| Allegheny monkeyflower |
Mimulus ringens |
1 |
| American alpine speedwell |
Veronica wormskjoldii |
1 |
| American bluehearts |
Buchnera americana |
2 |
| American speedwell |
Veronica americana |
4 |
| Asian mazus |
Mazus pumilus |
1 |
| beach false foxglove |
Agalinis fasciculata |
5 |
| beardlip penstemon |
Penstemon barbatus |
3 |
| black senna |
Seymeria cassioides |
2 |
| bunchleaf penstemon |
Penstemon heterophyllus |
3 |
| Canadian lousewort |
Pedicularis canadensis |
4 |
| cenizo |
Leucophyllum laevigatum |
1 |
| combleaf yellow false foxglove |
Aureolaria pectinata |
1 |
| common mullein |
Verbascum thapsus |
12 |
| corn speedwell |
Veronica arvensis |
1 |
| cow-wheat |
Melampyrum lineare |
1 |
| Crandall's beardtongue |
Penstemon crandallii |
4 |
| Crandall's beardtongue |
Penstemon crandallii ssp. procumbens |
4 |
| Dalmatian toadflax |
Linaria dalmatica |
5 |
| Davidson's penstemon |
Penstemon davidsonii |
1 |
| elephanthead lousewort |
Pedicularis groenlandica |
3 |
| fernleaf yellow false foxglove |
Aureolaria pedicularia |
4 |
| field speedwell |
Veronica agrestis |
1 |
| Florida bluehearts |
Buchnera floridana |
1 |
| foxglove |
Digitalis purpurea |
4 |
| giant lousewort |
Pedicularis procera |
3 |
| giant red Indian paintbrush |
Castilleja miniata |
1 |
| hairy lousewort |
Pedicularis hirsuta |
1 |
| Hall's beardtongue |
Penstemon hallii |
1 |
| James' beardtongue |
Penstemon jamesii |
3 |
| lady's slipper |
Calceolaria tenella |
1 |
| meadow lousewort |
Pedicularis crenulata |
3 |
| monkeyflower |
Mimulus spp. |
1 |
| moth mullein |
Verbascum blattaria |
4 |
| mudmat |
Glossostigma cleistanthum |
1 |
| pink turtlehead |
Chelone lyonii |
1 |
| princesstree |
Paulownia tomentosa |
23 |
| purple false foxglove |
Agalinis purpurea |
3 |
| purple monkeyflower |
Mimulus lewisii |
2 |
| purple witchweed |
Striga hermonthica |
4 |
| royal penstemon |
Penstemon speciosus |
1 |
| Rydberg's penstemon |
Penstemon rydbergii |
3 |
| scarlet Indian paintbrush |
Castilleja coccinea |
5 |
| seep monkeyflower |
Mimulus guttatus |
1 |
| sickletop lousewort |
Pedicularis racemosa |
3 |
| sidebells penstemon |
Penstemon secundiflorus |
1 |
| smooth yellow false foxglove |
Aureolaria flava var. flava |
8 |
| speedwell |
Veronica spp. |
3 |
| Texas toadflax |
Nuttallanthus texanus |
7 |
| thymeleaf speedwell |
Veronica serpyllifolia |
6 |
| tiger beardtongue |
Penstemon mensarum |
4 |
| toadflax |
Nuttallanthus spp. |
6 |
| water mudwort |
Limosella aquatica |
1 |
| water speedwell |
Veronica anagallis-aquatica |
2 |
| wayside speedwell |
Veronica polita |
2 |
| western Indian paintbrush |
Castilleja occidentalis |
1 |
| Whipple's penstemon |
Penstemon whippleanus |
1 |
| white turtlehead |
Chelone glabra |
2 |
| wholeleaf Indian paintbrush |
Castilleja integra |
1 |
| witchweed |
Striga spp. |
2 |
| wood speedwell |
Veronica montana |
1 |
| Wyoming Indian paintbrush |
Castilleja linariifolia |
3 |
| yellow toadflax |
Linaria vulgaris |
4 |
