Pleosporales » Didymosphaeriaceae » Karstenula

Karstenula rhodostoma

Karstenula rhodostoma (Alb. & Schwein.) Speg., Decades Mycologicae Italicae 7-12: no. 94 (1879).

 Sphaeria rhodostoma Alb. & Schwein., Consp. fung. (Leipzig): 43 (1805).

           Index Fungorum number: IF 227846; Facesoffungi number: FoF 00043, Fig. 1

Description: see Ariyawansa et al. (2014).

Material considered: see Ariyawansa et al. (2014).

Fig. 1 Karstenula rhodostoma (PH 01048835, holotype of Sphaeria rhodostoma modified from Fig. 8 in Ariyawansa et al. 2014). a Herbarium label and specimen. b Appearance of ascomata on host substrate. c Section through ascoma. d Peridium. e Pseudoparaphyses. f, g Asci. h–j Ascospores. Scale bars: c = 100 μm, d, h–j = 20 μm, e = 10 μm, f, g = 50 μm.

Importance and distribution

There are 30 Karstenula epithets in Index Fungorum (2022), but several species have been transferred to Chaetoplea, Massariosphaeria, Murispora, Mycothyridium, Pleospora and Thyridium. Karstenula comprises 22 species known on wide range of plants such as Adenocarpus foliolosus (Fabaceae), Alnus sp. (Betulaceae), Asimina triloba (Annonaceae), Capparis aphylla (Capparaceae), Eucalyptus nitens (Myrtaceae), Frangula alnus (Rhamnaceae), Juncus sp. (Juncaceae), Ptelea trifoliata (Rutaceae), Rhamnus frangula (Rhamnaceae), Scirpus holoschoenus (Cyperaceae), Sorbus sp. (Rosaceae) and Vitis sp. (Vitaceae). Karstenula is known from Africa (Canary Islands), Asia (Pakistan), Australia (Tasmania), Europe (Georgia, Poland, Portugal, Spain, Sweden, Turkey, United Kingdom) and The United States (Maine, Maryland).

 

References

Ariyawansa HA, Tanaka K, Thambugala KM, Phookamsak R et al. 2014 – A molecular phylogenetic reappraisal of the Didymosphaeriaceae (= Montagnulaceae). Fungal Diversity 68, 69–104.

Barr ME. 1990 – Melanommatales (Loculoascomycetes). North American Flora 13(II) 1–129.

Constantinescu O. 1993 – Teleomorph anamorph connection in ascomycetes: microdiplodia anamorph of Karstenula rhodostoma. Mycological Research 97, 377–380.

Kodsueb R, Dhanasekaran V, Aptroot A, Lumyong S et al. 2006 – The family Pleosporaceae: intergeneric relationships and phylogenetic perspectives based on sequence analyses of partial 28SrDNA. Mycologia 98, 571–583.

Lindau G. 1897– Pyrenomycetineae, Laboulbeniineae. In: Engler A, Prantl K (eds) Die Natürlichen Pflanzenfamilien 1. Verlag von Wilhelm Engelmann, Leipzig, pp 321–505.

Winter G. 1885 – Pilze - Ascomyceten. In GL Rabenhorst’s KryptogamenFlora von Deutschland, Oesterreich und der Schweiz 1, 65–528.

Zhang Y, Crous PW, Schoch CL, Hyde KD. 2012 – Pleosporales. Fungal Diversity 52, 1–225.

Zhang Y, Fournier J, Crous PW, Pointing SB, Hyde KD. 2009 – Phylogenetic and morphological assessment of two new species of Amniculicola and their allies (Pleosporales). Persoonia 23, 48–54.

 

About Dothideomycetes

The website Dothideomycetes.org provides an up-to-date classification and account of all genera of the class Dothideomycetes.

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