Silphium perfoliatum (Dixter Form)

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Other plants belonging to the genus Silphium:

• Silphium laciniatum (archived)
• Silphium gracile (archived)
• Silphium compositum (Coll. Georgia) (archived)
• Silphium mohrii
• Silphium terebinthinaceum (archived)
• Silphium wasiotense (archived)
• Silphium radula gracile
• Silphium terebinthinaceum pinnatifidum (archived)
• Silphium mohrii (donkere stengel) (archived)
• Silphium integrifolium subsp. integrifolium (archived)
• Silphium integrifolium subsp. laeve (archived)
• Silphium connatum
• Silphium asteriscus var trifoliatum
• Silphium hybr. (perfoliatum x wasiotense)
• Silphium albiflorum (archived)