
Redisposition of phoma-like anamorphs in Pleosporales
The anamorphic genus Phoma was subdivided into nine sections based on morphological characters, and included teleomorphs in Didymella, Leptosphaeria, Pleospora and Mycosphaerella, suggesting the polyphyly of the genus. Recent molecular, phylogenetic
studies led to the conclusion that Phoma should be restricted to Didymellaceae. The present study focuses on the taxonomy of excluded Phoma species, currently classified in Phoma sections Plenodomus, Heterospora and Pilosa. Species of Leptosphaeria
and Phoma section Plenodomus are reclassified in Plenodomus, Subplenodomus gen. nov., Leptosphaeria and Paraleptosphaeria gen. nov., based on the phylogeny determined by analysis of sequence data of the large subunit 28S nrDNA (LSU) and Internal Transcribed
Spacer regions 1 & 2 and 5.8S nrDNA (ITS). Phoma heteromorphospora, type species of Phoma section Heterospora, and its allied species Phoma dimorphospora, are transferred to the genus Heterospora stat. nov. The Phoma acuta complex (teleomorph Leptosphaeria
doliolum), is revised based on a multilocus sequence analysis of the LSU, ITS, small subunit 18S nrDNA (SSU), β-tubulin (TUB), and chitin synthase 1 (CHS-1) regions. Species of Phoma section Pilosa and allied Ascochyta species were determined to belong to Pleosporaceae
based on analysis of actin (ACT) sequence data. Anamorphs that are similar morphologically to Phoma and described in Ascochyta, Asteromella, Coniothyrium, Plectophomella, Pleurophoma and Pyrenochaeta are included in this study. Phoma-like species, which grouped
outside the Pleosporineae based on a LSU sequence analysis, are transferred to the genera Aposphaeria, Paraconiothyrium and Westerdykella. The genera Medicopsis gen. nov. and Nigrograna gen. nov. are introduced to accommodate the medically important
species formerly known as Pyrenochaeta romeroi and Pyrenochaeta mackinnonii, respectively. Taxonomic novelties: New genera: Medicopsis
Gruyter, Verkley & Crous,
Nigrograna
Gruyter, Verkley & Crous,
Paraleptosphaeria
Gruyter,
Verkley & Crous,
Subplenodomus
Gruyter, Verkley & Crous. New species: Aposphaeria
corallinolutea Gruyter, Aveskamp & Verkley,
Paraconiothyrium
maculicutis Verkley & Gruyter. New combinations: Coniothyrium
carteri (Gruyter & Boerema) Verkley & Gruyter, C. dolichi (Mohanty) Verkley & Gruyter, C. glycines (R.B. Stewart) Verkley & Gruyter, C. multiporum (V.H. Pawar, P.N. Mathur & Thirum.) Verkley & Gruyter, C. telephii (Allesch.) Verkley
& Gruyter,
Heterospora
(Boerema, Gruyter & Noordel.) Gruyter, Verkley & Crous, H. chenopodii (Westend.) Gruyter, Aveskamp & Verkley, H. dimorphospora (Speg.) Gruyter, Aveskamp & Verkley,
Leptosphaeria
errabunda (Desm.)
