Punctelia tomentosula

Punctelia tomentosula
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Lecanorales
Family:	Parmeliaceae
Genus:	Punctelia
Species:	P. tomentosula
Binomial name
	Punctelia tomentosula; Kurok. (1999)

Punctelia tomentosula is a species of foliose lichen in the family Parmeliaceae. Found in Peru, it was described as a new species in 1999 by Japanese lichenologist Syo Kurokawa.

The lichen has dense, dimorphous rhizines, a medulla that produces a rose colour with a C+ lichen spot test (caused by the presence of lecanoric acid), and short-filiform (threadlike) conidia that measure 7–9 μm long. It has abundant pseudocyphellae and soralia on the thallus surface, and a brown lower surface.[1] Punctelia osorioi, found in South Brazil, is somewhat similar in appearance – particularly the dense rhizines. However, it does not have soralia, it has short, hook-like (unciform) conidia that are shorter than those in P. tomentosula (5−6 μm), and it does not have lecanoric acid in the medulla.[2]

References

Kurokawa, S. (1999). "Notes on Flavopunctelia and Punctelia (Parmeliaceae), with descriptions of four new species". Bulletin of the Botanical Garden of Toyama. 4: 25–32.
Canêz, Luciana da Silva; Marcelli, Marcelo P. (2010). "Punctelia osorioi, a new species of Parmeliaceae from South Brazil". Mycotaxon. 111: 45–49. doi:10.5248/111.45.

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[Kurokawa_1999-1] Kurokawa, S. (1999). "Notes on Flavopunctelia and Punctelia (Parmeliaceae), with descriptions of four new species". Bulletin of the Botanical Garden of Toyama. 4: 25–32.

[Canêz_&_Marcelli_2010-2] Canêz, Luciana da Silva; Marcelli, Marcelo P. (2010). "Punctelia osorioi, a new species of Parmeliaceae from South Brazil". Mycotaxon. 111: 45–49. doi:10.5248/111.45.