Summary
The Icmadophilaceae are a family of lichen-forming fungi in the order Pertusariales. The family was circumscribed in 1993 by the mycologist Dagmar Treibel.[1] It contains 9 genera and 35 species.[2]
| Icmadophilaceae | |
|---|---|
| |
| Icmadophila ericetorum | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Pertusariales |
| Family: | Icmadophilaceae Triebel (1993) |
| Type genus | |
| Icmadophila Trevis. (1853)
| |
| Genera | |
|
Dibaeis | |
Description edit
Icmadophilaceae species are usually crust-like to shrub-like in form. Their photobiuont partner is chlorococcoid, which is crucial for their survival. Their apothecia (fruiiting bodies) are typically biatorine in form, meaning they have a light-coloured (not carbonised) margin, and are often pink in colour. Some may have stalk-like structures, referred to as pseudopodetia.[3]
Within these reproductive structures, Icmadophilaceae lichens have unbranched filaments called paraphyses, which are amyloid. The asci, or spore sacs, in these lichens are thin-walled and lack a thickened top section (apical tholus) but have a thin, amyloid cap at their tips. They are typically cylindrical in shape.[3]
Each ascus typically contains eight spores. These spores come in various shapes – ellipsoid, oblong, fusiform (spindle-shaped), to cutriform (knife-shaped) – and are clear (hyaline) and non-amyloid. In addition to spore reproduction, Icmadophilaceae lichens can also reproduce asexually through structures called pycnidia, which produce rod-shaped (bacillar), hyaline conidia (asexual spores).[3]
In terms of chemical composition, this family is characterised by a variety of depsides, a type of secondary metabolite (lichen product) commonly found in lichens.[3]
Genera edit
- Dibaeis Clem. (1909)[4] – ca. 14 spp.
- Endocena Cromb. (1876)[5] – 2 spp.
- Icmadophila Trevis. (1852)[6] – 4 spp.
- Knightiellastrum L.Ludw. & Kantvilas (2020[7] – 1 sp.
- Pseudobaeomyces M.Satô (1940) – 2 spp.
- Siphula Fr. (1831)[8] – 26 spp.
- Siphulella Kantvilas, Elix & P.James (1992)[9] – 1 sp.
- Siphulopsis Kantvilas & A.R.Nilsen (2020)[7] – 1 sp.
- Thamnolia Ach. ex Schaerer (1850) – 4 spp.
References edit
- ^ Rambold, G.; Triebel, D.; Hertel, H. (1993). "Icmadophilaceae, a new family in the Leotiales". Phytochemistry and Chemotaxonomy of Lichenized Ascomycetes – A Festschrift in Honour of Siegfried Huneck. Bibliotheca Lichenologica. Vol. 53. Berlin/Stuttgart: J. Cramer. pp. 217–240.
- ^ "Icmadophilaceae". Catalogue of Life. Retrieved 24 January 2024.
- ^ a b c d Jaklitsch, Walter; Baral, Hans-Otto; Lücking, Robert; Lumbsch, H. Thorsten (2016). Frey, Wolfgang (ed.). Syllabus of Plant Families: Adolf Engler's Syllabus der Pflanzenfamilien. Vol. 1/2 (13 ed.). Berlin Stuttgart: Gebr. Borntraeger Verlagsbuchhandlung, Borntraeger Science Publishers. p. 148. ISBN 978-3-443-01089-8. OCLC 429208213.
- ^ Clements, F.E. (1909). The Genera of Fungi. Minneapolis, Minnesota: The H. W. Wilson Company. pp. 78, 175.
- ^ Crombie, J.M. (1876). "On the Lichens collected by Professor R. O. Cunningham in the Falkland Islands, Fuegia, Patagonia, and the Island of Chiloe during the Voyage of H.M.S. 'Nassau', 1867–9" (PDF). The Journal of the Linnean Society. Botany. 15 (84): 222–234. doi:10.1111/j.1095-8339.1876.tb00242.x.
- ^ Trevisan, V. (1852). "Saggio di una classazione naturale dei Licheni. - Memoria I. Sulla tribu delle Patellariee". Revista Periodica dei Lavori della Imperiale Regia Accademia di Padova (in Italian). 1 (3): 237–271.
- ^ a b Ludwig, Lars R.; Kantvilas, Gintaras; Nilsen, Andy R.; Orlovich, David A.; Ohmura, Yoshihito; Summerfield, Tina C.; Wilk, Karina; Lord, Janice M. (2020). "A molecular-genetic reassessment of the circumscription of the lichen genus Icmadophila". The Lichenologist. 52 (3): 213–220. doi:10.1017/S0024282920000122. S2CID 225924786.
- ^ Fries, E.M. (1831). Lichenographia Europaea Reformata (in Latin). pp. 7, 406.
- ^ Kantvilas, Gintaras; Elix, John A.; James, Peter W. (1992). "Siphulella, a new lichen genus from southwest Tasmania". The Bryologist. 95 (2): 186–191. doi:10.2307/3243434. JSTOR 3243434.