| 2023-10-24 | Furniture hardwood |
| 2023-05-02 | Birch relative |
| 2021-03-22 | Tree in the birch family |
| 2020-10-19 | Catkin-producing tree |
| 2018-06-22 | Wood used to make electric guitars |
| 2017-12-24 | Relative of a birch |
| 2017-03-19 | Wood that makes up the foundation of much of Venice |
| 2016-08-16 | Birch relative often used in electric guitars |
| 2016-06-26 | Tree with catkins |
| 2016-03-18 | Guitar-making wood |
| 2015-05-14 | Tree with catkins |
| 2012-04-20 | Tree with catkins |
| 2010-03-12 | Material for many electric guitar bodies |
| 2009-12-30 | Tree sacred to the Druids |
| 2009-04-14 | Tree with catkins |
| 2009-03-24 | Tree with catkins |
| 2008-05-02 | Tree with catkins |
| 2007-04-13 | Black ___ (winterberry plant) |
| 2006-06-14 | Tree with catkins |
| 2005-09-13 | Tree with catkins |
| 2003-10-21 | Tree with catkins |
| 2003-10-05 | Birch relative |
| 2003-03-23 | Tree with catkins |
| 2002-02-01 | Charcoal wood |
| 2001-09-22 | Tree with catkins |
| 2000-07-09 | Tree with tanning bark |
| 2000-03-22 | Birch relative |
| 1998-07-27 | Birch relative |
| 1997-09-02 | "Red" tree |
| 1996-09-30 | Tree of the birch family |
| 1996-03-24 | Tree in a thicket |
| 1994-10-22 | Birch |
| 1993-12-02 | Birch kin |