Ulmus campestris
L.
KW [Mycology] 4994. Localité de collection: Ukraine; Odesa Oblast; Ivanivka District; Severinivka village; Verkhnii Gai parcel, plateau between Kuyal’nits’kiy and Khadzhibeyivs’kiy estuaries (N46°50' E30°32'). Date de collection: 25 Octobre 1953. Organisme associé: Flammulina velutipes. Collectionneure: Rozhenko, G.L..