Threatened, Endangered, and Proposed (TEP) Plant Profile
Ptilimnium nodosum, harperella
ESA Status
Visit the U.S. Fish & Wildlife Service Species Profile link below for links to listing and other USFWS documents.
- Listed Endangered 1988
- Recovery Plan 1991 (PDF, 4.5 MB)
Threats
- Dams, reservoirs, other water impoundments or diversions
- Siltation caused by heavy construction, residential development, and agriculture
- Stream acidification from mining
- Drainage of coastal plain ponds for conversion to pine plantations or row crops