Group: Dicot Rank: forma Herbarium Placement: Monsanto, 3rd, D, 280     

Published In: Rhodora 40(480): 481. 1938. (Rhodora)
Annotation: as "Steelei"

Basionym:

Lactuca steelei Britton  Manual of the Flora of the northern States and Canada 899. 1901. (Man. Fl. N. States)

Higher Taxa:     Taxonomy Browser
Concept: Andean Bryophytes Bolivia Checklist Bryophyte Herbarium Flora Mesoamericana Madagascar Catalogue Moss Flora of China System Vascular Herbarium

• class:  Equisetopsida C. Agardh
• subclass:  Magnoliidae Novák ex Takht.
• superorder:  Asteranae Takht.
• order:  Asterales Link
• family:  Asteraceae Bercht. & J. Presl
• genus:  Lactuca L.
• species:  Lactuca canadensis L.