Tortella flavovirens (Bruch) Broth.
Diagnostic description:
This plant forms yellow - green matts an has tongue-shaped leaves. They are between 0.5 - 0.7 cm tall. Moist plants have slightly wavy leaf margins. Dry plants have crisped, wavy and twisted leaves. The colourless leaf base can be clearly seen in dry plants, showing a V-shaped colourless section in the basal section of the leaf surrounding the stem.
Distribution:
Alameda Gardens.
Habitat:
On damp walls.