Liverwort - General Characteristics, Life Cycle, Spore Dispersal, Evolution - Asexual reproduction. (n.d.). Retrieved May 22, 2016, from http://science.jrank.org/pages/3970/Liverwort.html
Liverworts. (n.d.). Retrieved May 20, 2016, from http://www.backyardnature.net/liverwrt.htm
Liverworts and Hornworts - Boundless Open Textbook. (n.d.). Retrieved May 20, 2016, from https://www.boundless.com/biology/textbooks/boundless-biology-textbook/seedless-plants-25/bryophytes-156/liverworts-and-hornworts-611-11830/
Mosses and Liverworts (Bryophyta). (n.d.). Retrieved May 20, 2016, from http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/M/Mosses.html
The Editors of Encyclopædia Britannica. (n.d.). Liverwort. Retrieved May 20, 2016, from http://www.britannica.com/plant/liverwort
What is a liverwort? (n.d.). Retrieved May 20, 2016, from https://www.anbg.gov.au/bryophyte/what-is-liverwort.html
Liverworts. (n.d.). Retrieved May 20, 2016, from http://www.backyardnature.net/liverwrt.htm
Liverworts and Hornworts - Boundless Open Textbook. (n.d.). Retrieved May 20, 2016, from https://www.boundless.com/biology/textbooks/boundless-biology-textbook/seedless-plants-25/bryophytes-156/liverworts-and-hornworts-611-11830/
Mosses and Liverworts (Bryophyta). (n.d.). Retrieved May 20, 2016, from http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/M/Mosses.html
The Editors of Encyclopædia Britannica. (n.d.). Liverwort. Retrieved May 20, 2016, from http://www.britannica.com/plant/liverwort
What is a liverwort? (n.d.). Retrieved May 20, 2016, from https://www.anbg.gov.au/bryophyte/what-is-liverwort.html