Bucephalandra "grey" found near waterfalls!!!

First time found this Bucephalandra "grey" or "pearl gray" near some waterfalls. Well, not all are grey coloured, most of them are apple green coloured.....with tiny white spots on the blade (leaf surface), midrib & lateral veins.

This one got very round leaves.

This 2 plants growing very closed to waterfall:

The blade & lateral veins got very tiny white spots.....