Species:
     Bacopa rotundifolia   (water-hyssop)
     Chaenorhinum minus   (dwarf snapdragon)
     Collinsia parviflora   (blue-eyed Mary)  (8 images)
     Gratiola ebracteata   (bractless hedge-hyssop)
     Gratiola neglecta   (common or clammy hedge-hyssop)  (6 images)
     Linaria dalmatica ssp. dalmatica   (Dalmatian toadflax)
     Penstemon albertinus   (Alberta penstemon)  (5 images)
     Penstemon attenuatus var. militaris   (taperleaf or south Idaho penstemon)  (8 images)
     Penstemon cusickii   (Cusick's penstemon)  (6 images)
     Penstemon deustus var. deustus   (hotrock penstemon)  (3 images)
     Penstemon eatonii var. eatonii   (firecracker or Eaton's penstemon)  (4 images)
     Penstemon fruticosus var. fruticosus   (shrubby penstemon)  (6 images)
     Penstemon humilis var. humilis   (lowly penstemon)
     Penstemon laxus   (tufted penstemon, Idaho beardtongue, loose penstemon)
     Penstemon palmeri var. palmeri   (Palmer's penstemon)  (8 images)
     Penstemon payettensis   (Payette penstemon)  (7 images)
     Penstemon perpulcher   (Minidoka or most beautiful penstemon)  (8 images)
     Penstemon wilcoxii   (Wilcox's penstemon)  (5 images)
     Plantago arenaria   (sand plantain)
     Plantago lanceolata   (narrowleaf or English plantain)
     Plantago major   (common plantain)
     Plantago patagonica   (woolly plantain, Indian-wheat)  (7 images)
     Synthyris missurica ssp. missurica   (mountain kittentails)  (17 images)
     Veronica americana   (American speedwell or brooklime)  (10 images)
     Veronica anagallis-aquatica   (water speedwell)
     Veronica arguteserrata   (bilobed or twolobe speedwell)
     Veronica arvensis   (field or corn speedwell)
     Veronica catenata   (chain speedwell)
     Veronica hederifolia   (ivyleaf speedwell)
     Veronica peregrina var. xalapensis   (purslane speedwell, neckweed)  (2 images)
     Veronica persica   (Persian or birdeye speedwell)
     Veronica polita   (grey field speedwell, wayside speedwell)
     Veronica serpyllifolia var. humifusa   (bright-blue speedwell)
     Veronica serpyllifolia var. serpyllifolia   (thymeleaf speedwell)
     Veronica triphyllos   (finger speedwell)
     Veronica wormskjoldii   (American alpine speedwell)