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Keywords from Image Description:
Centromadia pungens ssp. pungens BLM. en Centromadia pungens Hook Arn Greene ssp pungens Common spikeweed syn Hemizonia pungens ssp pungens blm gov html Department of the Interior Bureau of Land Management Atwell Island Herbarium Bakersfield CA Stephen Laymon Bureau of Land Management PDUSGov Uploaded with Centromadia pungens