Epiphytic Crustose Lichens of the Clearwater Valley, British Columbia

Normandina

Only a single species known, so the description of the genus is that of N. pulchella.

References: Purvis et al. 1992.

Normandina pulchella (Borrer) Nyl.

Squamulose lichens containing a trebouxioid alga; thallus of clustered or scattered squamules, squamules pale bluish green, thin, but with a thickened margin, older portions with concentric “growth rings”, soredia usually present over the upper surface of the squamule; apothecia or perithecia not known with certainty, but perithecia may appear on the thallus owing to the parasite Lauderlindsaya borreri.

Reactions: All spot tests negative.

Contents: No known lichen substances.

Habitat: On mossy branches and twigs in very humid areas, as around waterfall sprayzones. Lower elevations.

Similar Species: No species is similar.

Specimens: Björk 9946.

Local Status: Rare.