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Taxonomy:

Lactuca acanthifolia (Add)
Lactuca aculeata (Add)
Lactuca adenophora (Add)
Lactuca alpestris (Add)
Lactuca alpina (Add)
Lactuca altaica (Add)
Lactuca aurea (Add)
Lactuca azerbaijanica (Add)
Lactuca biennis (Add)
Lactuca boissieri (Add)
Lactuca bourgaei (Add)
Lactuca bracteata (Add)
Lactuca calophylla (Add)
Lactuca canadensis (Add)
Lactuca crambifolia (Add)
Lactuca cyprica (Add)
Lactuca deltoidea (Add)
Lactuca dissecta (Add)
Lactuca dolichophylla (Add)
Lactuca dregeana (Add)
Lactuca fenzlii (Add)
Lactuca floridana (Add)
Lactuca georgica (Add)
Lactuca glandulifera (Add)
Lactuca glareosa (Add)
Lactuca gorganica (Add)
Lactuca graciliflora (Add)
Lactuca graminifolia (Add)
Lactuca haimanniana (Add)
Lactuca hirsuta (Add)
Lactuca hispida (Add)
Lactuca indica (Add)
Lactuca inermis (Add)
Lactuca intricata (Add)
Lactuca jamaicensis (Add)
Lactuca kemaliya (Add)
Lactuca kochiana (Add)
Lactuca lasiorhiza (Add)
Lactuca lessertiana (Add)
Lactuca longidentata (Add)
Lactuca ludoviciana (Add)
Lactuca macrophylla (Add)
Lactuca macrorhiza (Add)
Lactuca madatapensis (Add)
Lactuca marschallii (Add)
Lactuca microcephala (Add)
Lactuca mulgedioides (Add)
Lactuca muralis (Add)
Lactuca olgae (Add)
Lactuca orientalis (Add)
Lactuca palmensis (Add)
Lactuca pancicii (Add)
Lactuca paradoxa (Add)
Lactuca perennis (Add)
Lactuca persica (Add)
Lactuca plumieri (Add)
Lactuca praecox (Add)
Lactuca praevia (Add)
Lactuca pulchella (Add)
Lactuca quercina (Add)
Lactuca racemosa (Add)
Lactuca raddeana (Add)
Lactuca rechingeriana (Add)
Lactuca reviersii (Add)
Lactuca saligna (Add)
Lactuca sativa (Add)
Lactuca scarioloides (Add)
Lactuca schulzeana (Add)
Lactuca schweinfurthii (Add)
Lactuca serriola (Add)
Lactuca sibirica (Add)
Lactuca singularis (Add)
Lactuca takhtadzhianii (Add)
Lactuca tatarica (Add)
Lactuca tenerrima (Add)
Lactuca tetrantha (Add)
Lactuca triquetra (Add)
Lactuca tuberosa (Add)
Lactuca undulata (Add)
Lactuca variabilis (Add)
Lactuca viminea (Add)
Lactuca violaefolia (Add)
Lactuca virosa (Add)
Lactuca watsoniana (Add)