Guide to Liverworts of Oregon: Key to Blepharostoma
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1b plants leafy > 3a leaves divided 1/2 or more > 4b leaves divided to base > 5a segments uniseriate from base > Blepharostoma
Blepharostoma trichophyllum Tater Hill, Douglas Co., Oregon. DHW 7372
1a Leaf segments 3-4, rarely forked; cross wall of leaf segments thickened at junction with lateral wall, often protruding; leaf cells less than 55 µm long; widespread in moist habitats.
Blepharostoma trichophyllum
Blepharostoma arachnoideum. Near Horton Lane County, Oregon. D. Kofranek 4134.
1b Leaf segments 2-3, often forked; cross walls of leaf segments not thickened at junction with lateral wall, never protruding; leaf cells more than 60 µm long; very rare in damp habitats on organic substrates.
Blepharostoma arachnoideum