Thuidium
| Thuidium | |
|---|---|
| Thuidium delicatulum | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Division: | Bryophyta | 
| Class: | Bryopsida | 
| Subclass: | Bryidae | 
| Order: | Hypnales | 
| Family: | Thuidiaceae | 
| Genus: | Thuidium Bruch & Schimp.  | 
Thuidium is a genus of moss in the family Thuidiaceae. The name comes from the genus Thuja and the Latin suffix -idium, meaning diminutive. This is due to its resemblance to small cedar trees.