
1) Asterid dicot genus 2) Genus lactuca
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https://www.crosswordclues.com/clue/lactuca

Latin, meaning: lettuce.
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http://archives.nd.edu/lll.htm

Lactuca, commonly known as lettuce, is a genus of flowering plants in the daisy family, Asteraceae. The genus includes at least 50 species, distributed worldwide, but mainly in temperate Eurasia. Its best-known representative is the garden lettuce (Lactuca sativa), with its many varieties. `Wild lettuce` commonly refers to the wild-growing relat.....
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http://en.wikipedia.org/wiki/Lactuca

• (n.) A genus of composite herbs, several of which are cultivated foe salad; lettuce.
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http://thinkexist.com/dictionary/meaning/lactuca/

(Asparagus Lettuce, Butterhead Lettuce, Celtuce, Chinese Lettuce, Cos Lettuce, Crisphead Lettuce, Leaf Lettuce, Romaine Lettuce, Stem Lettuce) This is a large group of hardy annuals and perennials found wild in various parts of Europe. They are very popular salad plants commonly known as Lettuce. The most commonly grown kinds of Lettuce are derived...
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http://www.encyclo.co.uk/local/10004
Lac·tu'ca noun [ Latin , lettuce. See
Lettuce .]
(Botany) A genus of composite herbs, several of which are cultivated for salad; lettuce.
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http://www.encyclo.co.uk/webster/L/4

Lactuca is a genus of plants belonging to the family Compositae. They are mostly natives of temperate regions, the most important species being
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http://www.probertencyclopaedia.com/browse/BL.HTM

[
n] - an herb with milky juice: lettuce
Found on
http://www.webdictionary.co.uk/definition.php?query=Lactuca

lettuce.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.