| algeria | | cenchrus americanus | species | 8 | 0 |
| australia | | cenchrus americanus | species | 8 | 0 |
| australia | queensland | cenchrus clandestinus | species | 2 | 0 |
| benin | | cenchrus americanus | species | 82 | 0 |
| burkina faso | | cenchrus americanus | species | 253 | 0 |
| cameroon | | cenchrus americanus | species | 9 | 0 |
| canada | | cenchrus americanus | species | 2 | 0 |
| canada | manitoba | cenchrus americanus | species | 2 | 0 |
| central african republic | | cenchrus americanus | species | 42 | 0 |
| chad | | cenchrus americanus | species | 129 | 0 |
| china | | cenchrus americanus | species | 4 | 0 |
| china | | cenchrus americanus x cenchrus purpureus | species | 7 | 0 |
| china | | cenchrus compressus | species | 4 | 0 |
| china | | cenchrus flaccidus | species | 6 | 0 |
| china | | cenchrus longissimus | species | 7 | 0 |
| china | | cenchrus purpureus | species | 26 | 0 |
| china | | pennisetum sp. jujuncao-1 | species | 2 | 0 |
| china | | pennisetum sp. jujuncao-2 | species | 2 | 0 |
| china | hainan | cenchrus purpureus | species | 1 | 0 |
| china | hunan | cenchrus purpureus | species | 1 | 0 |
| china | tibet | cenchrus flaccidus | species | 3 | 0 |
| china | yunnan | cenchrus flaccidus | species | 1 | 0 |
| egypt | | cenchrus americanus | species | 1 | 0 |
| eritrea | | cenchrus setaceus | species | 4 | 0 |
| france | | cenchrus americanus | species | 2 | 0 |
| india | | cenchrus americanus | species | 10 | 0 |
| india | | cenchrus flaccidus | species | 6 | 0 |
| india | | cenchrus hohenackeri | species | 2 | 0 |
| india | | cenchrus mezianus | species | 2 | 0 |
| india | | cenchrus orientalis | species | 2 | 0 |
| india | | cenchrus polystachios | species | 2 | 0 |
| india | | cenchrus purpureus | species | 9 | 0 |
| india | andhra pradesh | cenchrus americanus | species | 8 | 0 |
| ivory coast | | cenchrus americanus | species | 42 | 0 |
| japan | | cenchrus americanus | species | 4 | 0 |
| japan | aichi prefecture | cenchrus compressus | species | 5 | 0 |
| japan | aomori prefecture | cenchrus compressus | species | 30 | 0 |
| japan | ehime prefecture | cenchrus compressus | species | 10 | 0 |
| japan | gifu prefecture | cenchrus compressus | species | 35 | 0 |
| japan | kagoshima prefecture | cenchrus compressus | species | 35 | 0 |
| japan | kochi prefecture | cenchrus compressus | species | 25 | 0 |
| japan | mie prefecture | cenchrus compressus | species | 35 | 0 |
| japan | miyagi ken prefecture | cenchrus compressus | species | 25 | 0 |
| japan | nagano prefecture | cenchrus compressus | species | 25 | 0 |
| japan | niigata prefecture | cenchrus compressus | species | 25 | 0 |
| japan | shizuoka prefecture | cenchrus compressus | species | 45 | 0 |
| japan | tochigi prefecture | cenchrus compressus | species | 10 | 0 |
| japan | tokushima prefecture | cenchrus compressus | species | 10 | 0 |
| japan | tottori prefecture | cenchrus compressus | species | 25 | 0 |
| japan | wakayama prefecture | cenchrus compressus | species | 30 | 0 |
| japan | yamagata prefecture | cenchrus compressus | species | 10 | 0 |
| kenya | | cenchrus americanus | species | 12 | 0 |
| madagascar | | cenchrus clandestinus | species | 3 | 0 |
| madagascar | | pennisetum pseudotriticoides | species | 3 | 0 |
| mali | | cenchrus americanus | species | 543 | 0 |
| mali | | cenchrus violaceus | species | 1 | 0 |
| mauritania | | cenchrus americanus | species | 153 | 0 |
| morocco | | cenchrus americanus | species | 4 | 0 |
| namibia | | cenchrus setaceus | species | 2 | 0 |
| netherlands | | cenchrus setaceus | species | 3 | 0 |
| niger | | cenchrus americanus | species | 642 | 0 |
| niger | | cenchrus pedicellatus | species | 1 | 0 |
| niger | | cenchrus ramosus | species | 2 | 0 |
| niger | | cenchrus violaceus | species | 1 | 0 |
| nigeria | | cenchrus americanus | species | 15 | 0 |
| pakistan | | cenchrus americanus | species | 11 | 0 |
| saudi arabia | | cenchrus americanus | species | 1 | 0 |
| senegal | | cenchrus americanus | species | 103 | 0 |
| south korea | | cenchrus americanus | species | 11 | 0 |
| south korea | | cenchrus compressus | species | 4 | 0 |
| south korea | | cenchrus compressus var. compressus | varietas | 8 | 0 |
| south korea | south jeolla province | cenchrus americanus | species | 2 | 0 |
| spain | | cenchrus setaceus | species | 9 | 0 |
| spain | canary islands | cenchrus setaceus | species | 5 | 0 |
| sudan | | cenchrus americanus | species | 7 | 0 |
| sudan | | cenchrus purpureus | species | 2 | 0 |
| sudan | | pennisetum schweinfurthii | species | 2 | 0 |
| tanzania | | cenchrus americanus | species | 4 | 0 |
| tanzania | | cenchrus purpureus | species | 1 | 0 |
| thailand | | cenchrus purpureus | species | 2 | 0 |
| tunisia | | cenchrus americanus | species | 6 | 0 |
| uganda | | cenchrus americanus | species | 3 | 0 |
| united states | | cenchrus americanus | species | 12 | 0 |
| united states | | cenchrus compressus | species | 2 | 0 |
| united states | california | cenchrus longisetus | species | 4 | 0 |
| united states | florida | cenchrus purpureus | species | 1 | 0 |
| united states | hawaii | cenchrus setaceus | species | 1 | 0 |
| zambia | | cenchrus americanus | species | 3 | 0 |
| zimbabwe | | cenchrus americanus | species | 8 | 0 |