| benin | | imperata cylindrica | species | 5 | 0 |
| cameroon | | imperata cylindrica | species | 3 | 0 |
| china | | imperata cylindrica | species | 4 | 0 |
| indonesia | jambi province | imperata cylindrica | species | 3 | 0 |
| iraq | | imperata cylindrica var. major | varietas | 1 | 0 |
| japan | | imperata cylindrica | species | 3 | 0 |
| japan | aichi prefecture | imperata cylindrica | species | 4 | 0 |
| japan | akita prefecture | imperata cylindrica | species | 41 | 0 |
| japan | aomori prefecture | imperata cylindrica | species | 36 | 0 |
| japan | chiba prefecture | imperata cylindrica | species | 9 | 0 |
| japan | ehime prefecture | imperata cylindrica | species | 11 | 0 |
| japan | fukui prefecture | imperata cylindrica | species | 1 | 0 |
| japan | fukuoka prefecture | imperata cylindrica | species | 5 | 0 |
| japan | fukushima prefecture | imperata cylindrica | species | 12 | 0 |
| japan | gifu prefecture | imperata cylindrica | species | 41 | 0 |
| japan | gunma prefecture | imperata cylindrica | species | 3 | 0 |
| japan | hokkaido prefecture | imperata cylindrica | species | 11 | 0 |
| japan | hyogo prefecture | imperata cylindrica | species | 4 | 0 |
| japan | ibaraki prefecture | imperata cylindrica | species | 4 | 0 |
| japan | ishikawa prefecture | imperata cylindrica | species | 2 | 0 |
| japan | iwate prefecture | imperata cylindrica | species | 3 | 0 |
| japan | kagawa prefecture | imperata cylindrica | species | 5 | 0 |
| japan | kagoshima prefecture | imperata cylindrica | species | 35 | 0 |
| japan | kanagawa prefecture | imperata cylindrica | species | 2 | 0 |
| japan | kochi prefecture | imperata cylindrica | species | 30 | 0 |
| japan | kyoto prefecture | imperata cylindrica | species | 1 | 0 |
| japan | mie prefecture | imperata cylindrica | species | 31 | 0 |
| japan | miyagi ken prefecture | imperata cylindrica | species | 35 | 0 |
| japan | miyazaki prefecture | imperata cylindrica | species | 2 | 0 |
| japan | nagano prefecture | imperata cylindrica | species | 50 | 0 |
| japan | nagasaki prefecture | imperata cylindrica | species | 1 | 0 |
| japan | nara prefecture | imperata cylindrica | species | 1 | 0 |
| japan | niigata prefecture | imperata cylindrica | species | 25 | 0 |
| japan | okinawa prefecture | imperata cylindrica | species | 3 | 0 |
| japan | osaka prefecture | imperata cylindrica | species | 9 | 0 |
| japan | saitama prefecture | imperata cylindrica | species | 1 | 0 |
| japan | shizuoka prefecture | imperata cylindrica | species | 71 | 0 |
| japan | tochigi prefecture | imperata cylindrica | species | 6 | 0 |
| japan | tokushima prefecture | imperata cylindrica | species | 30 | 0 |
| japan | tokyo prefecture | imperata cylindrica | species | 15 | 0 |
| japan | tottori prefecture | imperata cylindrica | species | 40 | 0 |
| japan | toyama prefecture | imperata cylindrica | species | 1 | 0 |
| japan | wakayama prefecture | imperata cylindrica | species | 50 | 0 |
| japan | yamagata prefecture | imperata cylindrica | species | 54 | 0 |
| kuwait | | imperata cylindrica | species | 6 | 0 |
| madagascar | | imperata cylindrica | species | 3 | 0 |
| nigeria | | imperata cylindrica | species | 8 | 0 |
| pakistan | | imperata cylindrica | species | 1 | 0 |
| south africa | | imperata cylindrica | species | 4 | 0 |
| south korea | | imperata cylindrica | species | 6 | 0 |
| south korea | | imperata cylindrica var. major | varietas | 3 | 0 |
| tanzania | | imperata cylindrica | species | 1 | 0 |
| united states | | imperata cylindrica | species | 1 | 0 |
| united states | florida | imperata cylindrica | species | 25 | 0 |
| united states | mississippi | imperata cylindrica | species | 4 | 0 |