Add to ORKGSilphium gracile, Capitulum at anthesis, from above, with inch worms. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium radula, mature head. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium radula, long-section. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Capitulum at anthesis, from above. Family Asteraceae, Subclass Asteridae. Origin: ...
Silphium gracile, Capitulum prior to anthesis with enclosing phyllaries. Family Asteraceae, Subclass...
Silphium gracile, Capitulum after anthesis, from above, with dry disk floret corollas. Family Astera...
Silphium gracile, Capitulum after anthesis, from the side, with dry disk floret corollas. Family Ast...
Silphium gracile, Ray florets at anthesis. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Developing fruit in place. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Upper cauline leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Fruit (winged achene). Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescence from below and phyllaries. Family Asteraceae, Subclass Aste...
Silphium terebinthinaceum, Inflorescence from above. Family Asteraceae, Subclass Asteridae. Origin: ...
Silphium terebinthinaceum, Leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Plant, with tall tickseed (and Toni Wilson for scale). Family Asteraceae,...
Silphium radula, mature head. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium radula, long-section. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Capitulum at anthesis, from above. Family Asteraceae, Subclass Asteridae. Origin: ...
Silphium gracile, Capitulum prior to anthesis with enclosing phyllaries. Family Asteraceae, Subclass...
Silphium gracile, Capitulum after anthesis, from above, with dry disk floret corollas. Family Astera...
Silphium gracile, Capitulum after anthesis, from the side, with dry disk floret corollas. Family Ast...
Silphium gracile, Ray florets at anthesis. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Developing fruit in place. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Upper cauline leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium gracile, Fruit (winged achene). Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescence from below and phyllaries. Family Asteraceae, Subclass Aste...
Silphium terebinthinaceum, Inflorescence from above. Family Asteraceae, Subclass Asteridae. Origin: ...
Silphium terebinthinaceum, Leaves. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Plant, with tall tickseed (and Toni Wilson for scale). Family Asteraceae,...
Silphium radula, mature head. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium terebinthinaceum, Inflorescences. Family Asteraceae, Subclass Asteridae. Origin: Native
Silphium radula, long-section. Family Asteraceae, Subclass Asteridae. Origin: Native