Cyperus alternifolius

Cyperus alternifolius, the umbrella papyrus, umbrella sedge or umbrella palm, is a grass-like plant in the large genus Cyperus of the sedge family Cyperaceae.
It is frequently cultivated as an ornamental plant worldwide. It is planted in gardens in the ground, pots, in ponds, and as a houseplant.
It is propagated by dividing the roots and requires copious amounts of water.

This image does contain a Cyperus alternifolius:
Image of my Cyperus alternifolius. It does not have a name. 
This image does NOT contain a Cyperus alternifolius:
Image of my cat. His name is Richie.
Lenny