
1) Genus holcus 2) Liliopsid genus 3) Monocot genus
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Holcus (or Soft-grass) is a genus of eight species of grasses, native to Europe, Atlantic Ocean islands, Africa and western Asia. Holcus species are used as food plants by the larvae of some Lepidoptera species including Coleophora lixella. ...
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http://en.wikipedia.org/wiki/Holcus

(Creeping Soft Grass, Velvet Grass) Holcus, commonly known as Velvet Grass, is an ornamental Grass that grows wild in Europe and is naturalized in North America. H. lanatus grows 18 to 24 inches high and has soft, downy green leaves. H. mollis 'Albovariegatus' (Variegated Creeping Soft Grass) forms clumps, up to 3 feet high, of evergreen, linear le...
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http://www.encyclo.co.uk/local/10004

Holcus is the soft grass genus of grasses of the family Gramineae. The members are native to Europe, temperate Asia and Africa.
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http://www.probertencyclopaedia.com/browse/BH.HTM

[
n] - a genus of Old World grasses widely cultivated in America
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http://www.webdictionary.co.uk/definition.php?query=Holcus
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