Tropica Hemianthus callitrichoides 'Cuba' Live Aquarium Plant - in Vitro Tissue Culture 1-2-Grow! Hemianthus callitrichoides 'Cuba' In Vitro Tissue Culture Live Aquarium Plant Great for foreground zones and small planted aquariums. Grown through clean Tissue Culture process - No Pests. Several plants per cup (Approximately 2 inches in diameter). UPC/EAN 5703249048271