- Echinodorus Hadi Red Pearl
- Echinodorus Hansestadt Rostock
- Echinodorus harbich
- Echinodorus Harbich Green
- Echinodorus Harbich Red
- Echinodorus Harbich Rose
- Echinodorus Harbich Rot
- Echinodorus Harbii
- Echinodorus Harlekin
- Echinodorus Harmonia
- Echinodorus Hart
- Echinodorus heikobleheri Rataj
- Echinodorus heikoiana
- Echinodorus Helena
- Echinodorus Honoria
- Echinodorus Horemanii Dark Green
- Echinodorus horemanii f. bullate
- Echinodorus Horemanii From Montecarlo 1
- Echinodorus Horemanii New Red
- Echinodorus horemanii Rataj
- Echinodorus Horemanii Red
- Echinodorus horemanii schwarz
- Aquarius horizontalis (Rataj) Christenh. & Byng
- Echinodorus Horizontalis Mini
- Echinodorus horizontalis Rataj
- Echinodorus Hot Pepper
- Echinodorus humile
- Echinodorus humilis (Rich. ex Kunth) Buchenau
- Echinodorus humulus
- Echinodorus Hybrid Regina Nr. 2
- Echinodorus Hópárduc
