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The Botanical System of the Plants
Das Botanisches System der Pflanzen
Friedrich A. Lohmueller

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Familia: Poaceae Gramineae Juss. (Grass family, Gräser)
Subfamilia: Pooideae
Tribus:       Aveneae
Genus:  Holcus L. (1753) - (Soft-grass, Les houlques, Honiggräser)
      syn.: Arthrochloa R.Br. Ginannia Bubani Homalachna Kuntze Homalachne Kuntze
              Nothoholcus Nash Notholcus Nash ex Hitchc. Sorgum Adans.

Holcus lanatus
Holcus lanatus
Holcus rigidus
Holcus rigidus
   

Species: ~15
Geography: Eurasia, fresh and temperated clima.
  • Holcus lanatus L., - (Yorkshire Fog, la houlque laineuse, Wolliges Honiggras).
  • Holcus rigidus Hochst. ex Seub. (Canica) - Azores, Macaronesia.
     
  • Holcus annuus Salzm. ex C. A. Mey. - southern Europe, northern Africa.
    syn. Holcus setiglumis
  • Holcus azoricus (? Holcus lanatus x Holcus rigidus) - Azores.
  • Holcus gayanus - southwest Europe.
  • Holcus grandiflorus - southwest Europe.
  • Holcus lanatus L., - (Yorkshire Fog, la houlque laineuse, Wolliges Honiggras).
    syn.: Holcus glaucus Willk. in Willk. & Lange
            Holcus argenteus C.Agardh ex Roem. & Schult.
            Holcus aestivalis Jord. & Fourr.
            Notholcus lanatus (L.) Nash ex Hitchc. in Jeps.
            Ginannia pubescens Bubani [nom. illeg.]
            Ginannia lanata (L.) F.T.Hubb.
            Avena pallida Salisb. [nom. illeg.]
            Avena lanata (L.) Hoffm.
            Aira lanata (L.) Hoffm.
  • Holcus mollis L., - (Creeping Soft Grass, la houlque molle, Weiches Honiggras) - Europe and western Asia.
    syn.: Notholcus mollis (L.) Hitchc.[2]
  • Holcus notarisii - southeastern Europe
  • Holcus rigidus Hochst. ex Seub. (Canica, Honiggras) - Azores, Macaronesia.
  • Holcus setiglumis Boiss. & Reut.
  • Holcus setiger - southern Africa, southern Atlantic Islands.

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