- Tortula tortuosa Hedwig
- Barbula subtortuosa Müll.Hal.
- Barbula tortuosa (Hedw.) F.Weber & D.Mohr
Frizzled Crisp-moss, Frizzled Crisp Moss
No status defined
Value of species
T. tortuosa grows in yellow-green tufts or turfs several centimetres in depth. When moist, the long (up to 6–7 mm), narrow leaves have wavy margins. When dry, the leaves shrivel into a distinctive, contorted spiral. Pulling off a few leaves with the fingernails reveals the abrupt V-shaped transition between the colourless basal cells and the upper cells, visible through a hand lens.