title: Haesselia
text: # Haesselia
  
  Haesselia is a genus of liverworts in the family Cephaloziaceae. It contains the following species (but this list may be incomplete):
  
  * Haesselia roraimensis Grolle & Gradst.
  * Haesselia acuminata Gradst.
  
  The genus name of Haesselia is in honour of Gabriela Gustava Hässel de Menéndez (1927-2009), who was an Argentinian botanist (Bryology), who also was a Geologist.
  
  The genus was circumscribed by Riclef Grolle and Stephan Robbert Gradstein in J. Hattori Bot. Lab. vol.64 on page 327 in 1988.
  
  