TY  - RPRT
TI  - Crassulacean acid metabolism in the seasonally submerged aquatic Isoetes howellii
AU  - Jon E. Keeley
PY  - 1983
DO  - 10.1007/bf00384542
UR  - https://pubs.usgs.gov/publication/1007646
ID  - 1007646
ER  -