Pleosporales » Pleosporales, genus incertae sedis


Camarographium Bubák, Ber. dt. bot. Ges. 34: 306 (1916).

Index Fungorum number: IF 9919; Facesoffungi number: FoF 06671, 5 morphological species (Species Fungorum 2022), 2 species with molecular data.

Saprobic on twigs, branches and stems of Clematis vitalba. Sexual morph: Unknown. Asexual morph: Conidiomata pycnidial, gregarious, immersed, globose, unilocular, dark brown, ostiolate. Ostiole papillate, single, central, circular. Conidiomata wall outer layer composed of thin-walled, brown cells of textura angularis, inner layer thin, composed of subhyaline-walled cells of textura angularis. Conidiophores reduced to conidiogenous cells. Conidiogenous cells enteroblastic, phialidic, determinate, discrete, hyaline, smooth. Conidia pale brown, oblong to ellipsoid, globose, base obtuse, guttulate when immature, distoseptate, with 2–4 transverse septa, numerous longitudinal or oblique septa, thin and smooth-walled, guttulate when immature (adapted from Wijayawardene et al. 2016).


Type species: Camarographium stephensii (Berk. & Broome) Bubák


Notes: Camarographium is characterised by pycnidial, gregarious, immersed, globose ascomata, enteroblastic, phialidic conidiogenous cells, and pale brown, oblong to ellipsoid, or globose, distoseptate conidia with 2–4 transverse septa, and numerous longitudinal or oblique septa. Camarographium differs from other camarosporium-like taxa in having distoseptate conidia. Wijayawardene et al. (2016) added Camarographium clematidis collected on branch of Clematis vitalba (Ranunculaceae) in Italy. Camarographium resembles Magnicamarosporium but lacks paraphyses (Tanaka et al. 2015, Wijayawardene et al. 2016). Camarographium is currently placed in Pleosporales genera incertae sedis. Molecular markers available for Camarographium include ITS, LSU, BTUB, RPB2 and TEF-1.


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