Mennema, J. 1989: A taxonomic revision of Lamium (Lamiaceae). Leiden Botanical Series. Vol. 11.
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Reference Properties
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| Mennema, J. 1989: A taxonomic revision of Lamium (Lamiaceae). Leiden Botanical Series. Vol. 11. |
| Mennema, J. 1989: A taxonomic revision of Lamium (Lamiaceae). Leiden Botanical Series. Vol. 11. |