Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 0952 [detail] © 2015 Richard Spellenberg	Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 0953 [detail] © 2015 Richard Spellenberg	Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 0954 [detail] © 2015 Richard Spellenberg	Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 0955 [detail] © 2015 Richard Spellenberg
Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 1046 [detail] © 2015 Richard Spellenberg	Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 1047 [detail] © 2015 Richard Spellenberg	Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 1048 [detail] © 2015 Richard Spellenberg	Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 1049 [detail] © 2015 Richard Spellenberg
Silphium radula var. gracile Roughstem Rosinweed ID: 0000 0000 0515 1050 [detail] © 2015 Richard Spellenberg

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