Beck Pocket-moss
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Beck Pocket-moss

Fissidens rufulus

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Photo: iNaturalist: HermannSchachner, no known copyright restrictions (public domain)

Overview

Beck Pocket-moss (Fissidens rufulus) is a small, delicate bryophyte characterized by its distinctive reddish-brown coloration and pocket-like leaf arrangement typical of the Fissidens genus. This diminutive moss forms small patches or scattered individual plants, playing a crucial role in soil stabilization and providing microhabitat for invertebrates in specialized ecological niches.

Beck Pocket-moss (Fissidens rufulus) is critically endangered due to its extremely limited distribution and vulnerability to habitat disturbance. The species is known from only a few locations and faces ongoing threats from human activities and environmental changes that could easily lead to its extinction.

Threat summary

Habitat

Beck Pocket-moss grows on moist, shaded soil banks, rock crevices, and disturbed earth in woodland margins and along stream corridors. It requires consistently humid conditions and is typically found on calcareous or neutral substrates in partially shaded microsites.

Frequently asked questions

Why is Beck Pocket-moss classified as Critically Endangered?
Beck Pocket-moss is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Beck Pocket-moss (Fissidens rufulus) is critically endangered due to its extremely limited distribution and vulnerability to habitat disturbance. The species is known from only a few locations and faces ongoing threats from human activities and environmental changes that could easily lead to its extinction.
Where does Beck Pocket-moss live?
Beck Pocket-moss occurs in Algeria, Austria, Belgium, Cuba, Czechia, and France (plus 17 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Beck Pocket-moss?
The main threats to Beck Pocket-moss are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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