Tulostoma niveum Kers, Bot. Not. 131: 411. 1978.

Jeppson, Mikael, Altes, Alberto, Moreno, Gabriel, Nilsson, R. Henrik, Yolanda Loarce,, Bustos, Alfredo de & Larsson, Ellen, 2017, Unexpected high species diversity among European stalked puffballs - a contribution to the phylogeny and taxonomy of the genus Tulostoma (Agaricales), MycoKeys 21, pp. 33-88 : 58

Tulostoma niveum Kers, Bot. Not. 131: 411. 1978. Figure 2j

Holotype.

SWEDEN, Uppland: Djurö, Munkö, 23 Sept. 1973, L.E. Kers 4264 (S!).

Tulostoma niveum is a well-defined species with small and slender, whitish basidiomata with conically protruding mouth and distinctly membranous exoperidium. Molecular data suggest a close relationship with the new species T. eckbladii and T. giovanellae (Figure 1c).

Habitat and distribution.

Occurs among mosses on ± calcareous boulders, flat rocks, or stone walls in semi-shaded localities. Recorded from Finland, Norway, Sweden, Switzerland, and the UK (Scotland). Not known from outside Europe.

Specimens examined.

NORWAY, Oslo: Malmøykalven, among mosses on calcareous cliffs, 13 Oct. 2006, A-E. Torkelsen, A. Wollan, A. Karlsson, J. Nilsson, J. Markussen, M. Jeppson 8268 (GB). SWEDEN, Södermanland: Vårdinge, Usta SW, among Tortella tortuosa on calcareous rocks near lake shore, 13 Oct. 2005, M. Jeppson 7692 (GB)*; Utö, Notholmen, på mosstuvor på urkalkhäll nära havet, 14 Oct. 2005, I. Holst, L. Almqvist, M. Gothnier, M. Jeppson 7699 (GB)*; Uppland: Djurö socken, Runmarö, 300 m V om nordspetsen av ön i norra delen av Vitträsk, hällmark i norra kanten av betesmark, 1973, L.E. Kers 4775 (S); Västmanland: Viker, Näsmarkernas NR, Näset, on calcareous rocks among Tortella tortuosa , 29 Aug. 1999, J. Jeppson, M. Jeppson 5229 (GB)*. SWITZERLAND, Genève: Chancy, 11 Nov. 2008, J-J. Roth (GB); Ibidem, Dec. 2015 (GB).