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Green Seaweed ( Ulva sp.) The genera of sea lettuces also includes this filamentous delicate green seaweed. Whole fronds were made of thin green filmy flat bodies, making soft clumps on rocks. These were seen at the mouth of a river in the inter-tidal zone. <br /> If nutrient level increases in water due to pollution, their growth increases to a &quot;nuisance&quot; level where they form green macroalgal blooms.<br /> This sea weed is used as a sea vegetable by many island populations and is harvested for cosmetics. Australia,Geotagged,Sea lettuce (rigid),Summer,Ulva rigida,green seaweed Click/tap to enlarge

Green Seaweed ( Ulva sp.)

The genera of sea lettuces also includes this filamentous delicate green seaweed. Whole fronds were made of thin green filmy flat bodies, making soft clumps on rocks. These were seen at the mouth of a river in the inter-tidal zone.
If nutrient level increases in water due to pollution, their growth increases to a "nuisance" level where they form green macroalgal blooms.
This sea weed is used as a sea vegetable by many island populations and is harvested for cosmetics.

    comments (5)

  1. View Mark Ridgway's profile
    Mark Ridgway
    Lion
    View Lion class
    Check species... http://www.seaweed.ie/descriptions/ulva_rigida.php Posted 9 years ago
    1. View WildFlower's profile
      WildFlower
      Lion
      View Lion class
      It doesn't look like this one either.
      http://www.algaebase.org/search/species/detail/?species_id=40       Posted 9 years ago
  3. View Leuba Ridgway's profile
    Leuba Ridgway
    Lion
    View Lion class
    The web site I initially referred to is "under maintenance". So, I am unable to review this now. I might have to look for more fresh specimens and study the margins which are said to be toothed. Could I please leave it as U.rigida for now and get back to it later ? Posted 9 years ago
    1. View WildFlower's profile
      WildFlower
      Lion
      View Lion class
      I usually prefer to leave doubtful ones unidentified. It's easier to go back to them from the list.
      http://www.jungledragon.com/user/2767/unidentified or
      http://www.jungledragon.com/all/unidentified       Posted 9 years ago
  5. View Leuba Ridgway's profile
    Leuba Ridgway
    Lion
    View Lion class
    I agree with you WildFlower. I will leave it at the genus level. Posted 9 years ago

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View Leuba Ridgway's profile

By Leuba Ridgway

All rights reserved
Uploaded Mar 18, 2016. Captured Feb 14, 2013 18:19 in 220 Mouth Of Powlett Rd, Dalyston VIC 3992, Australia.
country flag of Australia Explore Australia 13,077 4,175 3
  • SZ-10
  • f/3.7
  • 10/3200s
  • ISO64
  • 10.99mm
Captured in the summer. More summer photos.