Dicksonia

Template:Short description Template:Distinguish Template:Automatic taxobox

Dicksonia is a genus of tree ferns in the order Cyatheales. It is regarded as related to Cyathea, but is considered to retain more primitive traits, dating back at least to the Jurassic and Cretaceous periods. The fossil record includes stems, pinnules, and spores.

The genus contains 20–25 species, distributed from Mexico to Argentina, Brazil, Uruguay and Chile, St. Helena, New Zealand, New Caledonia, Australia, Indonesia, New Guinea, and the Philippines. New Guinea has the greatest diversity, with five species.

Species of Dicksonia found in cultivation include:

D. antarctica, soft tree fern<ref name=ANBG/>
D. fibrosa, woolly tree fern
D. squarrosa, rough or slender tree fern

The genus was first described by Charles Louis L'Héritier de Brutelle in 1788. The name honors James Dickson, a prominent nurseryman and botanist.<ref name=ANBG>Dicksonia antarctica – the soft tree fern. Australian National Botanic Gardens. 2008</ref>

SpeciesEdit

Plants of the World Online as of Template:As of recognizes the following species:<ref name="Plants of the World Online">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Image	Scientific name	Distribution
	Dicksonia amorosoana Template:Small	Philippines (Mindanao)
File:Dicksonia antarctica kz01.jpg	Dicksonia antarctica Template:Small, soft tree fern, Tasmanian tree fern	Australia
File:Fetos arbóreos no Jardim Municipal, Funchal - Aug 2012.jpg	Dicksonia arborescens Template:Small	St. Helena
	Dicksonia archboldii Template:Small	New Guinea
	Dicksonia baudouinii Template:Small	New Caledonia
	Dicksonia berteroana Template:Small	Juan Fernández Islands
File:Dicksonia blumei Edinburgh botanical garden 01.jpg	Dicksonia blumei Template:Small	Indonesia, Philippines
	Dicksonia brackenridgei Template:Small	Fiji, Samoa
	Dicksonia celebica Template:Small	Sulawesi.
	Dicksonia ceramica Template:Small	Maluku (Seram)
File:Dicksonia externa1.jpg	Dicksonia externa Template:Small	Juan Fernández Islands
File:Dicksonia fibrosa kz06.jpg	Dicksonia fibrosa Template:Small, woolly tree fern, kuripaka or wheki-ponga	New Zealand
File:Dicksonia gigantea (11310015693).jpg	Dicksonia grandis Template:Small	New Guinea
	Dicksonia herbertii Template:Small	Northeastern Queensland, Australia
	Dicksonia hieronymi Template:Small	New Guinea
	Dicksonia karsteniana Template:Small	Mexico to Venezuela and Bolivia
	Dicksonia lanata Template:Small	Tuokuro. New Zealand
	Dicksonia lanigera Template:Small	New Guinea
	Dicksonia lehnertiana Template:Small	Colombia
	Dicksonia mollis Template:Small	Indonesia
	Dicksonia munzingeri Template:Small	Solomon Islands to New Caledonia.
	Dicksonia perriei Template:Small	New Caledonia
	Dicksonia sciurus Template:Small	New Guinea
File:Dicksonia sellowiana in a Brasilian Forest.jpg	Dicksonia sellowiana Template:Small, xaxim, samambaiuçu (in Portuguese)	Southern Mexico through Central America and Northern South America to Bolivia and Uruguay
File:Dicksonia squarrosa, Christchurch Botanic Gardens, New Zealand 19.jpg	Dicksonia squarrosa Template:Small, rough tree fern, slender tree fern, New Zealand tree fern, wheki	New Zealand
	Dicksonia stuebelii Template:Small	Northern Peru
File:Gardenology.org-IMG 2502 rbgs11jan.jpg	Dicksonia thyrsopteroides Template:Small	New Caledonia
	Dicksonia timorensis Template:Small	Lesser Sunda Islands (Timor)
	Dicksonia utteridgei Template:Small	New Guinea
File:Gardenology.org-IMG 2495 rbgs11jan.jpg	Dicksonia youngiae Template:Small, bristly tree fern	Australia

PhylogenyEdit

Phylogeny of Dicksonia<ref>Template:Cite journal</ref><ref>{{#invoke:citation/CS1\|citation	CitationClass=web }}</ref>	Other species include:
Template:Clade	Template:Div col D. amorosoana Lehnert & Coritico 2018 D. celebica Lehnert 2018 D. ceramica Lehnert 2018 D. externa Skottsberg 1953 D. lehnertiana Noben et al. 2018 D. schlechteri Brause 1912 D. utteridgei Lehnert & Cámara-Leret 2018 Template:Div col end

ReferencesEdit

Template:Reflist

Large, M.F. and J.E. Braggins Tree Ferns. Timber Press, Inc. (2004).
Lobin, Wolfram. List of the American Dicksonia Species. Scientific Authority of Germany, Bonn 2001.

External linksEdit

Template:Plant classification Template:Fern classification Template:Taxonbar

Template:Cyatheales-stub Template:Tree-stub