William Nylander (botanist)

William (Wilhem) Nylander (3 January 1822 – 29 March 1899)[1] was a Finnish botanist and entomologist. Nylander was born in Oulu, and taught at the University of Helsinki before moving to Paris, where he lived until his death in 1899.

William Nylander (1885)

Nylander pioneered the technique of determining the taxonomy of lichens by the use of chemical reagents, such as tinctures of iodine and hypochlorite, still used by lichenologists to this day.

Nylander was the first to realise the effect of atmospheric pollution on the growth of lichens, an important discovery that paved the way for the use of lichens to detect pollution and determine the cleanness of air.

References
  1. Kotivuori, Yrjö (2005). "William Nylander". Ylioppilasmatrikkeli 1640–1852 (The alumni book) (in Finnish). Helsingin yliopisto. Retrieved 2015-01-22.
  2. IPNI.  Nyl.
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