Back Mammutbäume ALS سيكوياوات Arabic سيكوياوات ARZ Sekvoyalar Azerbaijani Mammutbäume German Mamutowe bomy DSB Sequoioideae Esperanto Sequoioideae Spanish Sekuoia Basque سرخچوب Persian
| Sequoioideae Temporal range:
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| The trunk of a Metasequoia glyptostroboides | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Gymnospermae |
| Division: | Pinophyta |
| Class: | Pinopsida |
| Order: | Cupressales |
| Family: | Cupressaceae |
| Subfamily: | Sequoioideae |
| Genera | |
Sequoioideae, commonly referred to as redwoods, is a subfamily of coniferous trees within the family Cupressaceae, that range in the northern hemisphere. It includes the largest and tallest trees in the world. The trees in the subfamily are amongst the most notable trees in the world and are common ornamental trees.