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spread the word, not the weed! - UCSC EEB
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spread the word, not the weed! - UCSC EEB
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deck before moving to a new location. DIVERS: Plan your dives to visit ... GPS LOCATION DEPTH PHOTOGRAPH (if possible).
SPREAD THE WORD, NOT THE WEED!
DEVIL WEED
Sargassum horneri
Southern California’s worst ocean invader
Devil weed is replacing native kelp beds and threatening the species that rely on them.
BOATERS AND DIVERS CAN HELP REDUCE THE SPREAD!
© www.tomboydimages.com
BOATERS:
DIVERS:
Avoid navigating through seaweed infested areas* or at least consider these no wake zones to minimize the spread of seaweed fragments.
Plan your dives to visit uninfested sites* first.
Remove seaweed fragments from your anchor and deck before moving to a new location.
Remove seaweed fragments from yourself, your gear and boat deck after a dive.
* View map of infested sites at MarineInvasives.org
LEARN TO IDENTIFY DEVIL WEED & REPORT SIGHTINGS ( on reverse )
REPORT SIGHTINGS OF DEVIL WEED MarineInvasives.org (website) or i Naturalist.org (phone app) GPS LOCATION DEPTH PHOTOGRAPH (if possible)
DEV IL WEED
WIRE WEED
Sargassum horneri
Sargassum muticum
Young
Be careful not to confuse FERN-LIKE BRANCHES
RADIATING BRANCHES
Devil Weed with its relative,
Immature
Wire Weed!
ROUND FLOATS
Mature
OVAL FLOATS
TEAR-DROP RECEPTACLES
ELONGATED RECEPTACLES
*** SPREAD THE WORD, NOT THE WEED ***
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