Tricharia vainioi

Tricharia vainioi is a species of foliicolous lichen in the family Gomphillaceae. It is widely distributed, having been recorded in Africa, Asia, Australia, Central and South America.

Tricharia vainioi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Graphidales
Family: Gomphillaceae
Genus: Tricharia
Species:
T. vainioi
Binomial name
Tricharia vainioi
R.Sant. (1952)

Taxonomy

The lichen was first formally described by Swedish lichenologist Rolf Santesson in 1952. The specific epithet honours Finnish lichenologist Edvard Vainio.[1]

Description

Tricharia vainioi has sessile, dark brown apothecia that are either slightly constricted at the base or not at all. Its ascospores measure 32–54 by 15–28 μm.[2]

Habitat and distribution

In Asia, the lichen has been recorded from Taiwan, in Nantou County and Pingtung County. In these locations, the lichen was growing on either Alpinia speciosa, Asplenium nidus, or Diospyros. In China, it has been found at the Tropical Botanical Garden in Mengla County.[3] In Venezuela, it has been collected in a montane forest at an altitude of 1,700 m (5,600 ft).[4] In 2002, it was reported from the first time from Kenya, in Kwale County.[5] Tricharia vainioi is also found in Australia.[2]

In Costa Rica, Tricharia vainioi was one of 23 species of lichens found growing mainly on the pronotum, but also on the forewings of the shield mantis species Choeradodis rhombicollis and Choeradodis rhomboidea. The degree of lichen colonisation is more pronounced in females, who have a longer lifespan (2 years versus 1 year in males).[6]

References
  1. Santesson, R. (1952). Foliicolous lichens. I. A revision of the taxonomy of the obligately foliicolous, lichenized fungi. Symbolae Botanicae Upsalienses. Vol. 12. p. 382.
  2. Sérusiaux, E. "Three new species of Tricharia (Lichenes, Asterothyriaceae) from New Guinea". Mycotaxon. 76 (1): 108–114.
  3. Aptroot, André; Ferraro, Lidia I.; Lai, Ming-Jou; Sipman, Hariie J.M.; Sparrius, Laurens B. (2003). "Foliicolous lichens and their lichenicolous ascomycetes from Yunnan and Taiwan". Mycotaxon. 88: 41–47.
  4. Marcano, Vicente; Méndez, Antonio Morales; Sipman, Harrie; Calderon, Lorena (1996). "A first checklist of the lichen-forming fungi of the Venezuelan Andes". Tropical Bryology. 12: 193–235 (see p.225).
  5. Lücking, Robert; Kalb, Klaus (2002). "New species and further additions to the foliicolous lichen flora of Kenya (East Africa), including the first lichenicolous Aulaxina (Ostropales: Gomphillaceae)". Botanical Journal of the Linnean Society. 139 (2): 171–180. doi:10.1046/j.1095-8339.2002.00058.x.
  6. Lücking, Robert; Mata-Lorenzen, Juan; Dauphin L., Gregorio (2010). "Epizoic liverworts, lichens and fungi growing on Costa Rican Shield Mantis (Mantodea: Choeradodis)". Studies on Neotropical Fauna and Environment. 45 (3): 175–186. doi:10.1080/01650521.2010.532387. S2CID 84488743.
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