More people are switching to live Christmas trees this season. A 2021 survey by the Christmas Tree Promotion Board (CTPB) revealed almost 90% of people who last year bought artificial Christmas trees ...

We investigated the variation and short-term evolution of the selfing rate and inbreeding depression (ID) across three generations within a cedar forest that was established from admixture ca 1860.

Photo taken on April 18, 2021 shows cedar tree in Maaser El Shouf forest, Lebanon. The Lebanese have always taken pride in their cedar tree, or Cedrus libani, which presents in the middle of their ...