1 literature reference for Verpa conica var. conica (O.F. Müll.) Sw. 1815:

Author: Sw.
Year: 1815
Title:
Source: In: Vitori Kongrespo Mikrobiologiya 4. Fromishlena Mikrobiologiya-Selskostoranska Mikrobiologiya (Second Congress of Microbiology 4. Industrial Microbiology–Farm Microbiolgy) 1969 (Sofit):129