Pleosporales » Leptosphaeriaceae » Chaetoplea

Chaetoplea calvescens

Chaetoplea calvescens (Fr. ex Desm.) Clem., in Clements & Shear, Gen. fung. Edn 2 (Minneapolis): 275 (1931).

≡ Sphaeria calvescens Fr. ex Desm., Annls Sci. Nat., Bot., sér. 2 19: 353 (1843).

Index Fungorum number: IF 251207; Facesoffungi number: FoF 00281, Fig. 1

Description: see Phookamsak et al. (2014).

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

Fig. 1 Chaetoplea calvescens (Fries, no. 401, BPI, lectotype of Sphaeria calvescens). a Herbarium specimen. b Appearance of ascomata on host substrate. c Section through ascomata. d Peridium. e, f Asci with ascospores. g–j Ascospores. k Section through conidiomata. l Conidiogenesis. m Conidiogenous cells stained in cotton blue reagent. n–p Conidia. Scale bars: c = 100 μm, d–f, k, l = 20 μm, g–j = 10 μm, m–p = 5 μm.

Importance and distribution

Chaetoplea comprises 23 species known on wide range of plants namely Acer negundo (Sapindaceae), Artemisia sp. (Asteraceae), Chrysothamnus graveolens (Asteraceae), Lavandula sp. (Lamiaceae), Opuntia acanthocarpa (Cactaceae), Platanus occidentalis (Platanaceae), Populus tremuloides (Salicaceae), Prosopis juliflora (Fabaceae), Prunus demissa (Rosaceae), Rhus diversiloba (Anacardiaceae), Sambucus caerulea (Adoxaceae),

and Symphoricarpos sp. (Caprifoliaceae). Chaetoplea is distributed in Asia (China), Europe (France, New York, Portugal, Spain, Switzerland) and the United States (Arizona, California, Colorado, Kansas, Massachusetts, Utah). Chaetoplea seems to be a diverse genus. Future studies must aim to collect more species of Chaetoplea from understudied hosts and region as sequence data is lacking.

 

References

 

Barr ME. 1987 – Prodromus to class Loculoascomycetes. Amherst, Massachusetts, University of Massachusetts, USA.

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

Crous PW, Slippers B, Wingfield MJ, Rheeder J et al. 2006 – Phylogenetic lineages in the Botryosphaeriaceae. Studies in Mycology 55, 235–253.

Phookamsak R, Liu JK, McKenzie EH, Manamgoda DS et al. 2014 – Revision of Phaeosphaeriaceae. Fungal Diversity 68, 159–238.

Webster J, Lucas MT. 1959 – Observations on British species of Pleospora.  Transactions of the British Mycological Society 42, 332–342.

Zhang Y, Crous PW, Schoch CL, Hyde KD. 2012 – Pleosporales. Fungal Diversity 53, 1–221.

 

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