Whorled Rosinweed
Silphium asteriscus var. trifoliatum (Linnaeus) J.A. Clevinger
Whorled Rosinweed: https://marylandbiodiversity.com/species/4383
Synonyms
Silphium trifoliatum  Threeleaf Rosinweed 
Tags
S3 (Watch list)

Map Snapshot

21 Records

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Seasonality Snapshot

Resources

View at iNaturalist View at Nature Serve Search Google Images Search MBP Facebook posts
View at Maryland Plant Atlas Search Flora of North America Search Mid-Atlantic Herbaria Consortium Search Norton-Brown Herbarium
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Source: Wikipedia

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