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CCDB → Angiosperms → Poaceae → Eustachys → Eustachys petraea (Sw.) Desv.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Chloris petraea Sw. | Eustachys petraea (Sw.) Desv. | 40 | IPCN online | Pohl, R. W. & G. Davidse. 1971. Chromosome numbers of Costa Rican grasses. Brittonia 23(3): 293–324. | |||
| Eustachys petraea (Sw.) Desv. | Eustachys petraea (Sw.) Desv. | 20 | 40 | IPCN66 | Singh & Godward 1960 | ||
| ! | Chloris petraea Sw. | Eustachys petraea (Sw.) Desv. | 40 | IPCN67-71 | GOULD, F.W. 1968. Chromosome numbers of Texas grasses. Canad. J. Bot. 46: 1315-1325. | ||
| ! | Chloris petraea Sw. | Eustachys petraea (Sw.) Desv. | 40 | IPCN67-71 | POHL, R.W., & G. DAVIDSE. 1971. Chromosome numbers of Costa Rican grasses. Brittonia 23: 293-324. | ||
| ! | Eustachys petraea (Sw.) Desv. | Eustachys petraea (Sw.) Desv. | 20 | IPCN75-78 | Davidse & Pohl 1978 | ||
| ! | Chloris petraea Sw. | Eustachys petraea (Sw.) Desv. | 40 | Fedorov, 1974 | Brown W. V. 1950 | ||
| ! | Chloris petraea Sw. | Eustachys petraea (Sw.) Desv. | 40 | Fedorov, 1974 | Gould 1958 | ||
| ! | Eustachys petraea (Sw.) Desv. | Eustachys petraea (Sw.) Desv. | 40 | Fedorov, 1974 | Singh D. N., Godward 1960 | ||
| ! | Eustachys petraea (Sw.) Desv. | Eustachys petraea (Sw.) Desv. | 40 | Fedorov, 1974 | Hunter 1934 | ||
| ! | Chloris petraea Sw. | Eustachys petraea (Sw.) Desv. | 20 | Cave1958 | Gould 1958 |