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Journal article
On the identity of Dracocephalum breviflorum (Lamiaceae, Nepetoideae).
As currently circumscribed, the genus Dracocephalum Linnaeus (1753: 594) includes the traditionally defined Hyssopus Linnaeus (1753: 569) and Lallemantia Fischer & Meyer (1840: 52), making it the second largest genus in subtribe Nepetinae (Nepetoideae, Lamiaceae), consisting of ca. 80 species (Chen et al. 2022). Morphologically, the genus is most similar... -
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Journal article
Nomenclatural notes on some autumn flowering daffodils (Narcissus, Amaryllidaceae).
Autumn flowering daffodils have been recorded in taxonomic history for at least 500 years. First descriptions were often merely based on hearsay, as they were often not studied alive. Consequently, many errors in interpretation of these names have occurred and taxonomic confusion, errors in identification and misapplication of names have...Koopowitz, Harold ; Howe, Marilynn ; Christenhusz, Maarten J. M.
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Journal article
The genera of Cyperaceae of Madagascar.
– The rise of DNA sequencing in systematics has brought more understanding of the Cyperaceae family worldwide. Through these studies, it has been possible to delineate major clades and classify its species into subfamilies, tribes, and genera. Today, we have a good understanding of the species diversity and geographic distribution...Rasaminirina, Fitiavana ; Larridon, Isabel
Cyperaceae, Madagascar, Taxonomy, Genera, and Identification
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Journal article
Revision of the rattan Calamus javensis Blume complex (Arecaceae, Calamoideae) in Malesia with notes on all recognisable taxa and forms.
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Journal article
Wolffia columbiana and W. globosa (Araceae) new to Britain.
In the course of surveys of ditches in the Pevensey Levels in October 2021, a large population of the non-native Wolffia columbiana H. Karst. was found, new to Britain. Subsequent investigation showed W. columbiana to be widespread on the Pevensey and Gwent Levels and present in other grazing marsh ditch...Lansdown, Richard ; Kitchener, Geoffrey ; Jones, Evan
Duckweed, Wolffia globosa, Wolffia columbiana, Geographical distribution, Invasive, Great Britain, Non-native, and Identification
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