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2023
Journal article
Morphological Continua Make Poor Species: Genus-Wide Morphometric Survey of the European Bee Orchids (Ophrys L.).
Despite (or perhaps because of) intensive multidisciplinary research, opinions on the optimal number of species recognised within the Eurasian orchid genus Ophrys range from nine to at least 400. The lower figure of nine macrospecies is based primarily on seeking small but reliable discontinuities in DNA ‘barcode’ regions, an approach... -
2021
Journal article
Challenges of applying monophyly in the phylogenetic shallows: taxonomic reappraisal of the Dactylorhiza maculata group.
The first study of the taxonomically critical European orchid genus to use next-generation DNA sequencing generated the statistically best-supported reconstruction of its phylogeny to date. However, the two competing topologies obtained within the monophyletic Section differed radically in the placement of the s.s.– clade. Both topologies showed to be nested... -
2021
Journal article
In situ morphometric survey elucidates the evolutionary systematics of the orchid genus Gymnadenia in the British Isles.
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2021