Skip to main content

Auxiliary menu

  • Contact us
  • Careers
  • Volunteer
  • News
  • Membership

Follow us

  • Facebook
  • Instagram
Home

Main navigation

  • Our work
    Common carder bumblebee - Wildnet / Nick Upton

    Common carder bumblebee - Wildnet / Nick Upton

    We are the county’s leading conservation charity, committed  to protecting wildlife and inspiring a lifelong love of nature. We manage nature reserves and discovery parks across the county,  providing outstanding outdoor education and preserving places of wonder.

    • About us
    • Our people
    • Latest news
    • Conservation projects
    • Wilder learning
    • Venue Hire
  • Wildlife
    Harvest Mouse

    Photo: Vaughn Matthews

    Learn about the wildlife found in Essex and across the UK and how you can help nature where you live.

    • Wildlife A - Z
    • Habitats A - Z
    • Webcams
      • Badgers
      • Barn Owls
      • Bats
      • Bird feeder
      • Swallows
    • Report a sighting
    • Actions for wildlife
    • Adopt a Species
  • Days out
    Family in bluebell wood

    Essex Wildlife Trust manages and protects over 8,400 acres of land on 87 nature reserves and run 10 Nature Discovery Centres. 

    • Plan a day out with us
    • What's on
    • Nature Discovery Centres
      • Abberton Reservoir
      • Bedfords Park
      • Belfairs
      • Chafford Gorges
      • Fingringhoe Wick
      • Hanningfield Reservoir
      • Ingrebourne
      • Langdon
      • The Naze
      • Thameside
      • Thorndon Park
    • Nature reserves
      • Search all nature reserves
      • Top spring reserves
      • Top summer reserves
      • Top autumn reserves
      • Top winter reserves
    • Themed nature trails
      • Brambly Hedge (Abberton)
      • Gruffalo (Thorndon)
      • Peter Rabbit (Langdon)
      • The Wind in the Willows (Hanningfield)
    • All locations (search)
    • Commercial filming
  • Get involved
    Common blue damselfly - Les Binns / Wildnet

    Common blue damselfly - Les Binns / Wildnet

    Support our vital work by becoming a member or volunteering your time. Find out about leaving a legacy or how you can help fundraise for us.

    • Membership
      • Join us
      • Renew
      • Gift
    • Volunteer
    • Campaign
      • 30 Days Wild
      • Butterfly Seekers
      • House Sparrow Project
      • National Marine Week
      • Nature Neighbours
      • Spring Pickers
      • Toad Watch
      • The Essex Bioblitz
    • Team Wilder
    • Corporate
    • Gifts in Wills
    • Celebrate & commemorate
      • In Memory
      • Belfairs Butterflies
      • Tree of Life
      • Memorials
      • In celebration
    • Fundraise
      • Orchid appeal
      • Fundraise for us
      • Shop & recycle
      • Wildlife lottery
      • Fundraising heroes
      • Running Wild
      • London Marathon
    • Local groups
      • Basildon Natural History Society
      • Braintree
      • Brentwood & Billericay
      • Chelmsford
      • Colchester
      • Epping Forest
      • Havering
      • Tendring
      • Uttlesford
  • Join Us / Membership
  • Donate

You are here:

  1. Home
  2. Wildlife Explorer
  3. Marine
  4. Seaweeds and seagrass

Species

Seaweeds and seagrass

Thongweed

Thongweed

Peacock's tail

Peacock's tail

Rainbow wrack

Rainbow wrack

Gutweed

Gutweed

Sea lettuce

Sea lettuce

Oarweed

Oarweed

Sugar kelp

Sugar kelp

Channelled wrack

Channelled wrack

Spiral wrack

Spiral wrack

Bladder wrack

Bladder wrack

Purple laver

Purple laver

Carrageen/Irish moss (Chondrus crispus)

Carrageen

Egg wrack

Egg wrack

Serrated wrack

Serrated wrack

Common eelgrass

Common eelgrass

Footer decal

Essex Wildlife Trust

  • About us (https://www.essexwt.org.uk/about-us)
  • Contact us (https://www.essexwt.org.uk/contact-us)
  • Stay in touch (https://www.essexwt.org.uk/email-newsletter)
  • Policies (https://www.essexwt.org.uk/policies)

Get involved

  • Become a member (https://www.essexwt.org.uk/get-involved/membership)
  • Make a donation (https://www.justgiving.com/ewt/donate)
  • Volunteer with us (https://www.essexwt.org.uk/get-involved/volunteer)
  • Career opportunities (https://www.essexwt.org.uk/jobs)

Explore Essex

  • Nature Discovery Centres (https://www.essexwt.org.uk/visit/centres)
  • Nature reserves (https://www.essexwt.org.uk/nature-reserves)
  • Nature trails (https://www.essexwt.org.uk/nature-reserves/themed-nature-trails)
  • Events (https://www.essexwt.org.uk/events)
Home

Love Essex - Love Wildlife

Essex Wildlife Trust Headquarters, Abbotts Hall, Maldon Road, Great Wigborough, Colchester, CO5 7RZ
Registered Charity Number 210065    VAT Registered 945 7459 77    Company Number 00638666