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fr
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Close
Flora
Search
Search species
Distribution atlas
Taxonomy & References
Checklist 2017
Synonymie Index
Flora Helvetica
New systematics of plant families
Charophyta
Conservation
Context
Introduction
Artenschutzprojekte
Gesetzliche Grundlagen
Nützliche Links zum Artenschutz
Lists
National Red List 2016
Regional Red List 2019
Ex-situ conservation and reintroductions
Einleitung
Sammeln an Wildstandorten
Ex situ-Erhaltung gefährdeter Arten
Ansiedlung gefährdeter Arten
IUCN Guidelines
Tagung 2015
Workshops
Bibliographie
Was pflanzen?
Zielgruppen und Anwendungsbereiche
Privatpersonen
Produzent:innen
Bepflanzung von Flächen
Grüne Liste-Tool
Mission B
Nützliche Links
Monitoring
Ecological infrastructure
Crop Wild Relatives
Definition
Relevance
CWR of particular concern
Lists
Habitats
Search
TypoCH
Phytosuisse
Full list
TypoCH
Phytosuisse
Red List
Neophytes
In brief...
Invasive Neophytes
Introduction and definitions
Legal basis
Management : Control
Useful links
Lists
Who to contact
Training
Introduction
Strategy
Courses
Certifications
Exams for the certificate 200 "Bellis"
Exams for the certificate 400 "Iris"
Exams for certificate 600 "Dryas"
Exams for certificate "Habitats knowledge"
Data
State of the data
Lists to download
Species List 5x5 km
Species list Welten-Sutter
Request data
Introduction
Data request form
Richtlinien Info Species
Legende für Datenbezüger
Get involved
In short...
My observations
Online fieldbook (Vers. 2.0)
Online fieldbook for invasive neophytes
Apps
Other ways to submit your data
Mission Flora
Mission Entdecken
Mission Inventar
Identify Plants
Identification aids in FlorApp
FlorID
Literature
Online Resources
Lupe, Binokular, Mikroskop & Co.
Photographing Plants
Jedes Bild zählt!
Tipps and Tricks
Anno nano 2022
The year of the little ones
Competition 2022
Partner projects
Regionale Inventare
Citizen Science
Mission Aquatica
InfoFlora
30 years
News and Events
Links
de
fr
it
en
Search
Search
Spirodela
Genus
Checklist : 1045129
Araceae
Spirodela
List of species
405200
Spirodela polyrhiza (L.) Schleid.
