Lemna perpusilla
Minute duckweed Taxonomy
Synonyms: Subspecific taxa: Classification: Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Species Distribution
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County Map Legend
Absent: Not known from county Medium confidence: Medium or unknown confidence; often old records or unverifiable observations Medium-high confidence: Often observations by expert botanists High confidence: Often vouchered herbarium records Planted / introduced: Native species introduced outside historic range, or only in planted locations within county (e.g., restorations) Historic / extirpated: Only historic records for the species; likely extirpated (Note that this category is not yet functional) North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: No Information Notes: Origin: Native
Species Description
General: Monocot, perennial Roots: adventitious Shoots: entire leaf margin; Other leaf venation; awl-shaped, hastate leaf shape Inflorescence: solitary, other Flowers: unisexual, monoecious; incomplete, not petals, not sepals Fruit: other Physiology: autotrophic Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: Species is distributed in sloughs and stagnant water; quiet waters. ILPIN Notes: Species is eaten by ducks. This is a floating thalloid plant, has 1 root, green beneath. Root tip is pointy; root-sheath has lateral wing appendages. Species is found throughout Illinois. Functional Relationships:
Human Relationships:
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Coefficient of Conservatism (C-value) [?] :
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