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Genus of ferns From Wikipedia, the free encyclopedia
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.
| Dicksonia | |
|---|---|
 | |
| Dicksonia antarctica | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Cyatheales |
| Family: | Dicksoniaceae |
| Genus: | Dicksonia L'Hér. |
| Type species | |
| Dicksonia arborescens | |
| Species | |
|
See text. | |
| Synonyms | |
| |
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:
The genus was first described by Charles Louis L'Héritier de Brutelle in 1788. The name honors James Dickson, a prominent nurseryman and botanist.[1]
Plants of the World Online as of As of January 2023[update] recognizes the following species:[2]
| Image | Scientific name | Distribution |
|---|---|---|
| Dicksonia amorosoana Lehnert & Coritico | Philippines (Mindanao) | |
 | Dicksonia antarctica Labill., soft tree fern, Tasmanian tree fern | Australia |
 | Dicksonia arborescens L'Hér. | St. Helena |
| Dicksonia archboldii Copel. | New Guinea | |
| Dicksonia baudouinii E.Fourn. | New Caledonia | |
| Dicksonia berteroana (Colla) Hook. | Juan Fernández Islands | |
 | Dicksonia blumei (Kunze) T.Moore | Indonesia, Philippines |
| Dicksonia brackenridgei Mett. | Fiji, Samoa | |
| Dicksonia celebica Lehnert | Sulawesi. | |
| Dicksonia ceramica Lehnert | Maluku (Seram) | |
 | Dicksonia externa Skottsb. | Juan Fernández Islands |
 | Dicksonia fibrosa Colenso, woolly tree fern, kuripaka or wheki-ponga | New Zealand |
.jpg) | Dicksonia grandis Rosenst. | New Guinea |
| Dicksonia herbertii W.Hill | Northeastern Queensland, Australia | |
| Dicksonia hieronymi Brause | New Guinea | |
| Dicksonia karsteniana (Klotzsch) T.Moore | Mexico to Venezuela and Bolivia | |
| Dicksonia lanata Colenso | Tuokuro. New Zealand | |
| Dicksonia lanigera Holttum | New Guinea | |
| Dicksonia lehnertiana Noben, F.Giraldo, W.D.Rodr. & A.Tejedor | Colombia | |
| Dicksonia mollis Holttum | Indonesia | |
| Dicksonia munzingeri Noben & Lehnert | Solomon Islands to New Caledonia. | |
| Dicksonia perriei Noben & Lehnert | New Caledonia | |
| Dicksonia sciurus C.Chr. | New Guinea | |
 | Dicksonia sellowiana (C.Presl) Hook., xaxim, samambaiuçu (in Portuguese) | Southern Mexico through Central America and Northern South America to Bolivia and Uruguay |
 | Dicksonia squarrosa (G.Forst.) Sw., rough tree fern, slender tree fern, New Zealand tree fern, wheki | New Zealand |
| Dicksonia stuebelii Hieron. | Northern Peru | |
 | Dicksonia thyrsopteroides Mett. | New Caledonia |
| Dicksonia timorensis Adjie | Lesser Sunda Islands (Timor) | |
| Dicksonia utteridgei Lehnert & Cámara-Leret | New Guinea | |
 | Dicksonia youngiae C.Moore ex Baker, bristly tree fern | Australia |
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Other species include:
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