Summary description from Wikipedia:

Silphium asteriscus in languages:

English

Starry rosinweed

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Parent Taxon

• Silphium

Sibling Taxa

• Silphium albiflorum
• Silphium asperrimum
• Silphium asteriscus
• Silphium brachiatum
• Silphium compositum
• Silphium confertifolium
• Silphium glutinosum
• Silphium gracile
• Silphium integrifolium
• Silphium laciniatum
• Silphium laciniatum × terebinthinaceum
• Silphium mohrii
• Silphium perfoliatum
• Silphium perplexum
• Silphium pinnatifidum
• Silphium radula
• Silphium terebinthinaceum
• Silphium wasiotense

Child Taxa

• Silphium asteriscus asteriscus
• Silphium asteriscus dentatum
• Silphium asteriscus latifolium
• Silphium asteriscus simpsonii
• Silphium asteriscus trifoliatum

Top Observation Places

• Cary
• Delray Beach
• Tallahassee
• Durham
• Chapel Hill