Name: Common: US Fissidens Scientific: Fissidens fonatus AKA: Phoenix Moss Difficulty: Easy Light requirements: Low to high Type: Ferns & mosses Temperature: 22 – 30c pH: 6.0 – 8.0 Country of Origin: America CO2: Not required Substrate: Not applicable. Filtration/Circulation: Tolerates high/ low or no flow, but best effect with low flow. Position in tank: