
1) Fern genus 2) Genus psilotum
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https://www.crosswordclues.com/clue/psilotum

Psilotum (whisk fern) is a genus of fern-like vascular plants, one of two genera in the family Psilotaceae, order Psilotales, and class Psilotopsida (the other being Tmesipteris). The name of the genus is from Greek psilos = bare, referring to the lack of the usual plant organs, such as leaves. ==Species and distribution== There are two species, P...
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http://en.wikipedia.org/wiki/Psilotum

(Skeleton Fork Fern) These are frost-tender, subtropical or tropical, terrestrial or epiphytic (grows on a host, such as a tree, to obtain nutrients, but isn't a parasite) Ferns grown for their interesting skeletal or broom-like fronds. P. nudum, commonly known as Skeleton Fork Fern, grows 2 feet high with a spread of 18 inches. If terrestrial, thi...
Found on
http://www.encyclo.co.uk/local/10004

[
n] - type genus of the Psilotaceae
Found on
http://www.webdictionary.co.uk/definition.php?query=Psilotum
genus Psilotum noun type genus of the Psilotaceae
Found on
https://www.encyclo.co.uk/local/20974
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