helo- (marsh) +

(Greek: marsh, marshland)

helobious
Living in marshes.
helodad
A marsh plant.
helodric
A reference to a swamp thicket.
helogadophilous
In biology, dwelling and thriving in swampy woodlands.
helohylophilous
In biology, thriving in wet or swampy forests.
helolochmophilous
In biology, thriving in meadow-thicket habitats.
helolochmophyte
A meadow thicket plant.
helophile
Thriving in marshes.
helophyte
1. A perennial plant with renewal buds, commonly on rhizomes, buried in soil or mud below water level.
2. Any marsh or bog plant.
helophytic
Relating to any marsh, or bog, plant.
heloplankton
1. Plankton of a marsh, usually including relatively large floating plants.
2. The floating vegetation of a marsh.