Nick Upton / Scots pine (Pinus sylvestris) with scorch mark from a recent lighting strike leaving a vertical scar in the bark where electrical currrent ran to earth down the tree, Cambridge, UK, July.

Thomas Lazar / Irregular black burn scorch mark on reddish bark of Giant sequoia tree (Sequoiadendron giganteum) Yosemite National Park, California, USA, June 2008

Nigel Cattlin / Narcissus leaf scorch (Didymella curtisii), on Narcissus 'Paperwhite' grown as a potted house plant for its fragrance

Nigel Cattlin / Narcissus leaf scorch (Didymella curtisii) on Narcissus 'Paperwhite' grown as a potted house plant for its fragrance

Nigel Cattlin / Thuja needle scorch, cedar or Keithia leaf blight (Didymascella thujina) fruiting bodies on western red cedar (Thuja plicata) leaflets

Nigel Cattlin / Leaf scorch (Peyronellaea curtisii) disease damage to a daffodil (Narcissus sp.) in a crop, Lincolshire, April