| Ericaceae | |
Thelaia angustifolia
| Alef. | Linnaea 28: 52, t. 1, f. 7 | 1856 |
| Ericaceae | |
Thelaia aphylla
| (Sm.) Alef. | Linnaea 28: 39 | 1856 |
| Ericaceae | |
Thelaia asarifolia
| (Michx.) Alef. | Linnaea 28: 54 | 1856 |
| Ericaceae | |
Thelaia bracteosa
| Alef. | Linnaea 28: 57 | 1856 |
| Ericaceae | |
Thelaia chlorantha
| (Sw.) Alef. | Linnaea 28: 41–43 | 1856 |
| Ericaceae | |
Thelaia elliptica
| (Nutt.) Alef. | Linnaea 28: 47 | 1856 |
| Ericaceae | |
Thelaia grandiflora
| (Radius) Alef. | Linnaea 28: 68 | 1856 |
| Ericaceae | |
Thelaia media
| (Sw.) Alef. | Bot. Zeitung (Berlin) 20: 19 | 1862 |
| Ericaceae | |
Thelaia occidentalis
| (R. Br.) Alef. | Linnaea 24: 36 | 1856 |
| Ericaceae | |
Thelaia rotundifolia
| (L.) Alef. | Linnaea 28: 60–63 | 1856 |
| Ericaceae | |
Thelaia sartorii
| Alef. | Linnaea 28: 50, t. 1, f. 6 | 1856 |
| Ericaceae | |
Thelaia spathulata
| Alef. | Linnaea 28: 45 | 1856 |