Bibbya

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Bibbya
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Lecanorales
Family: Ramalinaceae
Genus: Bibbya
J.H.Willis (1956)
Type species
Bibbya muelleri
(F.Wilson) J.H.Willis (1956)

Bibbya is a genus of fruticose lichens in the family Ramalinaceae. [1]

Contents

Taxonomy

The genus was circumscribed in 1956 by Australian botanist James Hamlyn Willis, with Bibbya muelleri assigned as the type species. [2] The generic name honours Patrick Noel Sumner Bibby (1907–1955), a colleague with whom Willis had collaborated, and who had died the year previously. [3]

In 1992, Einer Timdal included Bibbya in Toninia . [4] The genus was resurrected in 2018 after a comprehensive molecular phylogeny of the family Ramalinaceae. The authors transferred several species previously placed in genus Toninia, as well as one previously placed in Bacidia . [5]

Description

Bibbya is characterized by the presence of a reddish-brown pigment in the epithecium (the tissue layer above the asci) and in the rim of the exciple (the ring-like structure surrounding the apothecium). The thallus varies in form from crustose to squamulose or bullate (covered with rounded swellings like blisters). The ascospores range in shape from ellipsoid with a single septum, to filiform (threadlike) with multiple septa. [5]

Species

The following list gives the species of Bibbya, followed by their taxonomic authority (standardized author abbreviations are used), year of publication (or year transferred to the genus Bibbya), and type locality.

Related Research Articles

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Scutula is a genus of lichenicolous fungi in the family Ramalinaceae.

<i>Bacidina</i> Genus of lichens

Bacidina is a genus of lichens in the family Ramalinaceae. It was circumscribed by Czech lichenologist Antonín Vězda in 1990, with Bacidina phacodes assigned as the type species. Vězda included 11 species in Bacidina, which was originally classified in the Lecideaceae. These species had previously been placed in genus Bacidia.

<i>Bacidia</i> Genus of lichens

Bacidia is a genus of lichen-forming fungi in the family Ramalinaceae. The genus was circumscribed by Giuseppe De Notaris in 1846. Species in the genus are crust-like lichens with stemless apothecia; they have green algae (chloroccoid) as photobionts. Their asci have 8 colorless, cylindrical to acicular, multiseptate spores, with curved and thread-like conidia.

Adelolecia is a genus of crustose lichens in the family Lecanoraceae. The genus was circumscribed by Hannes Hertel and Josef Hafellner in 1984. The genus was formerly classified in the family Ramalinaceae, but molecular phylogenetic analysis showed it to belong to the Lecanoraceae.

Aciculopsora is a genus of lichens in the family Ramalinaceae. It was circumscribed by lichenologists André Aptroot and Marie Trest in 2006.

Myelorrhiza is a genus of two Australian species of lichenized fungi in the family Ramalinaceae. It was circumscribed in 1986 by Australian lichenologists Doug Verdon and John A. Elix. Myelorrhiza was originally classified in the family Cladoniaceae until Kistenich and colleagues, using molecular phylogenetic analysis, showed that it is more appropriately placed with the Ramalinaceae.

Crustospathula is a genus of five species of crustose lichens in the family Malmideaceae. They are characterized by their stalked and sometimes branched cartilaginous soredia and Bacidia-like apothecia.

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<i>Phyllopsora</i> Genus of lichenised fungi in the family Ramalinaceae

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Phyllopsora concinna is a species of corticolous (bark-dwelling), squamulose (scaley) lichen in the family Ramalinaceae. Found in Central and South America, it was formally described as a new species in 2019 by lichenologists Sonja Kistenich and Einar Timdal. The lichen has a scaley, effuse (spread-out) thallus that is pale green with a well-developed, white prothallus. Apothecia occur rarely; they are brownish with a paler margin, measuring up to 1 mm in diameter. Ascospores are simple with a narrow ellipsoid to fusiform shape, and dimensions of 12.5–16·0 by 3.5–4.0 μm. Atranorin and parvifoliellin are major lichen products that occur in this species. The latter compound distinguishes it chemically from the morphologically similar species Phyllopsora cinchonarum, which instead contains lobaric acid. The botanical name concinna, refers to its "beautiful" appearance.

References

  1. Wijayawardene, Nalin; Hyde, Kevin; Al-Ani, Laith Khalil Tawfeeq; Somayeh, Dolatabadi; Stadler, Marc; Haelewaters, Danny; et al. (2020). "Outline of Fungi and fungus-like taxa". Mycosphere. 11: 1060–1456. doi: 10.5943/mycosphere/11/1/8 .
  2. Willis, J.H. (1956). "A new genus of alpine lichens". Victorian Naturalist. 73: 125–128.
  3. Filson, Rex (1976). "Australian lichenology: A brief history". Muelleria. 3 (3): 183–190. doi:10.5962/p.171922. S2CID   250997040.
  4. Timdal, E. (1992). A monograph of the genus Toninia (Lecideaceae, Ascomycetes). Opera Botanica. Vol. 110. pp. 1–137.
  5. 1 2 Kistenich, Sonja; Timdal, Einar; Bendiksby, Mika; Ekman, Stefan (2018). "Molecular systematics and character evolution in the lichen family Ramalinaceae (Ascomycota: Lecanorales)". Taxon. 67 (5): 871–904. doi:10.12705/675.1. hdl: 10852/67955 .