Vol. 4 No. 2 (2022): British & Irish Botany

Articles

• Populations sizes and leaf morphology of the Welsh endemics Sorbus cambrensis Welsh Whitebeam and Sorbus stenophylla Llanthony Whitebeam (Rosaceae)

  Martin Lepší, Timothy C.G. Rich

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• Conspectus of and key to the world's species of Vulpia C.C. Gmel. (Poaceae: Loliinae) and seven related genera

  Clive A. Stace

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• Growth trajectories of diploid and tetraploid trees of the Betula pendula/B. pubescens complex (Betulaceae): a 38-year record of trunk circumference

  Anthony J Davy, John A. Gill

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• Long-term study of the Sword-leaved Helleborine Cephalanthera longifolia (Orchidaceae) in Knapdale, Argyll

  Patricia Batty

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• Changing environment and orchid distributions close to their northern and southern limits in Britain

  David Trudgill

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• Notes on Atriplex (Amaranthaceae) species and hybrids, particularly A. littoralis and the hybrid A. littoralis x A. prostrata (A. x hulmeana)

  Michael Wilcox

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• The Genus Hieracium (Asteraceae) in the British Isles in 1821

  J. Bevan

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• Rubus sellii, a new name for R. rubicundiflorus (Rosaceae)

  Muhammad Idrees, Julian M.H. Shaw

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• The typification of the Linnaean name Papaver medium (Papaveraceae) published in Flora Anglica

  Duilio Iamonico

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