| australia | | festuca arundinacea | species | 2 | 0 |
| australia | victoria | festuca arundinacea | species | 10 | 0 |
| belgium | | festuca arundinacea subsp. atlantigena | subspecies | 3 | 0 |
| belgium | | festuca arundinacea subsp. uechtritziana | subspecies | 2 | 0 |
| canada | british columbia | festuca arundinacea | species | 19 | 0 |
| canada | ontario | festuca arundinacea | species | 10 | 0 |
| canada | quebec | festuca arundinacea | species | 3 | 0 |
| china | | festuca arundinacea | species | 12 | 0 |
| china | hunan | festuca arundinacea | species | 1 | 0 |
| china | zhejiang | festuca arundinacea | species | 0 | 1 |
| france | | festuca arundinacea | species | 5 | 0 |
| france | | festuca arundinacea subsp. corsica | subspecies | 3 | 0 |
| france | | festuca arundinacea subsp. fenas | subspecies | 7 | 0 |
| germany | | festuca arundinacea | species | 3 | 0 |
| india | himachal pradesh | festuca arundinacea | species | 2 | 0 |
| italy | | festuca arundinacea | species | 4 | 0 |
| japan | | festuca arundinacea | species | 2 | 0 |
| morocco | | festuca arundinacea | species | 2 | 0 |
| morocco | | festuca arundinacea subsp. atlantigena | subspecies | 2 | 0 |
| morocco | | festuca arundinacea subsp. cirtensis | subspecies | 1 | 0 |
| new zealand | | festuca arundinacea | species | 1 | 0 |
| norway | | festuca arundinacea | species | 3 | 0 |
| portugal | | festuca arundinacea | species | 2 | 0 |
| russia | moscow city | festuca arundinacea | species | 1 | 0 |
| south korea | gyeonggi province | festuca arundinacea | species | 3 | 0 |
| spain | | festuca arundinacea | species | 12 | 0 |
| spain | | festuca arundinacea subsp. fenas | subspecies | 13 | 0 |
| spain | balearic islands | festuca arundinacea subsp. fenas | subspecies | 1 | 0 |
| spain | galicia | festuca arundinacea subsp. arundinacea | subspecies | 2 | 0 |
| switzerland | geneva region | festuca arundinacea | species | 2 | 0 |
| ukraine | | festuca arundinacea subsp. orientalis | subspecies | 3 | 0 |
| united kingdom | | festuca arundinacea | species | 2 | 0 |
| united kingdom | | festuca arundinacea subsp. atlantigena | subspecies | 6 | 0 |
| united kingdom | | festuca arundinacea subsp. cirtensis | subspecies | 3 | 0 |
| united states | | festuca arundinacea | species | 3 | 0 |
| venezuela | | festuca arundinacea | species | 3 | 0 |