(a) Species are listed in order of increasing tolerance based on appearance as well as growth reduction.
(b) Salinities exceeding the maximum permissible ECe may cause leaf burn, loss of leaves, and/or excessive stunting.
(c) Maximum permissible ECe is unknown. No injury symptoms or growth reduction was apparent at 7 dS/m. The growth of all iceplant was increased by soil salinity of 7 dS/m.