| Title | An Account of the Sempervivum group |
| Abbreviation | Acc. Sempervivum |
| Authors | R. L. Praeger |
| Publication Dates | Aug 1932 |
| Place of publication | London |
| Publisher | The Royal Horticultural Society |
| ISSN | 8252 |
| Remarks | Description: 265 p., Illustr. |
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