1 genus
4 species, 0 subspecies and varieties
	
   
  
  
    
 – narrow-leaf cat-tail
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho; native from the Great Plains to the Atlantic Coast; also in Eurasia.
Habitat: Shallow, quiet to slow-moving water.
Origin: Introduced from Europe and/or eastern North America
Flowers: May-August
Growth Duration: Perennial
 
 – southern cat-tail
Distribution: Occurring on both sides of the Cascades crest in Washington; also from California east across the southern half of the U.S. to the Atlantic Coast.
Habitat: Shallow, quiet to slow-moving water.
Origin: Introduced from central and South America
Flowers: May-August
Growth Duration: Perennial
 
 – smooth cat-tail
Distribution: Occurring on both sides of the Cascades crest in Washington; also occurring in scattered locations in Montana and elsewhere in the U.S.
Habitat: Shallow, quiet to slow-moving water.
Origin: Introduced
Flowers: May-September
Growth Duration: Perennial
 
 – broad-leaf cat-tail, common cattail
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North Americca to the Atlantic Coast.
Habitat: Marshes, ponds and shallow slow-flowing water, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: June-July
Growth Duration: Perennial