Biology:Leptogium mantiqueirense
| Leptogium mantiqueirense | |
|---|---|
Scientific classification 
| |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Peltigerales |
| Family: | Collemataceae |
| Genus: | Leptogium |
| Species: | L. mantiqueirense
|
| Binomial name | |
| Leptogium mantiqueirense Kitaura & Marcelli (2013)
| |
Leptogium mantiqueirense is a species of lichen-forming fungus in the family Collemataceae.[1] Found in Brazil, it was described as a new species in 2013.
Taxonomy
Leptogium mantiqueirense was described as a new species by Marcos Kitaura and Marcelo Marcelli, with the type collected in Brazil (Minas Gerais) in Itatiaia National Park on the trunk of a tree. It is treated in Leptogium section Mallotium, and the species is noted for apothecia (fruiting bodies) that may show a distinctive lamellar "collar", a feature the authors use to help separate collar-bearing apothecia from those with true lobules.[2]
Description
The body (thallus) is 1.5–4.0 cm across and grey to dark grey, with a dull, matt surface. The lobes are up to 3 mm wide, irregularly overlapping and attached at scattered points, with rounded tips that curve slightly downward (somewhat [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]]). The upper surface is smooth to slightly wrinkled, while the lower side is yellowish grey to whitish, covered with fine hairs. Isidia (vegetative outgrowths) and [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] are absent.[2]
The thallus is attached to the substrate by hairs rather than by the root-like structures (rhizines or hapters) found in many related lichens; these are absent, while unbranched hairs occur on the lower surface and also near the fruiting bodies on the upper surface. The fruiting bodies (apothecia) are up to 6 mm in diameter and develop on the lobe surface ([[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]]). They may become somewhat raised with age, and the [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] is concave when young, flattening to flat or concave when older. The apothecia can bear a frilly collar made of one or two (rarely three) wavy, crisped plates ([[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]]), sometimes appearing as semicircular lobelets fused at the base; a [[Glossary of lichen terms#{{biology:{1}}}|{{Biology:{1}}}]] is absent.[2]
Habitat and distribution
The species is known from the type locality in southeastern Brazil, where it was collected in Itatiaia National Park (Minas Gerais) growing on a tree trunk.[2] It has also been documented in São Paulo.[3]
References
- ↑ "Leptogium mantiqueirense Kitaura & Marcelli". Species 2000: Leiden, the Netherlands. https://www.catalogueoflife.org/data/taxon/3TPMM.
- ↑ 2.0 2.1 2.2 2.3 Kitaura, M.J.; Marcelli, M.P. (2013). "A revision of Leptogium species with spherical-celled hairs (section Mallotium p.p.)". The Bryologist 116: 15–27. doi:10.1639/0007-2745-116.1.015.
- ↑ Aptroot, André; da Silva Cáceres, Marcela Eugenia; dos Santos, Lidiane Alves; Benatti, Michel N.; Canêz, Luciana; Forno, Manuela Dal; Feuerstein, Shirley C.; Vidigal Fraga Junior, Carlos Augusto et al. (2025). "The Brazilian lichen checklist: 4,828 accepted taxa constitute a country-level world record". The Bryologist 128 (2): 96–423 [222]. doi:10.1639/0007-2745-128.2.96.
Wikidata ☰ Q21275554 entry
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