| CHA | a genus of Paridae |
|---|---|
| CHA | small brown bird of California resembling a wren |
| CHA | genus of tropical herbs or subshrubs having sensitive leaves and suddenly dehiscing pods |
| CHA | tropical American plant having leaflets somewhat sensitive to the touch |
| CHA | a genus of Chamaecyparis |
| CHA | large timber tree of western North America with trunk diameter to 12 feet and height to 200 feet |
| CHA | tall evergreen of North American Pacific coast often cultivated for ornament |
| CHA | slow-growing medium-sized cedar of east coast of the United States |
| CHA | small late-flowering trees or subshrubs having yellow to red flowers and leathery or woody pods |
| CHA | shrub of Canary Islands having bristle-tipped oblanceolate leaves |
| CHA | 1 species: leatherleaf |
| CHA | north temperate bog shrub with evergreen leathery leaves and small white cylindrical flowers |