Web Directory

» Asterella
   Information on the genus.
   http://nativeplants.csuci.edu/asterella.asp#nogo

» Asterella bolanderi
   Ecology and conservation status.
   http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Asterella+bolanderi

» Asterella tenella
   Description and photo by Li Zhang.
   http://bryophytes.plant.siu.edu/imAsterellaTenella.html

» Reboulia
   Description of the characteristics of this genus and of the species Reboulia hemisphaerica.
   http://www.mobot.org/plantscience/bfna/V3/AytoReboulia.htm

» Reboulia hemisphaerica
   Photograph showing the archegonia.
   http://www.dipbot.unict.it/sistematica/Marc_mac.html