Clavulina rugosa
- kingdom: Fungi
- phylum: Basidiomycota
- class: Agaricomycetes
- order: Cantharellales
- family: Clavulinaceae
- genus: Clavulina
- species: Clavulina rugosa
Martelange
Wallonia
Belgium
Sackville
Saint Andrews
New Brunswick
Kentville
Nova Scotia
London
Ontario
Rawdon
Saint-Bruno-de-Montarville
Quebec
Canada
Erlau
Saxony
Germany- Luxembourg
Delden
Overijssel
Netherlands
Fjärås kyrkby
Halland
Nybro
Kalmar
Bergshamra
Djursholm
Mölnbo
Stockholm
Knivsta
Uppsala
Surahammar
Västmanland
Billingsfors
Diseröd
Grebbestad
Göteborg
Kungälv
Mölndal
Skepplanda
Skultorp
Trollhättan
Uddevalla
Vargön
Vänersborg
Västra Götaland
Sweden
Blaydon-on-Tyne
Newburn
Wylam
England
United Kingdom
Winston-Salem
North Carolina
United States
Alzingen