Dracocephalum ruyschiana
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Konrad Lauber, Gerhart Wagner & Andreas Gygax, 2018, Flora Helvetica - Lamiaceae, Flora Helvetica, Bern: Haupt Verlag, pp. 836-882
: 864
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864 |
Dracocephalum ruyschiana
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Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part D), Order out of Chaos. Linnaean Plant Types and their Types, London: Linnaean Society of London in association with the Natural History Museum, pp. 474-489
: 488
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488 |
Dracocephalum ruyschiana
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Hess, Hans Ernst, Landolt, Elias & Hirzel, Rosmarie, 1976, Flora der Schweiz und angrenzender Gebiete. Band 3. Plumbaginaceae bis Compositae (2 nd edition): Labiatae, Birkhaeuser Verlag
: 111
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111 |
Dracocephalum ruyschiana
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Info Flora, 2021, Info Flora Schweiz - Lamiaceae, https://www.infoflora.ch/de/flora/lamiaceae.html (accessed 2023-10-20)
: -1
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-1 |