| African milkweed |
Asclepias fruticosa |
3 |
| antelopehorns |
Asclepias asperula ssp. capricornu |
9 |
| aquatic milkweed |
Asclepias perennis |
5 |
| autumn dwarf gentian |
Gentianella amarella ssp. acuta |
1 |
| balloon cottonbush |
Asclepias physocarpa |
6 |
| big periwinkle |
Vinca major |
16 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
25 |
| bloodflower milkweed |
Asclepias curassavica |
1 |
| butterfly milkweed |
Asclepias tuberosa |
64 |
| Carolina milkweed |
Asclepias cinerea |
3 |
| climbing dogbane |
Trachelospermum difforme |
2 |
| closed bottle gentian |
Gentiana andrewsii |
2 |
| common milkweed |
Asclepias syriaca |
23 |
| common periwinkle |
Vinca minor |
22 |
| confederate jasmine |
Trachelospermum jasminoides |
3 |
| Dane's dwarf gentian |
Gentianella tenella |
6 |
| desert-rose |
Adenium obesum |
2 |
| devil's-pepper |
Rauvolfia sandwicensis |
12 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
25 |
| eastern bluestar |
Amsonia tabernaemontana |
5 |
| eastern whorled milkweed |
Asclepias verticillata |
8 |
| elkweed |
Frasera speciosa |
8 |
| European centaury |
Centaurium erythraea |
1 |
| felwort |
Swertia perennis |
3 |
| fourleaf milkweed |
Asclepias quadrifolia |
10 |
| fringed bluestar |
Amsonia ciliata |
8 |
| fringed bluestar |
Amsonia ciliata var. tenuifolia |
13 |
| gentian |
Gentiana brachyphylla |
1 |
| giant milkweed |
Calotropis gigantea |
5 |
| golden trumpet |
Allamanda cathartica |
4 |
| greater fringed gentian |
Gentianopsis crinita |
11 |
| green antelopehorn |
Asclepias viridis |
6 |
| green milkweed |
Asclepias viridiflora |
1 |
| hammock viper's-tail |
Pentalinon luteum |
1 |
| harvestbells |
Gentiana saponaria |
1 |
| hemp dogbane |
Apocynum cannabinum |
25 |
| honeyvine swallowwort |
Cynanchum laeve |
1 |
| hoya |
Hoya spp. |
4 |
| Indian pink |
Spigelia marilandica |
10 |
| island yellowwood |
Ochrosia haleakalae |
22 |
| largeflower milkweed |
Asclepias connivens |
23 |
| lavaslope centaury |
Centaurium sebaeoides |
11 |
| lesser fringed gentian |
Gentianopsis virgata |
2 |
| luckynut |
Thevetia peruviana |
2 |
| Madagascar periwinkle |
Catharanthus roseus |
11 |
| Madagascar rubbervine |
Cryptostegia madagascariensis |
37 |
| maile |
Alyxia oliviformis |
9 |
| Mandevilla |
Mandevilla spp. |
2 |
| marsh felwort |
Lomatogonium rotatum |
11 |
| marsh rose gentian |
Sabatia dodecandra |
1 |
| Mexican whorled milkweed |
Asclepias fascicularis |
10 |
| Michaux's milkweed |
Asclepias michauxii |
40 |
| milkweed |
Asclepias spp. |
2 |
| miracle fruit |
Gymnema sylvestre |
1 |
| natal-plum |
Carissa macrocarpa |
6 |
| nosegaytree |
Plumeria alba |
4 |
| oleander |
Nerium oleander |
13 |
| Oregon timwort |
Cicendia quadrangularis |
5 |
| Palay rubbervine |
Cryptostegia grandiflora |
1 |
| Parry's gentian |
Gentiana parryi |
1 |
| pineland milkweed |
Asclepias obovata |
11 |
| pinewoods milkweed |
Asclepias humistrata |
8 |
| pleated gentian |
Gentiana affinis |
4 |
| plumeria |
Plumeria spp. |
1 |
| purple milkweed |
Asclepias purpurascens |
5 |
| purpleflower pinkroot |
Spigelia gentianoides var. alabamensis |
1 |
| Rainier pleated gentian |
Gentiana calycosa |
4 |
| redring milkweed |
Asclepias variegata |
11 |
| Rocky Mountain fringed gentian |
Gentianopsis thermalis |
5 |
| roostertree |
Calotropis procera |
2 |
| rosepink |
Sabatia angularis |
15 |
| rubbervine |
Cryptostegia spp. |
1 |
| shallow-wort |
Cynanchum spp. |
20 |
| shortleaf rose gentian |
Sabatia brevifolia |
21 |
| showy milkweed |
Asclepias speciosa |
8 |
| Singapore graveyard flower |
Plumeria obtusa |
1 |
| slender rose gentian |
Sabatia campanulata |
7 |
| spider milkweed |
Asclepias asperula |
2 |
| spreading dogbane |
Apocynum androsaemifolium |
20 |
| spring gentian |
Gentiana verna |
2 |
| striped gentian |
Gentiana villosa |
8 |
| swamp milkweed |
Asclepias incarnata |
6 |
| templetree |
Plumeria rubra |
17 |
| Texas bluestar |
Amsonia ciliata var. texana |
11 |
| Texas star |
Sabatia campestris |
9 |
| trumpet gentian |
Gentiana clusii |
4 |
| Virginia pennywort |
Obolaria virginica |
1 |
| wavyleaf twinevine |
Funastrum crispum |
18 |
| western whorled milkweed |
Asclepias subverticillata |
7 |
| white bladderflower |
Araujia sericifera |
4 |
| whitish gentian |
Gentiana algida |
13 |
| willow gentain |
Gentiana asclepiadea |
1 |
| windmill fringed gentian |
Gentianopsis detonsa ssp. detonsa |
11 |
| yellow jessamine |
Gelsemium sempervirens |
19 |
| zizotes milkweed |
Asclepias oenotheroides |
8 |
| Zulu giant |
Stapelia gigantea |
1 |
