Sagittaria

Often found in ponds and rivers, Sagittaria is a genus of some 20 species.  Popular species include Sagittaria subulata, Sagittaria latifolia, and Sagittaria platyphylla.

dwarf-sagittaria-x-5-plantlets-live-aquatic-plant-for-aquarium Dwarf Sagittaria X 5 Plantlets - Live Aquatic Plant for Aquarium
US $3.00 (0 Bid)
End Date: Tuesday Feb-07-2012 17:40:43 PST
Add to watch list
live-fish-tank-aquarium-plant-sagittaria-subulata-x-10 Live Fish Tank Aquarium Plant: Sagittaria subulata x 10
US $12.99 (0 Bid)
End Date: Tuesday Feb-07-2012 19:54:44 PST
Add to watch list
live-fish-tank-aquarium-plant-sagittaria-subulata-x-10 Live Fish Tank Aquarium Plant: Sagittaria subulata x 10
US $14.99
End Date: Thursday Feb-23-2012 8:15:09 PST
Add to watch list

Also referred to as “Arrowhead” plants, Sagittaria look great planted midground in bunches.  These make an excellent beginner plant.