Class
            
       
               Order
            
       
               Family
            
        
								 
								 
							Annual herbs. Lvs 2–3-pinnatisect, alternate. Capitula in corymbs or often solitary, terminal, pedunculate; involucral bracts in 2–3 rows, with membranous margins. Receptacle conic; scales 0. Outer florets ♀ and ligulate, or ☿ and tubular; ligules white; inner florets ☿, tubular. Achenes usually all similar, terete, mucilaginous when wet; ribs 3–10, strongly developed on inner surface; pappus a small corona or 0.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
| Category | Number | 
|---|---|
| Exotic: Fully Naturalised | 1 | 
| Exotic: Casual | 1 | 
| Total | 2 |