Daldinia concentrica

Chlebicki, Andrzej, 2022, Revision of the genus Daldinia in the KRAM herbarium collection: Daldinia CHildiae, D. loCUlata and D. loCUlatoides, three new species for Poland, Annales Universitatis Paedagogicae Cracoviensis Studia Naturae 7, pp. 61-73 : 66

Daldinia concentrica (Bolton: Fr.) Ces. & De Not .,

Comm. Soc. crittog. Ital. 1 (no. 4): 197. 1863.

Stromata semi-spherical, sessile, widely attached to the substrate, smooth, up to 4.4 cm in diameter. The KOH-extractable stromatal pigments dark purple ( Fig. 1B ). Ascospores brown, ellipsoid, with narrowly rounded ends, 13.4–16.3 × 6.8–9 µm ( Fig. 5 ).

Specimens examined: 1) Bulgaria: Stranja Mts., the Ropotamo National Park, 5 km from an estuary, on Acer campestre L., 18 May 1981, leg. A. Chlebicki, KRAM F 47531 (as D. concentrica ).

Comments: It is a the only specimen of D. concentrica in the KRAM F collection. Stadler et al. (2014) reported D. concentrica from the same locality in the Ropotamo National Park.

Figures

Fig.1. KOH-extractable stromatal pigments:Daldinia childiae – A,D.concentrica – B, D.eschscholtzii – C, D.lloydii – D, D.loculata – E, D.loculatoides – F,D.decipiens – G, D.vernicosa – H, D.petriniae – I (Photo. A.Chlebicki)

Fig.5. Ascospores of Daldinia concentrica from Bulgaria, KRAM F 47531 (Photo. A.Chlebicki)