• Review. 76: 1–82. doi:10.1007/s12229-010-9041-0. Downie, Stephen R.; Spalik, Krzysztof; Katz-Downie, Deborah S. & Reduron, Jean-Pierre (2010). "Major clades...
    28 KB (1,783 words) - 21:38, 9 April 2024
  • Thumbnail for Ferula assa-foetida
    Reza; Oskolski, Alexei A; Modnicki, Daniel; Miłobędzka, Aleksandra; Spalik, Krzysztof (28 September 2018). "Taxonomy of the traditional medicinal plant...
    5 KB (426 words) - 22:15, 13 December 2023
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    Retrieved 16 November 2021. Stephen R. Downie; Deborah S. Katz-Downie & Krzysztof Spalik (2000). "A phylogeny of Apiaceae tribe Scandiceae: evidence from nuclear...
    2 KB (114 words) - 04:54, 3 January 2024
  • ISBN 978-3-946292-26-5. S2CID 187926901. Retrieved 1 January 2021. Spalik, Krzysztof & Downie, Stephen R. (2001). "The Utility of Morphological Characters...
    3 KB (245 words) - 06:05, 17 February 2023
  • Reza; Oskolski, Alexei A.; Modnicki, Daniel; Miłobędzka, Aleksandra; Spalik, Krzysztof (2018). "Taxonomy of the traditional medicinal plant genus Ferula...
    12 KB (1,041 words) - 06:13, 17 February 2023
  • the World Online, Royal Botanic Gardens, Kew, retrieved 2022-12-18 Spalik, Krzysztof & Downie, Stephen R. (2001), "The Utility of Morphological Characters...
    3 KB (277 words) - 22:44, 27 April 2024
  • [translation into English], vol. XVI, p. 85, retrieved 2022-12-19 Spalik, Krzysztof & Downie, Stephen R. (2001), "The Utility of Morphological Characters...
    4 KB (254 words) - 22:20, 17 March 2023
  • Beltsville, Maryland. Retrieved 2022-12-12. Downie, Stephen R.; Spalik, Krzysztof; Katz-Downie, Deborah S. & Reduron, Jean-Pierre (2010). "Major clades...
    3 KB (262 words) - 23:28, 29 July 2024
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    Reza; Oskolski, Alexei A; Modnicki, Daniel; Miłobędzka, Aleksandra; Spalik, Krzysztof (2018-09-28). "Taxonomy of the traditional medicinal plant genus Ferula...
    21 KB (2,039 words) - 10:39, 21 July 2024
  • Reyes-Betancort, Jorge Alfredo; Alsarraf, Mohammed; Trzeciak, Paulina; Spalik, Krzysztof (14 June 2021). "Long-distance dispersal events rather than growth...
    4 KB (367 words) - 23:21, 29 July 2024