Journal
	
		Botanical Journal of the Linnean Society.
Articles
	- 
		Hibberd, D.J., 1976.
			The ultrastructure and taxonomy of the Chrysophyceae and Prymnesiophyceae (Haptophyceae): a survey with some new observations on the ultrastructure of the Chrysophyceae: 55-80.
	
- 
		Dahlgren, R.M.T., 1980.
			A revised system of classification of the angiosperms: 91-124.
	
- 
		Dahlgren, G., 1989b.
			An updated angiosperm classification: 197-203.
	
- 
		Novarino, G. & Lucas, I.A.N., 1993.
			Some proposals for a new classification system of the Cryptophyceae: 3-21.
	
- 
		Clay, B.L., Kugrens, P. & Lee, R.E., 1999.
			A revised classification of Cryptophyta: 131-151.
	
- 
		The Angiosperm Phylogeny Group II (comps.), 2003.
			An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II: 399-436, 1 fig..
	
- 
		The Angiosperm Phylogeny Group III (comps.), 2009.
			An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III: 105-121, 1 fig..
	
- 
		Chase, M.W. & Reveal, J.L., 2009.
			A phylogenetic classification of the land plants to accompany APG III: 122-127, 1 fig..
	
- 
		The Angiosperm Phylogeny Group IV (comps.), 2016.
			An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV: 1-20.
	
- 
		Edwards, D., Honegger, R., Axe, L. & Morris, J.L., 2018.
			Anatomically preserved Silurian 'nematophytes' from the Welsh Borderland (UK): 272-291.