| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Faial | | 344165354 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Corvo | | 313758510 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Corvo | | 313758508 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Flores | | 313758506 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Sao Jorge | | 313758504 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Sao Jorge | | 313758502 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Sao Jorge | | 313758500 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Faial | | 313758498 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Pico | | 313758496 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Pico | | 313758494 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Pico | | 313758492 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Terceira | | 313758490 |
| euphorbia stygiana subsp. stygiana | | Portugal: Azores, Sao Miguel | | 313758488 |