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California Moss eFlora
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Jan 1 2013 ·
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Jepson eFlora for CA Vascular Plants |
Our single species of Platydictya is easily recognized in the field simply by its extremely small size and its pleurocarpous growth form. Microscopic features useful in identification include a leaf fewer than ten cells long with those cells rather short elliptic. The leaf margin is completely entire, and there is no costa, not even a short double one. One might confuse this plant under the microscope with extremely small examples of Amblystegium serpens or A. juratzkanum, but these latter mosses have a short costa, and they have quadrate to rectangular cells in a well demarcated alar region.
see Keys to Hypnum, Amblystegium Etc.
Species included:
Platydictya jungermannioides (Bridel) H. Crum