Nigel Cattlin / Crown imperial (Fritillaria imperialis) flower head, close up.

Eric Dragesco / Crown imperial or Kaiser's crown (Fritillaria imperialis) in flower, Dashti Jum Reserve, Tadjikistan, April

Eric Dragesco / Tadjik guide with photographer Eric Dragesco in Brown Bear (Ursus arctos) habitat with many Crown imperials / Kaiser's crown (Fritillaria imperialis) flowers, Dashti Jum Reserve, Tadjikistan, April 20...

Gavin Hellier / Chalets at Kitzbuhel and the Wilder Kaiser mountain range, Tirol, Austria, 2009

Gavin Hellier / Church tower with onion dome at Ellmau ski resort, Wilder Kaiser mountains beyond, Tirol, Austria, 2009

Chris Mattison / Kaiser's spotted newt (Neurergus kaiseri), captive, endemic to Iran.

Stefan Huwiler / Kaiser Park, Schoenbrunn Palace. Vienna, Austria, Europe, May.