Holcus Explained

Holcus (soft-grass or velvetgrass) is a genus of African and Eurasian plants in the oat tribe within the grass family.^[1] ^[2] ^[3]

Holcus species are used as food plants by the larvae of some Lepidoptera species including Coleophora lixella.

Holcus annuus - Mediterranean and nearby areas from Portugal + Morocco to Caucasus
Holcus azoricus - Azores - possibly a hybrid of H. lanatus and H. rigidus
Holcus caespitosus - Sierra Nevada in southern Spain
Holcus gayanus - Spain, Portugal
Holcus grandiflorus - Spain
Holcus × hybridus - France, Germany, British Isles -- H. lanatus × H. mollis
Holcus lanatus - Europe, Mediterranean + nearby areas from Iceland to Canary Isles to Caucasus; naturalized in North + South America, Australia, New Zealand, East Asia, various islands
Holcus mollis - Algeria, Tunisia, most of Europe; naturalized in Australia, new Zealand, scattered locales in North America
Holcus notarisii - Macedonia, Italy
Holcus rigidus - Azores
Holcus setiger - Cape Prov of South Africa

formerly includedSeveral species now regarded as better suited to other genera; Andropogon Arrhenatherum Arundinella Bothriochloa Capillipedium Centotheca Chasmanthium Chrysopogon Deschampsia Heteropogon Hierochloe Pennisetum Pentameris Pseudoraphis Rostraria Sorghum Sporobolus Ventenata

Notes and References