tuberous comfrey
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Boraginales
- family: Boraginaceae
- genus: Symphytum
- species: Symphytum tuberosum
Hagenbrunn
Lower Austria
Bierbaum am Auersbach
Styria
Austria
Grygov
Olomoucký
Czech Republic
Haiming
Bavaria
Germany
Mýki
East Macedonia and Thrace
Greece
Tomaszkowice
Lesser Poland Voivodeship
Poland
Slite
Gotland
Hultsfred
Ljungbyholm
Kalmar
Gantofta
Lund
Munka-Ljungby
Skåne
Bergshamra
Djursholm
Lidingö
Nacka
Råsunda
Skytteholm
Solna
Årsta
Östermalm
Stockholm
Mariefred
Södermanland
Uppsala
Uppsala
Göteborg
Västra Götaland
Norrköping
Östergötland
Sweden
Dinnington
Hexham
England
United Kingdom
Oxford
Connecticut
Beltsville
Maryland
United States