Lasiosphaeria sphagni

Hosts: Scorpidium scorpioides, Sphagnum sp. Only known (preliminarily) from a single collection on Scorpidium in the British Isles, from Dorset, VC9. Leg. Matcham, H.

Seems to fit the original description as spores of this collection were around 45 x 10 um, and too broad for L. muscicola as was previously thought.

Setose perithecium on a stem of Scorpidium scorpioides. Leg. Matcham, H. VC9, Dorset.
Perithecium and subtending hyphae. Leg. Matcham, H. VC9, Dorset.
Ascospores and 8-spored asci. Ascospores straight, not bent. Leg. Matcham, H. VC9, Dorset.

References

http://www.ascofrance.com/search_forum/22437 – AscoFrance post by N. Filippova.

Declercq, B. (2014). About Lasiosphaeria s.l. (3) Lizonia sphagni (Cooke) collected in Europe. Ascomycete.org, 6 (5) : 103-104.

Declercq, B. (2019). About Lasiosphaeria s.l. (5) Lasiosphaeria sphagnorum (P.Crouan & H.Crouan) Sac. ss. Mouton recollected in Belgium. Sterbeeckia, 35: 20–22.

Döbbeler, P. 1978. Moosbewohnende Ascomyceten I. Die pyrenocarpen, den Gametophyten besiedelnden Arten. Mitt. Bot. Staatssamml. München 14: 1–360.

Miller, A. N., Huhndorf, S. M., & Fournier, J. (2014). Phylogenetic relationships of five uncommon species of Lasiosphaeria and three new species in the Helminthosphaeriaceae (Sordariomycetes). Mycologia, 106(3), 505-524.

Racovitza, A. (1959). Étude systématique et biologique des champignons bryophiles. Mémoires du Muséum National d’Histoire Naturelle, Série B, Botanique 10(1): 1–288.

SVRČEK, M. (1971). Nové nálezy hub v Československu. Czechoslovak records: 6. Lasiosphaeria sphagnorum (Crouan) Sacc. Česka Mykologie, 25 (1): 56-58.