Category Archives: General Topics

Lichen Revolution

Back in 2009 I wrote a little article about lichen, those symbiotic organisms that have intrigued biologists for so long. At the time I wrote the piece, it was generally believed that lichen were usually a partnership of two species, … Continue reading

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Wildflowers Blooming at the Barton Warnock Center Garden.

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The Slender Evolvulus

The rainy season in the Chihuahuan Desert brings out flowering plants of all descriptions. The sheer numbers of Shrubby Senna, Trumpet Flowers, Skeletonleaf Goldeneyes, Broom weed, and other yellow flowers can be so overwhelming that it is easy to overlook … Continue reading

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The Yuccas

One of the most distinctive plant families of the desert are the yuccas. They grow throughout the American Southwest, Mexico, and South America. Yuccas were always considered valuable by native tribes who used them for food, fiber, and soap-making. People … Continue reading

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New Book Available

There are more than 50 campsites in the Big Bend Ranch State Park that you can reach by vehicle. I’ve just finished a book on these campsites, and you can download a copy here:

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The Javelina Clays

The Big Bend region contains many areas that are commonly called “badlands.” Badlands are areas where soft sedimentary rock has been exposed and heavily eroded by wind and water. The Lakota called the topography “Makhóšiča,” meaning literally bad land, while … Continue reading

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Colorado Canyon by Moonlight

This is one of my first attempts at night photography. The moon was just a bit past full, and the exposures ran from 20-30 seconds at f3.5, asa 1600. The noise reduction in the camera reduces the sensor noise considerably, … Continue reading

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