Flame Moss Mat1 5x3 inch Flame Moss Mat per order. Flame Moss (Taxiphyllum sp. 'Flame') is a distinctive aquarium moss prized for its vertical, flame like growth pattern. Unlike most mosses that spread outward, Flame Moss grows upward in twisting spirals that resemble flickering flames. Offered as a pre grown mat, its ready to place directly in your aquarium, making it easy to add a lush, structured carpet or attachable feature without the hassle of tying it