Status: Native
Synonyms:
Hypnum populeum Hedwig
Brachythecium populeum (Hedwig) Schimper
Sciuro-hypnum populeum, according to FNA vol. 28 page 458, is recognized by "its combination of percurrent costa with opaque basal cells, unique among North American Brachytheciaceae." The margins are serrulate, and the apex is acuminate. The basal cells are short in an area 5 rows deep.
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Sciuro-hypnum populeum (1x macro dry), photo Russ Kleinman, Laura Baumann, Kelly Allred & Karen Blisard, El Malpais National Monument, East McCarty's Flow, April 18, 2018
Sciuro-hypnum populeum, photomicrograph of leaf, photo Russ Kleinman, Laura Baumann, Kelly Allred & Karen Blisard, El Malpais National Monument, East McCarty's Flow, April 18, 2018
Sciuro-hypnum populeum, photomicrograph of leaf with costa at least 80% of leaf length, photo Russ Kleinman, Laura Baumann, Kelly Allred & Karen Blisard, El Malpais National Monument, East McCarty's Flow, April 18, 2018
Sciuro-hypnum populeum, photomicrograph of leaf base, photo Russ Kleinman, Laura Baumann, Kelly Allred & Karen Blisard, El Malpais National Monument, East McCarty's Flow, April 18, 2018
Sciuro-hypnum populeum, photomicrograph of leaf base, photo Russ Kleinman, Laura Baumann, Kelly Allred & Karen Blisard, El Malpais National Monument, East McCarty's Flow, April 18, 2018
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