Normandina
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Normandina is a genus of lichen-forming fungi in the family Verrucariaceae. It has five species of crustose and squamulose lichens.
Normandina pulchella Flickr pellaea
Verrucariaceae
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The Verrucariaceae are a family of lichens and a few non-lichenised fungi in the order Verrucariales. The lichens have a wide variety of thallus forms, from crustose to foliose and squamulose. Most of
Normandina
…Normandina is a genus of lichen-forming fungi in the family Verrucariaceae. It has five species of crustose and squamulose (scaly) lichens. The genus was circumscribed by William Nylander in 1855, with Normandina jungermanniae…
Verrucaria nigrescens 080408
Dermatocarpon americanum is a foliose member of the Verrucariaceae ...
... while Staurothele pulvinata is squamulose.
Catapyrenium boccanum, shown here growing in a hole in a calcareous rock, is a catapyrenioid lichen.