In botany terms the difference between pollination and hydrogamy
is that pollination is the transfer of pollen from an anther to a stigma; effected by insects, birds, bats and the wind etc while hydrogamy is pollination by means of water.
pollination
Noun
(
en noun)
(botany) the transfer of pollen from an anther to a stigma; effected by insects, birds, bats and the wind etc.
Derived terms
* cross-pollination
* self pollination
hydrogamy
English
Noun
(-)
(botany) pollination by means of water