Tropica Taxiphyllum barbieri Live Aquarium Moss - in Vitro Tissue Culture 1-2-Grow! Taxiphyllum barbieri In Vitro Tissue Culture Live Aquarium Moss. Great for foreground zones, freshwater dwarf shrimp, and tied to driftwood/decorations. Grown through clean Tissue Culture process - No Pests. Approximately 2 inches in diameter portion. UPC/EAN 5703249803047