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Keywords from Image Description:
Asteroideae spp Sturm. Conyza canadensis Cronquist syn Erigeron canadensis br Erigeron acris Original Caption Echtes Franzosenkraut Erigeron canadensis br Gemeines Berufkraut acris Figure from Deutschlands Flora in Abbildungen at biolib de Johann Georg Sturm Painter Jacob Sturm PDold metadata from image Conyza canadensis illustrations