. Budd's flora of the Canadian Prairie Provinces. Botany; Botanique. Fig. 223. Long-headed coneflower, Ratibida columnifera (Nutt.) Woot. & Standi. 772. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original [Ottawa] : Research Branch, Agriculture Canada

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Keywords: ., bookcentury1900, booklea, booksubjectbotanique, booksubjectbotany