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Australian ferns & fern allies |
There are 30 pteridophyte species known from Christmas Island. Only one is endemic to the Island. Most of the species are widespread or pantropical, or are common in Malesia, a reflection of the geographic position of the island.
Aus = Australia; Chr = Christmas Is; Ind =India; Mal = Malesia; Mad = Madagascar and the Mascarenes; Afr = Africa; Pac = Pacific
| Family | Species | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Notes | |
|---|---|---|---|---|---|---|---|---|---|---|
| Lycopodiaceae | Huperzia phlegmaria | Aus | Chr | Mal | Native; uncommon | |||||
| Selaginellaceae | Selaginella alutacia | Chr | Mal | Native; rare | ||||||
| Psilotaceae | Psilotum nudum | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; common | |
| Adiantaceae | Pityrogramma calomelanos var. calomelanos |
Aus | Chr | Ind | Mal | Mad | Afr | Pac | Introduced, naturalized; common | |
| Aspleniaceae | Asplenium nidus | Aus | Chr | Ind | Mal | Pac | Native; abundant | |||
| Aspleniaceae | Asplenium polyodon | Aus | Chr | Ind | Mal | Mad | Pac | Native; frequent | ||
| Aspleniaceae | Asplenium listeri | Chr | Endemic; uncommon | |||||||
| Davalliaceae | Davallia solida | Aus | Chr | Mal | Pac | Native; common | ||||
| Davalliaceae | Davallia denticulata | Aus | Chr | Ind | Mal | Pac | Native; common | |||
| Dennstaedtiaceae | Microlepia speluncae | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; uncommon | |
| Dryopteridaceae | Pteridrys syrmatica | Chr | Ind | Mal | Native; frequent | |||||
| Dryopteridaceae | Tectaria devexa var. minor |
Aus | Chr | Ind | Native | |||||
| Dryopteridaceae | Tectaria dissecta | Chr | Mal | Pac | Native; not uncommon | |||||
| Dryopteridaceae | Tectaria siifolia | Aus | Chr | Mal | Native; rare | |||||
| Hymenophyllaceae | Crepidomanes saxifragoides | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; often overlooked | |
| Lomariopsidaceae | Bolbitis heteroclita | Chr | Mal | Pac | Native; common | |||||
| Oleandraceae | Arthropteris palisotii | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; occasional | |
| Oleandraceae | Nephrolepis biserrata | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; abundant | |
| Oleandraceae | Nephrolepis multiflora | Aus | Chr | Ind | Mal | Pac | Native; abundant | |||
| Ophioglossaceae | Ophioglossum pendulum | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; uncommon | |
| Ophioglossaceae | Ophioglossum reticulatum f. complicatum |
Aus | Chr | Mal | Pac | Native; uncommon | ||||
| Polypodiaceae | Leptochilus decurrens | Chr | Mal | Native | ||||||
| Polypodiaceae | Microsorum punctatum | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; abundant | |
| Polypodiaceae | Microsorum scolopendria | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; common | |
| Polypodiaceae | Pyrrosia lanceolata | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; abundant | |
| Pteridaceae | Pteris tripartita | Aus | Chr | Mal | Mad | Afr | Pac | Native; frequent | ||
| Pteridaceae | Pteris vittata | Aus | Chr | Mal | Native; common | |||||
| Thelypteridaceae | Amphineuron opulentum | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Recent introduction | |
| Thelypteridaceae | Pneumatopteris truncata | Chr | Ind | Mal | Native; uncommon | |||||
| Vittariaceae | Vittaria elongata | Aus | Chr | Ind | Mal | Mad | Afr | Pac | Native; common | |
