Category Archives: General Topics

Gypsum, and the Plants that Live On It

The mineral gypsum appears all over the world, but is rarely seen on the surface anywhere except in deserts. Gypsum, is a form of Calcium Sulphate in which each CaSO4 molecule is chemically combined with two water molecules in a … Continue reading

Posted in General Topics, Plants | Tagged , , | 6 Comments

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

Posted in General Topics, Plants | 10 Comments

Wildflowers Blooming at the Barton Warnock Center Garden.

Posted in General Topics, Photography | Tagged | 4 Comments

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

Posted in General Topics, Plants | Tagged , , | 6 Comments

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

Posted in General Topics | Tagged , , | 12 Comments

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:https://www.dropbox.com/sh/j326o7qnt1cuhme/AACicMf-2zoXMN0sYb6Roarba?dl=0

Posted in Camping, General Topics, Texas | Tagged , | 9 Comments

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

Posted in General Topics, Photography | Tagged , , | 2 Comments