This perennial sedge produces clumps of very narrow, triangular stems lined with thin leaves.

This is a mat-forming perennial herb producing clumps of short, erect leaves and stems.

It produces single stems or clumps of thick, fleshy stems which grow up to 1.5 meters tall.

This is a perennial herb producing small clumps of erect stems up to about 40 centimeters.

It is an annual herb producing clumps of slender, erect stems up to 25 centimeters tall.

This is a perennial sprouting from a corm and producing clumps of long, narrow leaves.

Plants are upright or sometimes ascending, growing to 1.5 meters tall, producing single or multi-stemmed clumps.

The female plants produce clumps of tiny berries.

This is an annual herb producing clumps of spreading hairless green stems which are intricately branched.

This bulrush produces clumps of upright or leaning stems from a fibrous rhizome.