| Section | Family | Scientific Name | (Most Prevalent) Common Name | RAB Flora Synonym | NatureServe Synonym | Author | State Rank | Global Rank | State Status | US Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 5 | Trilliaceae | Trillium catesbyi
BONAP Images | Catesby's Trillium | Elliott | S4 [S5] | G4 [G5] | ||||
| 5 | Trilliaceae | Trillium cernuum BONAP Images | Northern Nodding Trillium | Trillium cernuum (in part) | L. | SRF | G5 | |||
| 5 | Trilliaceae | Trillium cuneatum
BONAP Images | Little Sweet Trillium | Trillium cuneatum var. cuneatum | Rafinesque | S3 [S4] | G4G5 | |||
| 5 | Trilliaceae | Trillium discolor
BONAP Images | Pale Yellow Trillium | Wray ex Hooker | S1 | G3 | T | |||
| 5 | Trilliaceae | Trillium erectum
BONAP Images | Red Trillium | Trillium erectum var. erectum (in part) | L. | S5 | G5 | |||
| 5 | Trilliaceae | Trillium erectum var. album BONAP Images | White-flowered Red Trillium | not in RAB | not in NatureServe | (Michaux) Pursh | SYN | G5TNR | ||
| 5 | Trilliaceae | Trillium erectum var. erectum BONAP Images | Red-flowered Red Trillium | not in RAB | not in NatureServe | L. | SYN | G5TNR | ||
| 5 | Trilliaceae | Trillium flexipes
BONAP Images | Drooping Trillium | Trillium erectum var. vaseyi (in part) | Rafinesque | S1 | G5 | T | ||
| 5 | Trilliaceae | Trillium grandiflorum
BONAP Images | Large-flowered Trillium | (Michaux) Salisbury | S5 | G5 | ||||
| 5 | Trilliaceae | Trillium lancifolium BONAP Images | Lanceleaf Trillium | Trillium lanceolatum | Rafinesque | SRF | G3 | |||
| 5 | Trilliaceae | Trillium luteum
BONAP Images | Yellow Trillium | Trillium cuneatum var. luteum | (Muhlenberg) Harbison | S2S3 [S3] | G4 | |||
| 5 | Trilliaceae | Trillium pusillum
BONAP Images | Least Trillium | Michaux | S2 | G4 | [E] | |||
| 5 | Trilliaceae | Trillium pusillum var. 4
BONAP Images | Carolina Least Trillium | not in RAB | not in NatureServe | S1 | G3TNR | SR-T | ||
| 5 | Trilliaceae | Trillium pusillum var. 5
BONAP Images | Dismal Swamp Least Trillium | not in RAB | not in NatureServe | S1 | G3TNR | SR-T | ||
| 5 | Trilliaceae | Trillium pusillum var. ozarkanum
BONAP Images | Ozark Least Trillium | not in RAB | (Palmer & Steyermark) Steyermark | S1 | G4T3 | E | ||
| 5 | Trilliaceae | Trillium pusillum var. pusillum
BONAP Images | Least Trillium | not in RAB | Michaux | S1 | G4T3 | E | ||
| 5 | Trilliaceae | Trillium pusillum var. virginianum
BONAP Images | Virginia Least Trillium | not in RAB | Fernald | SRF | G4T3 | E (--) | ||
| 5 | Trilliaceae | Trillium recurvatum
BONAP Images | Prairie Trillium | not in RAB | Beck | S1 | G5 | T | ||
| 5 | Trilliaceae | Trillium rugelii
BONAP Images | Southern Nodding Trillium | Trillium cernuum (in part) | Rendle | S3 | G4 | W1 | ||
| 5 | Trilliaceae | Trillium sessile
BONAP Images | Sessile Trillium | not in RAB | L. | S1 | G5 | T | ||
| 5 | Trilliaceae | Trillium simile
BONAP Images | Sweet White Trillium | Trillium erectum var. vaseyi (in part) | Gleason | S2 [S3] | G3 | SC-V | ||
| 5 | Trilliaceae | Trillium sulcatum
BONAP Images | Barksdale Trillium | Trillium erectum var. erectum (in part) | T.S. Patrick | S3 | G4 | |||
| 5 | Trilliaceae | Trillium underwoodii BONAP Images | Underwood's Trillium | not in RAB | Small | SRF | G4? | |||
| 5 | Trilliaceae | Trillium vaseyi
BONAP Images | Vasey's Trillium | Trillium erectum var. vaseyi (in part) | Harbison | S3? [S3] | G4 |