Skip to content
Botanical Society of Britain and Ireland
Members' area Contact us
BSBI
MENUMENU
  • About BSBI
        • About BSBI
          • Who we are
          • Governance
          • A-Z site map

        • The BSBI is for everyone who cares about the wild plants of Britain and Ireland. Since 1836, we've been promoting the study, understanding and enjoyment of British and Irish botany.

        • People
          • Staff and officers
          • BSBI Trustees
          • Volunteers
          • Vacancies
          • Obituaries
        • Countries
          • County recorders
            • England
            • Ireland
            • Scotland
            • Wales
  • Get involved
        • Activities
          • Getting started
          • Herbology Hunt
          • BSBI New Year Plant Hunt
          • Photographic competition
          • Plant Alert
          • Vacancies
          • Volunteering opportunities
          • Wildflower Hour
        • Projects
          • Aquatic Plant Project
          • Atlas 2020
          • LOst Rarities in England
          • Irish Grasslands Project
          • National Plant Monitoring Scheme
          • Rare Plant Project Ireland
          • Scottish HectAd Rare Plant Project
          • Visit a herbarium
        • Local groups
          • Find out what's happening in your area
          • Channel Isles
          • Isles of Scilly
          • Cornwall
          • Devon
          • Somerset
          • Wiltshire
          • Dorset
          • Isle of Wight
          • Hampshire
          • Sussex
          • Kent
          • Surrey
          • Essex
          • Hertfordshire
          • Middlesex
          • Berkshire
          • Oxfordshire
          • Buckinghamshire
          • East Suffolk
          • West Suffolk
          • East Norfolk
          • West Norfolk
          • Cambridgeshire
          • Bedfordshire
          • Huntingdonshire
          • Northamptonshire
          • East Gloucestershire
          • West Gloucestershire
          • Monmouthshire
          • Herfordshire
          • Worcestershire
          • Warwickshire
          • Staffordshire
          • Shropshire
          • Glamorgan
          • Brecknockshire
          • Pembrokeshire
          • Cardiganshire
          • Montgomeryshire
          • Merionethshire
          • Caernavonshire
          • Denbighshire
          • Flintshire
          • Anglesey
          • South Lincolnshire
          • North Lincolnshire
          • Leicestershire
          • Nottinghamshire
          • Derbyshire
          • Cheshire
          • South Lancashire
          • West Lancashire
          • S.E. Yorkshire
          • N.E. Yorkshire
          • South Yorkshire
          • M.W. Yorkshire
          • N.W. Yorkshire
          • Co. Durham
          • S. Northumberland
          • N. Northumberland
          • Westmorland
          • Cumberland
          • Isle of Man
          • Dumfriesshire
          • Kirkcudbrightshire
          • Wigtownshire
          • Ayrshire
          • Renfrewshire
          • Lanarkshire-v-c-77
          • Peeblesshire
          • Selkirkshire
          • Roxburghshire
          • Berwickshire
          • Eastlothian
          • Midlothian
          • West Lothian
          • Fife & Kinross
          • Stirlingshire
          • West Perthshire
          • Mid Perthshire
          • East Perthshire
          • Angus
          • Kincardineshire
          • South Aberdeenshire
          • North Aberdeenshire
          • Banffshire
          • Moray
          • Easterness
          • Westerness
          • Argyll
          • Dunbartonshire
          • Clyde Islands
          • Kintyre
          • South Ebudes
          • Mid Ebudes
          • North Ebudes
          • Wester Ross
          • Easter Ross
          • East Sutherland
          • West Sutherland
          • Caithness
          • Outer Hebrides
          • Orkney
          • Shetland
          • South Kerry
          • North Kerry
          • West Cork
          • East Cork
          • Co. Waterford
          • Co. Limerick
          • Co. Clare
          • Co. Wexford
          • Co. Laois
          • South-east Galway
          • West Galway
          • Westmeath
          • East Mayo
          • West Mayo
          • Co. Sligo
          • Co. Leitrim
          • Co. Cavan
          • Co. Louth
          • Co. Monaghan
          • Co. Fermanagh
          • East Donegal
          • West Donegal
          • Tyrone
          • Co. Armagh
          • Co. Down
          • Co. Antrim
          • Radnorshire
          • Carmarthenshire
  • News & events
        • News
          • Latest news
          • Media
          • News & views blog
          • Presidents' Award (BSBI/WFS)
