stagnalis,-is,-e from L. stagnalis (from L. stagnum, slowly floating or stagnant water), of stagnant water: growing in stagnant or slowly floating water, growing in pools
 
89626 396592 Erica stagnalis Salisb. W. Curtis, Bot. Mag., vol. 45 : t. 1984 (1818) [n.a.]
 
377252 868339 Ranunculus stagnalis Hochst. ex A. Rich. Fl. Congo Belge, vol. 2 : p. 179, t. 14 (1951) [M. Collin]