What is "corynephorus"

Corynephorus is a genus of European, North African, and Middle Eastern plants in the grass family.

1. Corynephorus canescens (L.) P.Beauv. - Europe (from Portugal to Norway to Russia), Morocco
2. Corynephorus deschampsioides Bornm. - Syria, Israel, Jordan, Palestine
3. Corynephorus divaricatus (Pourr.) Breistr. - Mediterranean and nearby regions from Spain + Morocco to Iran
4. Corynephorus fasciculatus Boiss. & Reut. - Portugal, Spain, France incl Corsica, Sardinia, Sicily, Algeria
5. Corynephorus macrantherus Boiss. & Reut. - Portugal, Spain, Morocco, Algeria, Tunisia