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Systematophora placacantha var. ancyrea
| placacantha var. ancyrea | |
| Cookson, I.C. and Eisenack, A. (1965a) | |
| Strauss, C. and Lund, J.J. (1992) | |
| invalidly published | |
| placacantha var. ancyrea | |
| Cookson, I.C. and Eisenack, A. (1965a) | |
| Strauss, C. and Lund, J.J. (1992) | |
| invalidly published | |