Ringless Hook-moss
Sarmentypnum exannulatum
Sarmentypnum exannulatum, also known as ringless hook-moss, is a species of medium-sized wetland moss belonging to the family Amblystegiaceae. It was first described by Wilhelm Philipp Schimper in collaboration with his brother Wilhelm Philippe Schimper in 1854.
- Scientific name
- Sarmentypnum exannulatum
- Family
- Calliergonaceae