Because of the simple geographical dynamics of the state of California, the state has a very rich moss flora with over 600 species (as documented by James Shevock, and at least, 65 genera comprised of some 257 species have been included in Volume 27, Flora of North America. Of these many genera of mosses that have been listed by eFloras.org four genera, Grimmia, Didymodon, Tortula, and Sphagnum comprise 30% fo the listed moss flora for the state, with one family of mosses, the Pottiaceae (into which Didymodon and Tortula are classified), has some 33% of the species found within the listed flora. While the northern part of the state is rich in the number of prominent mosses, the southern part of the state has a diversity of species occupying microniches and include weed species that can make their home in the most unexpected of places. One such species is Bryum argenteum.

• Posted by terrestrial_man 9 (eyuracleo@hotmail.com) on
  Wed, Mar 12, 08 at 19:13

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• Posted by terrestrial_man 9 (eyuracleo@hotmail.com) on
  Wed, Mar 12, 08 at 19:19

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• Posted by terrestrial_man 9 (eyuracleo@hotmail.com) on
  Wed, Mar 12, 08 at 19:21

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