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Possibly under recorded.
J F Robinson 1902: "Frequent near Cottingham ..."
Herbarium material: HLU : Cottingham 1949 {R Good}; Cottingham 1952 {A K Wilson}; Hessle 1955 {A K Wilson}; Cottingham 1955 {A K Wilson}. HLL : Hessle 1936 {A K Wilson}; Hull 1937 {A K Wilson}.
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