumble lichen, which I found so cutely appropriate for a western lichen. This one goes by the unwieldy name Xanthoparmelia wyomingica (according to Ann, it was named by a person with no knowledge of English, much less how Wyoming is pronounced). It is a relative of the infamous Xanthoparmelia chlorochroa, the lichen I wrote about when I won the AAAS award for the story of the strange elk deaths in Wyoming (see here for links ? look under ?Newspapers?). Needless to say, I was thrilled to see it.

As with so many lichens, the back is a completely different color than the front ? in this case, black (the green is where the front of the lichen curls toward the back).

Finally, here are some non-lichen related bonus shots. You all have permission to be jealous now, because here is a bona fide July Colorado morel growing near treeline on July 20.

Also before you get too excited, check out the size of our mighty treeline morels. . .

This one did not find a home in my larder, either. It has been dried is going to the Denver mycological herbarium, where it will with any luck be studied by visiting mushroom expert Michael Kuo for possible inclusion in his scholarly study of North American morels.

The plasmodial slime molds ? giant crawling amoebae ? are out in force this year, even here in Colorado. You can read more about them at my former blog here. I think this one has a lovely oatmeal color.

And just to make you even more jealous, here are some other shots I took of Colorado on July on this trip . . . here?s our state flower in full bloom, the Colorado blue columbine:

And here are my favorite alpine wildflowers: Old Man of the Mountain, aka, the alpine sunflower, next to the range descending from Gray?s and Torrey?s Peaks.

Hope you are having a fabulous summer ? it?s almost half over. Happy August!

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