Lesser bird's-claw beard-moss

Barbula convoluta, also called Streblotrichum convolutum, less commonly known as lesser bird's-claw beard-moss and Convoluted Beard Moss is a species of moss belonging the family Pottiaceae. The leaves are between 0.5 millimetres (0.020 in) and 1.5 millimetres (0.059 in) in length and are broadly lanceolate or more parallel-sided. The leaves become firm when wet. The stems are 1 to 1.5 centimetres (0.39 to 0.59 in). The seta is slender and yellow, and measured about 1 to 1.8 centimetres (0.39 to 0.71 in), the theca is 0.8 to 1.2 millimetres (0.031 to 0.047 in), and the spores are smooth and measured about 10 to 12 micrometers.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Lesser bird's-claw beard-moss being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

• Barbula unguiculata
• Trichostomum brachydontium
• Pseudocrossidium revolutum
• Barbula calycina
• Pseudocrossidium hornschuchianum
• Hyophila involuta

Classification

Kingdom

Plantae

Phylum

Bryophyta

Class

Bryopsida

Order

Pottiales

Family

Pottiaceae

Genus

Streblotrichum

Species

Streblotrichum convolutum

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