USACE Safeguarding Ecosystems in the Antilles - Humacao Natural Reserve, Río Antón Ruíz restoration project
The Río Antón Ruíz, HNR system is critical to the area since it has unique features that support several native protected species. United States Department of Agriculture Natural Resource Conservation Service plant database listed Pterocarpus officinalis as a plant that is not located anywhere in the United States except for Puerto Rico. (USACE photos by USACE Jacksonville District Supplemental team)