Decaisnella spectabilis
Decaisnella spectabilis Fabre, Annls Sci. Nat., Bot., sér. 6 9: 112 (1879) [1878].
Index Fungorum number: IF 158190; Facesoffungi number: FoF 11591, Fig. 1
Description: see Barr (1985); Abdel-Wahab and Jones (2003).
Material considered: see Barr (1985); Abdel-Wahab and Jones (2003).
Fig. 1 Decaisnella spectabilis (NY2082, syntype, modified from Fig. 25 in Zhang et al. 2012). a Appearance of ascomata on the host surface. b Peridium. c Asci. d–f Ascospores. Scale bars: a = 0.5 mm, b = 100 μm, c–f = 20 μm.
Importance and distribution
Species of Decaisnella are plant pathogen causing leaf spot. Decaisnella was reported from Europe (France, Germany, Spain) and The United States (New Jersey).
Industrial relevance and applications
Decaisnella is useful for pharmaceutical industry as it produces bioactive spirodioxynaphthalenes (Jiao et al. 2006).
Biochemical importance of the genus, chemical diversity or applications
Jiao et al. (2006) reported Decaspirones A-E, bioactive spirodioxynaphthalenes from the freshwater aquatic fungus Decaisnella thyridioides.
Decaisnella comprises 10 species known on Ephedra vulgaris (Ephedraceae), Nyssa sp. (Nyssaceae), Olea sp. (Oleaceae), Quercus sp. (Fagaceae), Rhamnus pumila (Rhamnaceae) and Sarcobatus vermiculatus (Sarcobataceae). Decaisnella pachyspora was transferred to Lophiostoma. Decaisnella is known from Australia (Victoria), Europe (France, Germany, Italy, Spain) and The United States (California, Montana, New Jersey, New York).
References
Barr ME. 1990 – Melanommatales (Loculoascomycetes). North American Flora 13(II), 1–129.
Barr ME. A classification of Loculoascomycetes. Mycologia 71, 935–957.
Saccardo PA. 1883 – Sylloge Fungorum 2, Italy, Pavia, p 815.
Zhang Y, Crous PW, Schoch CL, Hyde KD. 2012 – Pleosporales. Fungal Diversity 53, 1–221.
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