Species SynonymPycnanthemum umbratile FernaldSynonym ofPycnanthemum setosum Nutt.loadingAboutClassification and descendantsSource: Catalogue of LifeSearchLoadingLoadingLoadingLoadingLoadingLoading View allBibliographySource: Catalogue of Life1 resultFernald. (1945). Rhodora 47: 179 (1945). CitationLoadingLoading
