| Scientific Name | Status | Listing Date | Range | |
| 1. | Quercus acerifolia | EN-IUCN | 1998 | Arkansas |
| 2. | Quercus arkansana | VU-IUCN | 1998 | Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, Texas |
| 3. | Quercus basaseachicensis | EN-IUCN | 1998 | Arkansas |
| 4. | Quercus benthamii | VU-IUCN | 1998 | Guatemala, Mexico |
| 5. | Quercus boyntonii | EN-IUCN | 1998 | Alabama, Texas |
| 6. | Quercus brandegeei | EN-IUCN | 1998 | Mexico |
| 7. | Quercus buckleyi | VU-IUCN | 1998 | Oklahoma, Texas |
| 8. | Quercus bumelioides | VU-IUCN | 1998 | Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, Panama |
| 9. | Quercus cedrosensis | VU-IUCN | 1998 | Mexico |
| 10. | Quercus costaricensis | VU-IUCN | 1998 | Costa Rica |
| 11. | Quercus deliquescens | VU-IUCN | 1998 | Mexico |
| 12. | Quercus devia | VU-IUCN | 1998 | Mexico |
| 13. | Quercus dumosa | EN-IUCN | 1998 | California, Mexico |
| 14. | Quercus engelmannii | VU-IUCN | 1998 | California, Mexico |
| 15. | Quercus flagellifera | VU-IUCN | 1998 | Guatemala |
| 16. | Quercus galeanensis | VU-IUCN | 1998 | Mexico |
| 17. | Quercus georgiana | EN-IUCN | 1998 | Alabama, Georgia, South Carolina |
| 18. | Quercus germana | VU-IUCN | 1998 | Mexico |
| 19. | Quercus graciliformis | CR-IUCN | 1998 | Texas |
| 20. | Quercus hinckleyi | CR-IUCN | 1998 | Texas |
| 21. | Quercus hintonii | CR-IUCN | 1998 | Mexico |
| 22. | Quercus hintoniorum | VU-IUCN | 1998 | Mexico |
| 23. | Quercus macdonaldii | VU-IUCN | 1998 | California |
| 24. | Quercus macdougallii | VU-IUCN | 1998 | Mexico |
| 25. | Quercus miquihuanensis | EN-IUCN | 1998 | Mexico |
| 26. | Quercus oglethorpensis | EN-IUCN | 1998 | Georgia, Mississippi, South Carolina |
| 27. | Quercus purulhana | VU-IUCN | 1998 | Belize, Guatemala, Honduras, Mexico, Nicaragua |
| 28. | Quercus rapurahuensis | VU-IUCN | 1998 | Costa Rica, Panama |
| 29. | Quercus skinneri | VU-IUCN | 1998 | El Salvador, Guatemala, Honduras, Mexico |
| 30. | Quercus subspathulata | VU-IUCN | 1998 | Mexico |
| 31. | Quercus tardifolia | CR-IUCN | 1998 | Texas |
| 32. | Quercus tomentella | VU-IUCN | 1998 | California, Mexico |
| 33. | Quercus uxoris | VU-IUCN | 1998 | Mexico |
| 34. | Quercus vincentensis | VU-IUCN | 1998 | El Salvador, Mexico |
| 35. | Quercus xalapensis | VU-IUCN | 1998 | Mexico |
| Quercus acerifolia |
| Maple-leaved Oak |
| Quercus arkansana |
| Arkansas Oak |
| Quercus basaseachicensis |
| Quercus benthamii |
| Quercus boyntonii |
| Boynton Sand Post Oak |
| Quercus brandegeei |
| Quercus buckleyi |
| Texas Red Oak |
| Quercus bumelioides |
| Quercus cedrosensis |
| Quercus costaricensis |
| Quercus deliquescens |
| Quercus devia |
| Quercus dumosa |
| Coastal Sage Scrub Oak |
| Quercus engelmannii |
| Engelmann Oak |
| Quercus flagellifera |
| Quercus galeanensis |
| Quercus georgiana |
| Georgia Oak |
| Quercus germana |
| Quercus graciliformis |
| Slender Oak |
| Quercus hinckleyi |
| Hinckley's Oak |
| Quercus hintonii |
| Quercus hintoniorum |
| Quercus macdonaldii |
| Macdonald Oak |
| Quercus macdougallii |
| Quercus miquihuanensis |
| Quercus oglethorpensis |
| Oglethorpe Oak |
| Quercus purulhana |
| Quercus rapurahuensis |
| Quercus skinneri |
| Quercus subspathulata |
| Quercus tardifolia |
| Chisos Mountains Oak |
| Quercus tomentella |
| Island Oak |
| Quercus uxoris |
| Quercus vincentensis |
| Quercus xalapensis |
Facts Summary:
Quercus is a genus of plants of concern and found in the following area(s): Alabama, Arkansas, Belize, California, Costa Rica, El Salvador, Florida, Georgia, Guatemala, Honduras, Louisiana, Mexico, Mississippi, Nicaragua, Oklahoma, Panama, South Carolina, Texas.
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