Herbarium sheet, spiked water-milfoil, Myriophyllum spicatum, found in a ditch on Sandown Level, between Sandown and Brading, Isle of Wight, 1840

Herbarium sheet, spiked water-milfoil, Myriophyllum spicatum, found in a ditch on Sandown Level, between Sandown and Brading, Isle of Wight, 1840
Herbarium sheet, spiked water-milfoil, Myriophyllum spicatum, found in a ditch on Sandown Level, between Sandown and Brading, Isle of Wight, 1840