| Subject |
|---|
| QUEMA CONTROLADA [1] |
| Quercus borealis [1] |
| Quercus cerris [1] |
| Quercus coccinea [1] |
| Quercus falcata [2] |
| Quercus frainetto [1] |
| Quercus palustris [1] |
| Quercus petraea [1] |
| Quercus pubescens [1] |
| Quercus robur [1] |
| Quercus sessiliflora [1] |
| Quercus spp. [1] |
| Quillaja saponaria [8] |
| Quillaja saponaria Mol. [1] |