West, W. & West, G.S. (1901). The alga-flora of Yorkshire: a complete account of the known freshwater algae of the county, with many notes on their affinities and distribution. Botanical transactions of the Yorkshire Naturalists' Union, 5: 239 pp.
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West, W. & West, G.S.
1901
The alga-flora of Yorkshire: a complete account of the known freshwater algae of the county, with many notes on their affinities and distribution
Botanical transactions of the Yorkshire Naturalists' Union