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Key to Salviniaceae

Salviniaceae

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(c) Cressler, Alan M.
1 Leaves < 1 mm long, reddish or green, without hairs on the upper surface; leaves alternate, all floating
(c) Wright, Janet - CC-BY-NC, permission granted to NCBG
1 Leaves 5-50 mm long, bright green, with obvious hairs on the upper surface; leaves in whorls of 3 (but appearing paired: 2 orbicular floating leaves and 1 submersed and highly divided)