More Botanical Notes

As described in a previous post, I've been exploring areas here in the nearby Sonoran Desert looking for bryophytes (liverworts & mosses), and pteridophytes (ferns and spike mosses).  These types of plants are usually associated with more temperate climates but can also thrive in shady, moist micro-climates here in the desert. Such micro-climates can be found in the shade of boulders on north facing slopes and on cliff faces in north facing canyons.  I've found several such spots during walks this winter.

North facing boulders in dry stream bed

Bryophytes were some of the first plants to emerge from ancient seas hundreds of millions of years ago and colonize dry land. Much like algae, bryophytes lack a vascular system for moving water and nutrients inside the plant. Ferns and spike mosses have vascular systems but also developed very early in the history of plants.

Here are some photos from recent walks.

Liverwort with reproductive structures

Moss with reproductive structures 

Parry''s Lip Fern

And finally, a spike moss.

Spike Moss (center)

The weather is starting to warm up and rattlesnakes also enjoy boulders and canyon cliffs so I'll soon be moving on to spring wildflowers as long as I can see what's laying underneath them.

 Adios