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| California redwood (Sequoia sempervirens); coast redwood (Sequoia sempervirens); redwood (Sequoia sempervirens); sequoia (Sequoia sempervirens) | |||
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| redwood | |||
| sequoia: 11 do fraz, 5 tematyki |
| Botanika | 1 |
| Entomologia, owadoznawstwo | 1 |
| Leśnictwo | 4 |
| Medycyna | 1 |
| Rolnictwo | 4 |