Polytrichaceae
From Natural History of Southeast Alaska
Family: Polytrichaceae
| Scientific Name | Common Name | Summary |
|---|---|---|
| Atrichum selwynii | ||
| Bartramiopsis lescurii | ||
| Meiotrichum lyallii | ||
| Oligotrichum aligerum | ||
| Oligotrichum hercynicum | ||
| Oligotrichum parallelum | ||
| Pogonatum contortum | P. laterale not listed as a synonym for P. contortum in BFNA, but is listed as such on ITIS. | |
| Pogonatum dentatum | ||
| Pogonatum urnigerum | ||
| Polytrichastrum alpinum | ||
| Polytrichastrum formosum | ||
| Polytrichastrum longisetum | ||
| Polytrichastrum sexangulare | ||
| Polytrichum commune | ||
| Polytrichum juniperinum | ||
| Polytrichum piliferum | ||
| Polytrichum strictum |
Relevant Pogonatum couples from BFNA [1]
- Leaves toothed from the apex nearly to the base; marginal cells of lamellae not differentiated, smooth Pogonatum contortum
- Leaves toothed above the shoulders, the margins of the sheath entire; marginal cells of lamellae thick-walled and coarsely papillose
- Leaf margins with multicellular, hooked teeth; leaf sheath not hyaline-margined; marginal cells of lamellae ± rectangular, flat-topped, the lumen quadrate; peristome divided nearly to the base. Pogonatum dentatum
- Leaf margins with mostly 1-cellular teeth; leaf sheath hyaline-margined; marginal cells of lamellae rounded to transversely elliptical, the lumen pentagonal; peristome divided to ca. 0.6. Pogonatum urnigerum
