TY - RPRT TI - Gas exchange characteristics of the submerged aquatic Crassulacean acid metabolism plant, Isoetes howellii AU - Jon E. Keeley AU - G. Bowes PY - 1982 DO - 10.1104/pp.70.5.1455 UR - https://pubs.usgs.gov/publication/1007548 ID - 1007548 ER -