Flowers of white dead-nettle (Lamium album, Russian name Glukhaya Krapiva) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
Purple dead nettle like flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
Spring flowers at lower Nahal Mishmar river, near Dead Sea. The Middle East, February 21, 2002
Spring flowers along a trail in Nahal Mishmar canyon, near Dead Sea. The Middle East, February 21, 2002
Frostweed (Verbesina virginica) on sewer line right of way in Lick Creek Park. At the first hard freeze, even though the plant has gone to seed and looks dead, the roots are still active. The sap freezes, splits open the stem and forms these "frost-flowers". College Station, Texas, January 9, 2010
Dead orange flowers of leonotis killed by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
White flowers of Dead-nettle (Lamium) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
Flowers of white dead-nettle (Lamium album, Russian name Glukhaya Krapiva) near Olginsky Pond. Saint Petersburg, Russia, July 18, 2016