• family scrophulariaceae
• figwort family
• asterid dicot genus
• scrophulariaceae
• foxglove family

penstemon barbatus  penstemon linarioides  penstemon dolius  penstemon fruticosus  penstemon palmeri  penstemon cyananthus  penstemon centranthifolius  penstemon newberryi  penstemon davidsonii  penstemon deustus