
Bog Pouchwort
Calypogeia sphagnicola
Photo: iNaturalist: (c) John D Reynolds, some rights reserved (CC BY-NC), uploaded by John D Reynolds
Overview
Bog Pouchwort is a small, delicate liverwort that forms thin, creeping mats with distinctive pouch-like structures (perianths) that house its reproductive organs. This diminutive bryophyte displays pale green to yellowish-green coloration and grows as flattened, leafy shoots typically measuring only a few centimeters in length. As a specialized bog species, it plays a crucial role in peat bog ecosystems by contributing to the complex mat of bryophytes that help maintain the unique hydrology and chemistry of these wetland habitats.
Bog Pouchwort (Calypogeia sphagnicola) is critically endangered primarily due to habitat loss and degradation of its specialized bog and wetland environments. The species is highly dependent on pristine sphagnum bog ecosystems, which are increasingly threatened by drainage, peat extraction, agricultural conversion, and climate change-induced drying.
Habitat
Bog Pouchwort inhabits acidic Sphagnum bogs and wet heathlands, where it grows among cushions of Sphagnum moss in permanently waterlogged, nutrient-poor conditions. This species is typically found in the wettest areas of ombrotrophic bogs, often in shallow pools or along bog margins where the water table remains consistently at or near the surface.
Other threatened species in Calypogeiaceae
Threatened in Åland Islands
Frequently asked questions
Why is Bog Pouchwort classified as Critically Endangered?
Where does Bog Pouchwort live?
What are the main threats to Bog Pouchwort?
Get weekly conservation intelligence
One short digest a week of the most striking species and country data we ship, plus breaking conservation news paired with our database where it matters.
Free, no spam. One-click unsubscribe in every email.



