| Abbreviation | Definition |
|---|---|
| TP | Thermo Plankton |
| TP | turgor pressure |
| TPCC | Timber Productivity Capability Classification |
| TPJ | The Plant Journal |
| TPMR | Theoretical Photosynthetic Maximum Rate |
| TRAFFIC | Trade Record Analysis of Flora and Fauna In Commerce |
| TRED | Taxonomic Resources and Expertise Directory |
| TRF | Tropical Rain Forest |
| TRL | Tree-Ring Laboratory |
| TROPEX | TROpical & EXotic |
| TS | Top Soil |
| TSCB | The Screaming Cherry Blossoms |
| TSM | Total Soil Management |
| TSR | Total Species Richness |
| TSV | Taura Syndrome Virus |
| TT | Traveler Tree |
| TT | Tree Trunk |
| TVC | Total Vegetation Control |
| TVH | Twisted Vine Holt |
| TW | Temperate Woodland |