from the product description.
Helxine (Soleirolia) soleirolii - Baby Tears Baby Tears is an old-fashioned moss-like creeping plant with tiny, round, deep green leaves. It prefers bright, indirect light. It grows about 4" tall and can spread as far as it has room to spread. Keep it evenly moist. Great houseplant! Great terrarium plant.
Baby Tears in planted aquariums are tipically sold as HC (Hemianthus Callichtroides) or HM (Hemianthus Micranthemum)
Fluval Spec III Shelf!
"C'mon, they're just plants, man, no big deal -- try some"