Gruyter, Aveskamp & Verkley, L. etheridgei (L.J. Hutchison & Y. Hirats.) Gruyter, Aveskamp & Verkley, L. macrocapsa (Trail) Gruyter, Aveskamp & Verkley, L. pedicularis (Fuckel) Gruyter, Aveskamp & Verkley, L. rubefaciens (Togliani) Gruyter, Aveskamp
& Verkley, L. sclerotioides (Sacc.) Gruyter, Aveskamp & Verkley, L. sydowii (Boerema, Kesteren & Loer.) Gruyter, Aveskamp & Verkley, L. veronicae (Hollós) Gruyter, Aveskamp & Verkley,
Medicopsis
romeroi (Borelli) Gruyter,
Verkley & Crous,
Nigrograna
mackinnonii (Borelli) Gruyter, Verkley & Crous,
Paraconiothyrium
flavescens (Gruyter, Noordel. & Boerema) Verkley & Gruyter, Paracon. fuckelii (Sacc.) Verkley & Gruyter, Paracon. fusco-maculans
(Sacc.) Verkley & Gruyter, Paracon. lini (Pass.) Verkley & Gruyter, Paracon. tiliae (F. Rudolphi) Verkley & Gruyter,
Paraleptosphaeria
dryadis (Johanson) Gruyter, Aveskamp & Verkley, Paralept. macrospora (Thüm.) Gruyter, Aveskamp
& Verkley, Paralept. nitschkei (Rehm ex G. Winter) Gruyter, Aveskamp & Verkley, Paralept. orobanches (Schweinitz: Fr.) Gruyter, Aveskamp & Verkley, Paralept. praetermissa (P. Karst.) Gruyter, Aveskamp & Verkley,
Plenodomus
agnitus
(Desm.) Gruyter, Aveskamp & Verkley, Plen. biglobosus (Shoemaker & H. Brun) Gruyter, Aveskamp & Verkley, Plen. chrysanthemi (Zachos, Constantinou & Panag.) Gruyter, Aveskamp & Verkley, Plen. collinsoniae (Dearn. & House) Gruyter, Aveskamp &
Verkley, Plen. confertus (Niessl ex Sacc.) Gruyter, Aveskamp & Verkley, Plen. congestus (M.T. Lucas) Gruyter, Aveskamp & Verkley, Plen. enteroleucus (Sacc.) Gruyter, Aveskamp & Verkley, Plen. fallaciosus (Berl.) Gruyter, Aveskamp & Verkley, Plen.
hendersoniae (Fuckel) Gruyter, Aveskamp & Verkley, Plen. influorescens (Boerema & Loer.) Gruyter, Aveskamp & Verkley, Plen. libanotidis (Fuckel) Gruyter, Aveskamp & Verkley, Plen. lindquistii (Frezzi) Gruyter, Aveskamp & Verkley, Plen. lupini
(Ellis & Everh.) Gruyter, Aveskamp & Verkley, Plen. pimpinellae (Lowen & Sivan.) Gruyter, Aveskamp & Verkley, Plen. tracheiphilus (Petri) Gruyter, Aveskamp & Verkley, Plen. visci (Moesz) Gruyter, Aveskamp & Verkley,
Pleospora
fallens
(Sacc.) Gruyter & Verkley, Pleo. flavigena (Constantinou & Aa) Gruyter & Verkley, Pleo. incompta (Sacc. & Martelli) Gruyter & Verkley,
Pyrenochaetopsis pratorum
(P.R. Johnst. & Boerema) Gruyter, Aveskamp & Verkley,
Subplenodomus
apiicola (Kleb.) Gruyter, Aveskamp & Verkley, Subplen. drobnjacensis (Bubák) Gruyter, Aveskamp & Verkley, Subplen. valerianae (Henn.) Gruyter, Aveskamp & Verkley, Subplen. violicola (P. Syd.) Gruyter, Aveskamp & Verkley,
Westerdykella
capitulum (V.H. Pawar, P.N. Mathur & Thirum.) de Gruyter, Aveskamp & Verkley, W. minutispora (P.N. Mathur ex Gruyter & Noordel.) Gruyter, Aveskamp & Verkley. New names:
Pleospora
angustis Gruyter & Verkley, Pleospora halimiones
Gruyter & Verkley.
Keywords: Coniothyriaceae; Cucurbitariaceae; Leptosphaeriaceae; Melanommataceae; Montagnulaceae; Phaeosphaeriaceae; Pleosporaceae; Sporormiaceae; Trematosphaeriaceae; coelomycetes; molecular phylogeny; taxonomy
Document Type: Research Article
Publication date: June 1, 2013
- Studies in Mycology is an international journal which publishes systematic monographs of filamentous fungi and yeasts, and special topical issues related to all fields of mycology, biotechnology, ecology, molecular biology, pathology and systematics. The journal is Open-Access and contains monographs or topical issues (5–6 papers per issue). There are no restrictions of length, although it is generally expected that manuscripts should be at least 50 A4 pages in print.
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