Haussknechtia
(tree size 1)
Nothosmyrnium
(tree size 6)
Psammogeton
(tree size 16)
Zeravschania
(tree size 15)
Arafoe
(tree size 1)
Opsicarpium
(tree size 1)
Macrochlaena
Platyrhaphe
(tree size 1)