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Lemnaceae (duckweed)

Angiospermae - Arales - Lemnaceae

Taxonomy
Lemnaceae was named by Gray. It is extant.

It was assigned to Arales by Knowlton (1919), McIver and Basinger (1993), Mabberley (2000).

Synonymy list
YearName and author
1919Lemnaceae Knowlton
1993Lemnaceae McIver and Basinger
2000Lemnaceae Mabberley

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RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
superphylumEmbryophyta()
—Tracheophyta(Sinnott 1935)
phylumSpermatophyta
RankNameAuthor
classAngiospermae
subclassMonocotyledoneae
orderArales
familyLemnaceaeGray
familyLemnaceaeGray

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. Lemnaceae Gray [duckweed]
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G. Lemna Linnaeus 1753 [duckweed]
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†Lemna bullata Lesquereux 1875
Lemna gibba Linnaeus 1753
Lemna minor Linnaeus 1753
Lemna polyrhiza Linnaeus 1753
†Lemna scutata Dawson 1875
Lemna trisulca Linnaeus 1753
G. †Lemnaceaepites Biswas 1962
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†Lemnaceaepites austinii Biswas 1962
G. †Limnobiophyllum Krassilov 1976
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†Limnobiophyllum scutatum Dawson 1875
G. Spirodela Schleiden 1839
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†Spirodela penicillata Lesquereux 1883
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Diet: "photoautotroph"p
Created: 2011-07-22 00:04:15
Modified: 2011-07-21 14:04:15
Source: p = phylum
Reference: Kiessling 2009

Age range

Maximum range based only on fossils: base of the Maastrichtian to the top of the Holocene or 72.20000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma

Collections (62 total)


Time interval Ma Country or state Original ID and collection number
Lancian72.2 - 66.0USA (South Dakota) Limnobiophyllum scutatum (48193)
Lancian72.2 - 66.0USA (North Dakota) Limnobiophyllum scutatum (25468 48216 48268)
Maastrichtian72.2 - 66.0Canada (Alberta) Spirodela acutata (35246)
Puercan66.0 - 63.4USA (North Dakota) Limnobiophyllum scutatum (24974 25008 25469 48177)
Tertiary - Late/Upper Miocene66.0 - 5.333Russian Federation (Omsk) Lemna tertiaria (24322)
Tiffanian60.9 - 57.5Canada (Alberta) Limnobiophyllum scutatum (28522)
Graybullian56.0 - 51.1USA (Wyoming) Spirodela magna (11360)
Lostcabinian56.0 - 51.1USA (Wyoming) Spirodela magna (11485)
Early/Lower Eocene56.0 - 48.07USA (Wyoming) Spirodela magna (11393)
Early/Lower Eocene56.0 - 48.07India (Meghalaya) Lemnaceaepites austinii (224747)
Rupelian - Chattian33.9 - 23.04Germany (Saxony) Lemna tertiaria (25581)
Early/Lower Miocene23.04 - 15.98Russian Federation (Omsk) Lemna tertiaria (23894)
Miocene23.04 - 5.333Poland Limnobiophyllum expansum (32445)
Serravallian - Tortonian13.82 - 7.246Germany (Brandenburg) Lemna tertiaria (27064)
Late/Upper Miocene - Middle Miocene11.63 - 11.63Russian Federation (Omsk) Lemna tertiaria (24093)
Late/Upper Miocene11.63 - 5.333Russian Federation (Omsk) Lemna tertiaria (24100 24320 24321)
Late/Upper Pliocene3.6 - 2.58Russian Federation (Omsk) Lemna trisulca, Lemna minor (24096)
Piacenzian3.6 - 2.58Germany (Thuringia) Lemna trisulca (22778 22779 22780 22781)
Piacenzian3.6 - 2.58Germany (Thuringen) Lemna trisulca, Lemna gibba (22783)
Gelasian2.58 - 1.8United Kingdom Lemna sp. (69541)
Pleistocene2.58 - 0.0117India (Jammu and Kashmir) Lemna sp. (228772)
Pleistocene2.58 - 0.0117Australia (Queensland) Lemna sp. (168891 168892 168893 168904 168924)
Pleistocene2.58 - 0.0117India (West Bengal) Lemna sp. (224677 228819)
Pleistocene2.58 - 0.0117India (Kashmir) Lemna sp. (224612 224613 224614 224751)
Quaternary2.58 - 0.0India (Tamil Nadu) Lemna sp. (228848 228849)
Quaternary2.58 - 0.0India (Rajasthan) Lemna sp. (228811)
Quaternary2.58 - 0.0India (Jammu and Kashmir) Lemna sp. (228777)
Quaternary2.58 - 0.0India (Himachal Pradesh) Lemna sp. (228761)
Middle Pleistocene - Holocene0.774 - 0.0Australia (Queensland) Lemna sp. (168896)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117USA (Washington) Lemna sp. (93677)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117Australia (Victoria) Lemna sp. (92836 92837)
Late/Upper Pleistocene - Holocene0.129 - 0.0Australia (Queensland) Lemna spp. (168747 168749 168750 168751 168752 168754)
Holocene0.0117 - 0.0India (Uttarakhand) Lemna sp. (228762 228763 228773)
Holocene0.0117 - 0.0India (West Bengal) Lemna sp. (228796 228797)