All Species in Symphytum
- Comfrey (Symphytum × uplandicum)
- Common Comfrey (Symphytum officinale)
- Prickly Comfrey (Symphytum asperum)
- Symphytum aintabicum (Symphytum aintabicum)
- Symphytum anatolicum (Symphytum anatolicum)
- Symphytum bornmuelleri (Symphytum bornmuelleri)
- Symphytum brachycalyx (Symphytum brachycalyx)
- Symphytum bulbosum (Symphytum bulbosum)
- Symphytum carpaticum (Symphytum carpaticum)
- Symphytum caucasicum (Symphytum caucasicum)
- Symphytum circinale (Symphytum circinale)
- Symphytum cordatum (Symphytum cordatum)
- Symphytum creticum (Symphytum creticum)
- Symphytum davisii (Symphytum davisii)
- Symphytum davisii subsp. cycladense (Symphytum davisii subsp. cycladense)
- Symphytum davisii subsp. davisii (Symphytum davisii subsp. davisii)
- Symphytum davisii subsp. icaricum (Symphytum davisii subsp. icaricum)
- Symphytum davisii subsp. naxicola (Symphytum davisii subsp. naxicola)
- Symphytum grandiflorum (Symphytum grandiflorum)
- Symphytum gussonei (Symphytum gussonei)
- Symphytum hajastanum (Symphytum hajastanum)
- Symphytum ibiricum (Symphytum ibiricum)
- Symphytum kurdicum (Symphytum kurdicum)
- Symphytum longisetum (Symphytum longisetum)
- Symphytum microcalyx (Symphytum microcalyx)
- Symphytum officinale subsp. bohemicum (Symphytum officinale subsp. bohemicum)
- Symphytum officinale subsp. officinale (Symphytum officinale subsp. officinale)
- Symphytum officinale subsp. uliginosum (Symphytum officinale subsp. uliginosum)
- Symphytum orientale (Symphytum orientale)
- Symphytum ottomanum (Symphytum ottomanum)
- Symphytum podcumicum (Symphytum podcumicum)
- Symphytum pseudobulbosum (Symphytum pseudobulbosum)
- Symphytum savvalense (Symphytum savvalense)
- Symphytum sylvaticum (Symphytum sylvaticum)
- Symphytum tauricum (Symphytum tauricum)
- Symphytum tuberosum subsp. angustifolium (Symphytum tuberosum subsp. angustifolium)
- Symphytum tuberosum subsp. leonhardtianum (Symphytum tuberosum subsp. leonhardtianum)
- Symphytum tuberosum subsp. nodosum (Symphytum tuberosum subsp. nodosum)
- Symphytum tuberosum subsp. tuberosum (Symphytum tuberosum subsp. tuberosum)
- Symphytum × bicknellii (Symphytum × bicknellii)
- Symphytum × ferrariense (Symphytum × ferrariense)
- Symphytum × mosquense (Symphytum × mosquense)
- Symphytum × runemarkii (Symphytum × runemarkii)
- Symphytum × ullepitschii (Symphytum × ullepitschii)
- Symphytum × wettsteinii (Symphytum × wettsteinii)
- Tuberous Comfrey (Symphytum tuberosum)