Schistostega
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Schistostega pennata, also called goblin gold, Dragon's gold, luminous moss or luminescent moss, is a haplolepidous moss known for its glowing appearance in dark places. It is the only member of the f
Makkausu Cave, Rausu, Hokkaido
Peristome
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Peristome is an anatomical feature that surrounds an opening to an organ or structure. Some plants, fungi, and shelled gastropods have peristomes.
Peristome of Bryum capillare moss
Arthrodontous capsule of Dicranella varia moss
The earthstar Geastrum pectinatum showing a beaked peristome
The ventral surface of a shell of Cepaea nemoralis. The peristome is thickened and dark in an adult snail.