| African tuliptree |
Spathodea campanulata |
2 |
| African violet |
Saintpaulia teitensis |
1 |
| alpine besseya |
Besseya alpina |
2 |
| American bluehearts |
Buchnera americana |
2 |
| American speedwell |
Veronica americana |
1 |
| American waterwillow |
Justicia americana |
2 |
| angelwing jasmine |
Jasminum nitidum |
1 |
| ash |
Fraxinus angustifolia ssp. oxycarpa |
4 |
| ash |
Fraxinus spp. |
2 |
| beach false foxglove |
Agalinis fasciculata |
2 |
| beardlip penstemon |
Penstemon barbatus |
1 |
| Bengal trumpet |
Thunbergia grandiflora |
1 |
| black ash |
Fraxinus nigra |
2 |
| black poui |
Jacaranda mimosifolia |
1 |
| blue ash |
Fraxinus quadrangulata |
3 |
| blueflower butterwort |
Pinguicula caerulea |
3 |
| border privet |
Ligustrum obtusifolium |
6 |
| botellita |
Mitraria coccinea |
1 |
| Browne's blechum |
Blechum pyramidatum |
1 |
| bunchleaf penstemon |
Penstemon heterophyllus |
2 |
| California privet |
Ligustrum ovalifolium |
7 |
| Canada toadflax |
Nuttallanthus canadensis |
3 |
| Canadian lousewort |
Pedicularis canadensis |
3 |
| capitate lousewort |
Pedicularis capitata |
1 |
| Caribbean trumpet-tree |
Tabebuia aurea |
2 |
| Carolina ash |
Fraxinus caroliniana |
7 |
| catclaw-vine |
Macfadyena unguis-cati |
1 |
| Chinese catalpa |
Catalpa ovata |
1 |
| Chinese fringetree |
Chionanthus retusus |
2 |
| Chinese privet |
Ligustrum sinense |
27 |
| common lilac |
Syringa vulgaris |
2 |
| common mullein |
Verbascum thapsus |
20 |
| Crandall's beardtongue |
Penstemon crandallii |
1 |
| Crandall's beardtongue |
Penstemon crandallii ssp. procumbens |
1 |
| crested Philippine violet |
Barleria cristata |
1 |
| crossvine |
Bignonia capreolata |
3 |
| cyrtandra |
Cyrtandra spp. |
3 |
| Dalmatian toadflax |
Linaria dalmatica |
11 |
| dalmatian toadflax |
Linaria dalmatica ssp. dalmatica |
1 |
| devilwood |
Osmanthus americanus |
10 |
| Dwarf Korean lilac |
Syringa meyeri |
1 |
| elephanthead lousewort |
Pedicularis groenlandica |
3 |
| European ash |
Fraxinus excelsior |
10 |
| European privet |
Ligustrum vulgare |
6 |
| flaxleaf false foxglove |
Agalinis linifolia |
2 |
| Florida bluehearts |
Buchnera floridana |
2 |
| flowering ash |
Fraxinus ornus |
13 |
| Fortune's osmanthus |
Osmanthus x fortunei |
1 |
| fringeleaf wild petunia |
Ruellia humilis |
2 |
| front range beardtongue |
Penstemon virens |
1 |
| globifera |
Micranthemum umbrosum |
3 |
| glossy privet |
Ligustrum lucidum |
31 |
| green ash |
Fraxinus pennsylvanica |
10 |
| Harbour's beardtoungue |
Penstemon harbourii |
1 |
| Hawai'i olive |
Nestegis sandwicensis |
9 |
| hophead Philippine violet |
Barleria lupulina |
4 |
| ivyleaf speedwell |
Veronica hederifolia |
3 |
| James' beardtongue |
Penstemon jamesii |
1 |
| Japanese privet |
Ligustrum japonicum |
5 |
| jasmine |
Jasminum spp. |
2 |
| jazmin de trapo |
Jasminum fluminense |
4 |
| lanceleaf figwort |
Scrophularia lanceolata |
2 |
| littleflower penstemon |
Penstemon procerus |
1 |
| looseflower water-willow |
Justicia ovata var. lanceolata |
2 |
| lousewort |
Pedicularis spp. |
1 |
| meadow lousewort |
Pedicularis crenulata |
1 |
| mohintli |
Justicia spicigera |
1 |
| moth mullein |
Verbascum blattaria |
8 |
| mudmat |
Glossostigma cleistanthum |
1 |
| mullein |
Verbascum spp. |
7 |
| mullein foxglove |
Dasistoma macrophylla |
1 |
| naio |
Myoporum sandwicense |
6 |
| northern catalpa |
Catalpa speciosa |
1 |
| oblongleaf snakeherb |
Dyschoriste oblongifolia |
3 |
| olive |
Olea europaea |
7 |
| Persian lilac |
Syringa x persica |
1 |
| Persian Shield |
Strobilanthes dyerianus |
1 |
| pink trumpet-tree |
Tabebuia rosea |
8 |
| pink turtlehead |
Chelone lyonii |
1 |
| princesstree |
Paulownia tomentosa |
28 |
| privet |
Ligustrum spp. |
7 |
| redrattle |
Pedicularis flammea |
1 |
| Rocky Mountain penstemon |
Penstemon strictus |
1 |
| scarlet Indian paintbrush |
Castilleja coccinea |
2 |
| seep monkeyflower |
Mimulus guttatus |
2 |
| shamel ash |
Fraxinus uhdei |
8 |
| sharppoint fluvellin |
Kickxia elatine |
1 |
| singleleaf ash |
Fraxinus anomala |
2 |
| small butterwort |
Pinguicula pumila |
2 |
| smooth yellow false foxglove |
Aureolaria flava var. flava |
5 |
| southern catalpa |
Catalpa bignonioides |
11 |
| speedwell |
Veronica spp. |
1 |
| stretchberry |
Forestiera pubescens |
3 |
| sudetic lousewort |
Pedicularis sudetica |
1 |
| sweet osmanthus |
Osmanthus fragrans |
1 |
| Texas toadflax |
Nuttallanthus texanus |
3 |
| thymeleaf speedwell |
Veronica serpyllifolia |
5 |
| tiger beardtongue |
Penstemon mensarum |
2 |
| toadflax |
Linaria spp. |
2 |
| toadflax |
Nuttallanthus spp. |
12 |
| trumpetcreeper |
Campsis radicans |
11 |
| water speedwell |
Veronica anagallis-aquatica |
1 |
| wayside speedwell |
Veronica polita |
1 |
| white ash |
Fraxinus americana |
4 |
| white fringetree |
Chionanthus virginicus |
5 |
| white turtlehead |
Chelone glabra |
2 |
| wild petunia |
Ruellia caroliniensis |
2 |
| Wyoming Indian paintbrush |
Castilleja linariifolia |
2 |
| yellow toadflax |
Linaria vulgaris |
2 |
| yellow unicorn-plant |
Ibicella lutea |
2 |
| Zebra Plant |
Aphelandra squarrosa |
1 |
