Add to ORKGSilphium terebinthinaceum, Inflorescence from above. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Capitulum at anthesis, from above. Family Asteraceae, Subclass Asteridae. Origin: ...
Silphium radula, involucres. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium radula, whole plant. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescence from below and phyllaries. Family Asteraceae, Subclass Aste...
Silphium terebinthinaceum, Leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium trifoliatum , Inflorescence past anthesis from above. Family Asteraceae, Subclass Asteridae...
Silphium trifoliatum , Inflorescence well past anthesis from above. Family Asteraceae, Subclass Aste...
Silphium trifoliatum , Inflorescence past anthesis from below, phyllaries. Family Asteraceae, Subcla...
Silphium trifoliatum , Inflorescence at anthesis from above. Family Asteraceae, Subclass Asteridae. ...
Silphium terebinthinaceum, Plant in flower and upstaging Dr. Tom Cooperrider. Family Asteraceae, Sub...
Silphium trifoliatum , Plant in flower. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium trifoliatum , Shoot, nodes, leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Plant, with tall tickseed (and Toni Wilson for scale). Family Asteraceae,...
Silphium trifoliatum , Plant in flower with Verbesina alternifolia. Family Asteraceae, Subclass Aste...
Silphium gracile, Capitulum at anthesis, from above. Family Asteraceae, Subclass Asteridae. Origin: ...
Silphium radula, involucres. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium radula, whole plant. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescence from below and phyllaries. Family Asteraceae, Subclass Aste...
Silphium terebinthinaceum, Leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium trifoliatum , Inflorescence past anthesis from above. Family Asteraceae, Subclass Asteridae...
Silphium trifoliatum , Inflorescence well past anthesis from above. Family Asteraceae, Subclass Aste...
Silphium trifoliatum , Inflorescence past anthesis from below, phyllaries. Family Asteraceae, Subcla...
Silphium trifoliatum , Inflorescence at anthesis from above. Family Asteraceae, Subclass Asteridae. ...
Silphium terebinthinaceum, Plant in flower and upstaging Dr. Tom Cooperrider. Family Asteraceae, Sub...
Silphium trifoliatum , Plant in flower. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium trifoliatum , Shoot, nodes, leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Plant, with tall tickseed (and Toni Wilson for scale). Family Asteraceae,...
Silphium trifoliatum , Plant in flower with Verbesina alternifolia. Family Asteraceae, Subclass Aste...
Silphium gracile, Capitulum at anthesis, from above. Family Asteraceae, Subclass Asteridae. Origin: ...
Silphium radula, involucres. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium radula, whole plant. Family Asteraceae, Subclass Asteridae. Origin: Native