New Taxonomy Discussion Pages
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to discussions completed at this time. Pages include text, illustrations,
identification keys, and references for most taxa.
Asteraceae
Ageratina
Eupatoriadelphus
Eupatorium
Gamochaeta
Gnaphalium
Omalotheca
Packera
Pseudognaphalium
Senecio
Polygonaceae
Fallopia
Persicaria
Polygonum
Rosaceae
Argentina
Comarum
Dasiphora
Drymocallis
Aronia
Photinia
Potentilla
Sibbaldiopsis
Violaceae
Viola
Viola conspersa
Viola labradorica
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