Water Hyacinth Research Network
Water hyacinth flower (Eichhornia crassipes)

Water Hyacinth Research Network

An independent scientific resource dedicated to the study, documentation, and management of Eichhornia crassipes, commonly known as water hyacinth — one of the most ecologically and economically significant invasive aquatic plants worldwide.

Explore Research TopicsBegin with Species Overview

Key Data Snapshot

Native Origin

Amazon Basin (South America)

Global Establishment

Established across multiple continents in tropical and subtropical regions.

Growth Capacity

Rapid vegetative expansion through stolons under nutrient-rich conditions.

Ecological Impact

Alters dissolved oxygen, light penetration, and freshwater biodiversity.

Management Approach

Requires integrated mechanical, chemical, and biological strategies.

Global Context

Dense water hyacinth infestation on a freshwater lake

Native to the Amazon Basin, water hyacinth has established invasive populations across Africa, Asia, North America, and parts of Europe. Under nutrient-enriched conditions, populations can expand rapidly, forming dense floating mats that alter oxygen dynamics, obstruct navigation, and disrupt fisheries and irrigation systems.

Core Research Areas

Biology & Physiology

Morphology, buoyancy structures, root systems, and adaptive traits.

Reproduction & Spread

Stolon growth, seed production, and dispersal mechanisms.

Ecological Impact

Effects on dissolved oxygen, biodiversity, and freshwater systems.

Mechanical Control

Harvesting operations, biomass logistics, and field considerations.

Chemical Management

Aquatic herbicide principles and treatment timing.

Biological Control

Weevils and integrated biological suppression strategies.

Global Distribution

Native origin, spread pathways, and major case studies.

Latest Research Updates

Biological Control of Water Hyacinth

Weevils and other biocontrol agents, mechanisms, success factors, limitations.

Updated 2026-02-27

Biology of Water Hyacinth (Eichhornia crassipes)

Plant anatomy, buoyancy adaptations, roots, flowers, and physiology of water hyacinth.

Updated 2026-02-27

Chemical Control of Water Hyacinth

Aquatic herbicide concepts, timing, selectivity, safety, and integrated planning.

Updated 2026-02-27

Research Structure & Citations

Articles are organized using structured headings, in-text citation formatting, and reference lists. Where indicated, references are pending verification and are updated as additional primary literature is reviewed.

This resource is designed to support environmental professionals, researchers, educators, and policymakers seeking structured, evidence-based information.