Invasive Trees and Plants That Grow in American Samoa

American Samoa’s lowland and cloud forests face pressure from invasive trees that suppress native regeneration and destabilize watersheds.

Key Invasive Trees (Examples)

• African tulip tree (Spathodea campanulata) – Shades out native seedlings.
• Albizia (Falcataria moluccana) – Weak-wooded and disruptive to native forest structure.

Native Replacement Guide

• Tamanu (Calophyllum inophyllum)
• Tavai (Pometia pinnata)
• Fetau (Calophyllum inophyllum)

Pacific Islands Cluster

• Hawaiʻi
• Guam
• CNMI