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This image was originally posted to iNaturalist by arheyman01 at https://www.inaturalist.org/photos/89526931. It was reviewed on 18 October 2023 by INaturalistReviewBot and found to be published under the terms of the Cc-zero license. It is, however, not the same license as specified on upload (Cc-by-sa-4.0) and it is unknown whether that license ever was valid.
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Captions
''Penstemon gracilentus'' in Lassen Volcanic National Park, California