FOUR-TOOTHED WONDER MOSSTetraphis pellucida
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Image Description: Scanning electron microscopy (SEM) image of the sporangium, which has four teeth structures for dispersing spores.
Graphic by Shona Ellis
Tetraphis pellucida is one of two species ofmoss in the acrocarpous genus Tetraphis. Its name refers to its four large peristome teeth found on the sporophyte capsule. Tetraphis pellucida occurs almost exclusively on rotten stumps and logs, and is native to the northern hemisphere. The leafy shoot is between eight and 15 mm tall. The lower […] read more