Mycosphaerellales » Mycosphaerellaceae


Laocoon J.C. David [as 'Laocoön'], Mycol. Pap. 172: 116 (1997).

Index Fungorum number: IF 622358; Facesoffungi number: FoF 08621, 1 morphological species (Species Fungorum 2022), no molecular data available.

Hyphomycetous. Sexual morph: Unknown. Asexual morph: Mycelium superficial, hyphae creeping, septate, branched, pigmented, smooth. Conidiophores arising from creeping hyphae, macronematous, mononematous, simple, rarely branched, straight to flexuous, septate, densely verruculose, not spirally twisted. Conidiogenous cells integrated, terminal, multilocal, sympodial. Conidiogenous loci broad, aggregated, cercospora like, thickened and darkened, flattened with a rough surface, raised at the edge and with a conspicuous central dome. Conidia solitary, consisting of only one filament, transversely euseptate, pustulate, not proliferating, thin-walled, pigmented; conidial secession schizolytic (adapted from David 1997 and Videira et al. 2017).

 Type species: Laocoon paradoxus (Syd. & P. Syd.) J.C. David

Notes: Laocoon is characterised by macronematous, mononematous, simple conidiophores, terminal, multilocal, sympodial conidiogenous cells and solitary conidia comprised of only one filament. The placement of Laocoon in Mycosphaerellaceae is doubtful. Fresh collections with DNA sequence data are needed to confirm the taxonomic placement of Laocoon.


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