​Database of Duckweed Clones

  • Serial numbers are specific to the RDSC.
  • ID numbers represent 4-digit (Landolt) codes, if assigned, or unofficial codes.
  • See tips for using the database in Google Sheets below. 

Ready to Order? Fill out our Clone Request Form!
  • Clones may not be available at the RDSC. Please see listed contact person.
  • Want to register a new clone? Read the instructions here.


Map of the RDSC Collection (July 6th, 2023)

​List of Worldwide Duckweed Collections

Best viewed in fullscreen
Tips for using Google Sheets

Filter data
  1. Click the Data menu, hover over “Filter views…” and select Create a new filter view. You can also click the down arrow to the right of the filter icon and select Create a new filter view.
  2. Using the down arrows in the column headers, sort and filter the data to fit your desired view. Your filter view will be saved as you make changes.
  3. To close your new filter view, either click the X in the top-right corner of the spreadsheet or click the down arrow to the right of the filter icon and select None.

Find a term
  • Press Ctrl + F (⌘ + F on a Mac) and type a word or phrase you'd like to find.​