Leiorreuma

Leiorreuma is a genus of script lichens in the family Graphidaceae. It has 18 species. The genus was circumscribed by Franz Gerhard Eschweiler in 1824, with Leiorreuma hepaticum assigned as the type species.

Description

Leiorreuma is identified by certain features. It has apothecia with noticeable opened . The is often thin on the sides but well-developed at the base and appears . The hymenium is dotted with small specks, and the spores are pale brown and have thin walls with crosswise septa or are divided into many compartments (). They are not stained by iodine.

Species

Leiorreuma convariatum

Leiorreuma crassimarginatum – China

Leiorreuma dilatatum

Leiorreuma ellipticum

Leiorreuma erodens – Florida

Leiorreuma exaltatum

Leiorreuma explicans

Leiorreuma hepaticum

Leiorreuma hypomelaenoides – Thailand

Leiorreuma hypomelaenum

Leiorreuma melanostalazans

Leiorreuma nicobarense – India

Leiorreuma nornotaticum

Leiorreuma patellulum

Leiorreuma sericeum

Leiorreuma subpatellulum – India

Leiorreuma taiwanense – Taiwan

Leiorreuma vaginans

Leiorreuma vicarians

Leiorreuma yakushimense – Japan

References

Graphidaceae

Lichen genera

Graphidales genera

Taxa described in 1824

Taxa named by Franz Gerhard Eschweiler