          • Sign up for our newsletter
        • Events
          • Field meetings and indoor events
          • Annual General Meeting
          • British & Irish Botanical Conference
          • BSBI Spring Conference
          • England Annual Meeting & AGM
          • Irish Autumn Meeting & AGM
          • Irish Spring Conferences
          • Recorders’ Conferences and Meetings
          • Scottish Botanists’ Conference
          • Scottish Spring Conferences
          • Summer Meeting
          • Wales Annual Meeting & AGM
          • Winter Talks
  • Learn about botany
        • Courses & qualifications
          • Field Identification Skills Certificate (FISC)
          • Grants for training & research
          • Plant ID/ botany courses
          • Training
        • Publications archive
        • Plant identification
          • Dandelions
          • Fern ID
          • Grass ID
          • Orchid ID
          • Plant Crib
          • Plant identification
          • Species Accounts
          • Videos
        • Books and periodicals
          • BSBI eBooks
          • BSBI Handbooks
          • BSBI Publications
          • BSBI Periodicals
          • County Floras
  • Explore & record plants
        • Science
          • Altitudes
          • Axiophytes
          • Our research
          • Threatened Plants Project
        • Plant recording resources
          • Guidance and links
          • Record a plant
          • Recording cards
          • Recording software
          • Taxon lists
        • Maps and data
          • About our maps and data
          • Plant Atlas 2020
          • Plant distribution maps
          • Rare Plant Registers
  • Join
    • Join Us
      • Membership Offer
      • Become a Member
      • Give Membership as a Gift
    • Renew
      • Renew a Membership
    • Other
      • Student Membership
      • Hardship Fund
  • Donate
    • Support us
      • Make a Donation
      • Fundraise for BSBI
      • Corporate Support
        • Greenwings Holiday Lottery
      • Legacies and In Memory
    • Appeals
      • Country Funds
      • Regular Donations
      • Support for Recorders Appeal
BSBI
MENUMENU
  • BSBI
    • About BSBI
      • A-Z site map
      • Contact Us
      • Governance
      • Members' login
      • Who we are
    • Support us
      • Appeals
      • Become a member
      • Donations
    • People
      • County recorders
      • Staff & officers
      • Volunteers
      • Vacancies
      • Obituaries
  • Get involved
    • Activities
      • Getting started
      • Herbology Hunt
      • BSBI New Year Plant Hunt
      • Photographic competition
      • Volunteering opportunities
      • Wildflower Hour
    • Projects
      • Atlas 2020
      • Visit a herbarium
      • National Plant Monitoring Scheme
    • Local groups
  • News & events
    • News
      • Latest news
      • Media
      • News & views blog
      • Presidents' Award (BSBI / WFS)
    • Events
      • Field meetings
  • Learn about botany
    • Courses & qualifications
      • Field Identification Skills Certificate (FISC)
      • Grants for training & research
      • Plant identification courses
      • Training
    • Plant identification
      • Handbooks and identification guides
      • Plant identification
      • Plant Crib
      • Species accounts
    • Books & periodicals
      • BSBI publications
      • BSBI Periodicals
      • Publications archive
  • Explore & record plants
    • Maps & data
      • Distribution maps
      • About our maps & data
      • Online Atlas of the British & Irish Flora
      • Rare Plant Registers
    • Plant recording
      • Record a plant
      • Recording cards
      • Recording software
      • Taxon lists
      • Guidance & links
    • Science
      • Our research
      • Altitudes
      • Axiophytes
      • Threatened Plants in Britain and Ireland
Botanical Society of Britain & Ireland > duckweeds fig.2 lansdown

duckweeds fig.2 lansdown

Posted on 28th February 202228th February 2022 by Louise Marsh
← Previous Next →

Botanical Society of Britain & Ireland, regd. office: Moore Kingston Smith LLP, 4 Beaconsfield Road, St Albans, Hertfordshire AL1 3RD.
E: enquiries@bsbi.org
T: 07725 862 957
Our enquiries email and phone line are open Monday to Friday, 10am - 7pm.

Registered as a charity in England and Wales (1152954) and Scotland (SC038675) and as a company in England & Wales (8553976).
Privacy policy | Safeguarding policies - adults, children and young people
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Sign up for our monthly eNewsletter

Visit other BSBI websites:
Plant Atlas 2020
BSBI Maps
BSBI Database (the DDb)
BSBI publications archive
British & Irish Botany
Herbaria@Home

A SiteOrigin Theme