| Taxon |
Family |
Common Name |
Photograph |
| Asclepias tuberosa L. subsp. interior Woodson |
Asclepiadaceae |
butterfly milkweed, butterfly-weed, orange milkweed |
|
| Belamcanda chinensis (L.) DC. |
Iridaceae |
blackberry-lily, leopard-flower |
|
| Bidens discoidea (Torr. & A.Gray) Britton |
Asteraceae |
few-bracted beggar-ticks, swamp beggar-ticks |
|
| Corallorhiza striata Lindl. var. striata |
Orchidaceae |
hooded coralroot, striped coralroot |
|
| Corydalis sempervirens (L.) Pers. |
Fumariaceae |
pink and yellow corydalis, pale corydalis, rock harlequin |
|
| Eschscholzia californica Cham. |
Papaveraceae |
California poppy |
|
| Hemerocallis fulva (L.) L. |
Liliaceae |
orange daylily, tawny daylily |
|
| Hieracium aurantiacum L. |
Asteraceae |
devil's-paintbrush, grim-the-collier, orange hawkweed, red daisy |
|
| Impatiens capensis Meerb. |
Balsaminaceae |
orange jewelweed, orange touch-me-not, spotted touch-me-not |
|
| Ipomopsis rubra (L.) Wherry |
Polemoniaceae |
standing-cypress |
|
| Lactuca hirsuta Muhl. ex Nutt. var. sanguinea (Bigelow) Fernald |
Asteraceae |
[Excluded] hairy lettuce |
|
| Lilium lancifolium Thunb. |
Liliaceae |
lance-leaf tiger lily, tiger lily |
|
| Lilium michiganense Farw. |
Liliaceae |
Michigan lily, Turk's-cap lily |
|
| Lilium philadelphicum L. |
Liliaceae |
orange-cup lily, wood lily |
|
| Ratibida columnifera (Nutt.) Wooton & Standl. |
Asteraceae |
columnar coneflower, long-headed coneflower |
|
| Rudbeckia fulgida Aiton var. speciosa (Wender.) Perdue |
Asteraceae |
eastern coneflower, orange coneflower, showy coneflower |
|
| Silene chalcedonica (L.) E.H.L.Krause |
Caryophyllaceae |
Maltese cross, scarlet lychnis |
|
| Tagetes patula L. |
Asteraceae |
French marigold |
|
| Tanacetum huronense Nutt. |
Asteraceae |
eastern tansy, Lake Huron tansy |
|
| Triadenum virginicum (L.) Raf. |
Hypericaceae |
Virginia marsh St. John's-wort |
|
| Triosteum aurantiacum E.P.Bicknell |
Caprifoliaceae |
early horse-gentian, orange-fruit horse-gentian |
|
| Triosteum aurantiacum E.P.Bicknell var. aurantiacum |
Caprifoliaceae |
early horse-gentian, orange-fruit horse-gentian |
|
| Triosteum aurantiacum E.P.Bicknell var. illinoense (Wiegand) E.J.Palmer & Steyerm. |
Caprifoliaceae |
Illinois horse-gentian, orange-fruit horse-gentian |
|