Dwarf Bladder-moss
Physcomitrium sphaericum
Photo: iNaturalist: (c) martina_poeltl, some rights reserved (CC BY-NC), uploaded by martina_poeltl
Overview
Dwarf Bladder-moss is a tiny annual moss species characterized by its distinctive spherical capsules and small, delicate gametophytes that rarely exceed a few millimeters in height. This ephemeral moss plays a crucial role in pioneer plant communities, helping to stabilize soil and create microhabitats for other small organisms in disturbed environments.
Dwarf Bladder-moss (Physcomitrium sphaericum) is critically endangered primarily due to habitat loss and degradation of its specialized wetland environments. The species requires specific hydrological conditions in temporary pools and wet depressions, which are increasingly threatened by agricultural intensification, urban development, and altered water regimes.
Habitat
Dwarf Bladder-moss inhabits seasonally flooded areas such as the margins of temporary pools, ditches, and wet depressions in fields that dry out during summer months. It typically grows on bare, nutrient-rich clay or silty soils that experience regular cycles of inundation and desiccation.
Other threatened species in Funariaceae
Frequently asked questions
Why is Dwarf Bladder-moss classified as Critically Endangered?
Where does Dwarf Bladder-moss live?
What are the main threats to Dwarf Bladder-moss?
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