Fig. 2. Proximate C composition of four wetland plants (marsh pennywort, duckweed, bulrush, and cattail) in: (a) fresh dry litter, (b) leached litter, and (c) bacterially colonized litter. Shaded bars (±1 SE; n = 4), show proportions of total the C pool from proximate contents reported by (Sarkanen and Ludwig, 1971) and (Westlake 1963).