Centaurium breviflorum, flower (close up). Family Gentianaceae, Subclass Asteridae. Origin: Native
Pedicularis centranthera, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Pedicularis centranthera, whole plant. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Galium tinctorium, Plant in flower. Family Rubiaceae, Subclass Asteridae. Origin: Native
Centaurium breviflorum, flower (close up). Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, Plant in flower. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, Flower from side. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, Flower at anthesis from side. Family Gentianaceae, Subclass Asteridae. Origin: N...
Centaurium texense, flowers. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, whole plant. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium beyrichii, plants on hillside. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurea americana , Capitulum at anthesis, side view. Family Asteraceae, Subclass Asteridae. Origi...
Centaurea americana , Capitulum at anthesis, from above. Family Asteraceae, Subclass Asteridae. Orig...
Centaurea americana , Capitulum prior to anthesis, phyllaries. Family Asteraceae, Subclass Asteridae...
Centaurea americana , Capitulum at anthesis, from below. Family Asteraceae, Subclass Asteridae. Orig...
Cirsium horridulum, Plant in flower. Family Asteraceae, Subclass Asteridae. Origin: Native
Pedicularis centranthera, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Pedicularis centranthera, whole plant. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Galium tinctorium, Plant in flower. Family Rubiaceae, Subclass Asteridae. Origin: Native
Centaurium breviflorum, flower (close up). Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, Plant in flower. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, Flower from side. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, Flower at anthesis from side. Family Gentianaceae, Subclass Asteridae. Origin: N...
Centaurium texense, flowers. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium texense, whole plant. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurium beyrichii, plants on hillside. Family Gentianaceae, Subclass Asteridae. Origin: Native
Centaurea americana , Capitulum at anthesis, side view. Family Asteraceae, Subclass Asteridae. Origi...
Centaurea americana , Capitulum at anthesis, from above. Family Asteraceae, Subclass Asteridae. Orig...
Centaurea americana , Capitulum prior to anthesis, phyllaries. Family Asteraceae, Subclass Asteridae...
Centaurea americana , Capitulum at anthesis, from below. Family Asteraceae, Subclass Asteridae. Orig...
Cirsium horridulum, Plant in flower. Family Asteraceae, Subclass Asteridae. Origin: Native
Pedicularis centranthera, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Pedicularis centranthera, whole plant. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Galium tinctorium, Plant in flower. Family Rubiaceae, Subclass Asteridae. Origin: Native