Website with Additional Information about
Halophila johnsonii and other seagrasses
CNN.com Sci-Tech Story Page. Ocean Round-up: Updates to recent stories.
http://www.cnn.com/TECH/science/9811/02/roundup.yoto/.
Dineen, J., Smithsonian Marine Station at Fort Pierce. Species Report: Johnson’s Seagrass (Halophila johnsonii).
http://www.sms.si.edu/irlspec/Haloph_johnso.htm.
Florida Keys National Marine Sanctuary. Sanctuary Resources: Florida’s Seagrasses.
http://www.fknms.nos.noaa.gov/sanctuary_resources/moregrass.html.
Florida Oceanographic Society. Johnson’s Seagrass (Halophila johnsonii).
http://www.floridaoceanographic.org/environ/seagrass5.htm.
Indian River Lagoon National Estuary Program. Home page.
http://sjr.state.fl.us/programs/outreach/irlnep/irlnep.html.
Institute for Systematic Botany, University of South Florida. Atlas of Florida Vascular Plants: Halophila johnsonii.
http://www.plantatlas.usf.edu/main.asp?plantID=1228#.
National Marine Fisheries Service, Southeast Region-Protected Resources Division. Fact Sheet about Johnson’s Seagrass (Halophila johnsonii).
http://caldera.sero.nmfs.gov/protect/jsg_fact.htm.
National Parks Conservation Association Newsletter. Splendor is a Grass.
http://www.npca.org/magazine/2001/november_december/rare_endangered.asp.
Office of Protected Resources, NOAA Fisheries, and National Marine Fisheries Service. Johnson’s Seagrass (Halophila johnsonii): Threatened Species.
http://www.nmfs.noaa.gov/prot_res/species/plants/Johnsons.html.
Rey, Jorge R., and C. Roxanne Rutledge. Seagrass beds of the Indian River Lagoon. University of Florida Cooperative Extension Services, Institute of Food and Agricultural Sciences Document ENY-647. http://edis.ifas.ufl.edu/BODY_IN189.
Southeastern Rare Plant Network. Species Profile: Halophila johnsonii.
http://www.serpin.org/cfm/plantdetail.cfm?plantID=202.
St. Lucie Waterfront Council. Home page.
http://stlwaterfrontcouncil.org.
U.S. Army Corps of Engineers. Dock Construction Guidelines.
http://www.saj.usace.army.mil/permit/hot_topics/Dock_Guidelines/dockindex.htm.
U.S. Army Corps of Engineers. Marine Contractor Workshop powerpoint presentation.
http://www.saj.usace.army.mil/permit/powerpoint/johnsons_seagrass_files/frame.htm
U.S. Fish and Wildlife Service. Species profile details for Johnson’s Seagrass (Halophila johnsonii).
https://ecos.fws.gov/species_profile/SpeciesProfile?spcode=Q3AL#status.
University of Florida: Aquaphyte Online Newsletter. Johnson’s Seagrass Listed as Threatened.
http://aquat1.ifas.ufl.edu/aq-w99-4.html.
University of South Florida. Seagrass Species Profiles.
http://www.flmnh.ufl.edu/fish/southflorida/seagrass/profiles.html#johnson.
eFloras website. Flora of North America
http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=222000078
Florida Department of Environmental
Protection. Coastal Habitats.
http://www.dep.state.fl.us/coastal/habitats/seagrass/
NOAA Fisheries. Office of Protected Resources.
http://www.nmfs.noaa.gov/pr/species/plants/johnsonsseagrass.htm
Fish and Wildlife Research Institute. Photo Gallery