American Samoa

American Samoa is at No 15 in the ferniest places in the World
It also has a large number of ferns (152)
There is more information about the botany of these islands here, including 2 useful reports by Dr. W. Arthur Whistler:
Technical Report 83: botanical inventory of the proposed Ta’u unit of the national park of American Samoa; February 1992
Technical report 87: botanical inventory of the proposed Tutuila and Ofu units of the national park of American Samoa; April 1994
The following maps are taken from Technical Report 83

This table was extracted from the website

Scientific NameAbundance
Acrostichum aureumCommon
Adiantum pedatumRare
Adiantum philippenseUncommon
Angiopteris evectaCommon
Angiopteris opacaOccasional
Antrophyum alatumOccasional
Antrophyum plantagineumOccasional
Arachniodes aristataUncommon
Arthropteris repensCommon
Asplenium australasicumCommon
Asplenium cuneatumOccasional
Asplenium feejeenseOccasional
Asplenium horridumUncommon
Asplenium insiticiumUncommon
Asplenium laserpitiifoliumOccasional
Asplenium marattioidesOccasional
Asplenium multifidumOccasional
Asplenium nidusCommon
Asplenium polyodonCommon
Asplenium powelliiUncommon
Asplenium tenerumUncommon
Asplenium unilateraleRare
Bolbitis palustrisOccasional
Calymmodon latealatusRare
Christella dentataUncommon
Christella harveyiCommon
Christella pacificaUncommon
Christella parasiticaOccasional
Christella subjunctaUncommon
Coryphopteris sp.Common
Ctenitis samoensisRare
Ctenopteris blechnoidesOccasional
Ctenopteris contiguaUncommon
Ctenopteris seemanniiOccasional
Ctenopteris tenuisectaUncommon
CyatheaCommon
Cyathea decurrensCommon
Cyathea lunulataCommon
Cyathea truncataCommon
Cyathea vaupeliiOccasional
Cyclosorus interruptusAbundant
Davallia epiphyllaCommon
Davallia graeffeiUncommon
Davallia heterophyllaOccasional
Davallia plumosaUncommon
Davallia repensUncommon
Davallia sessilifoliaUncommon
Davallia solida var. solidaCommon
Dennstaedtia sp.
Dicranopteris linearisOccasional
Diplazium bulbiferumUncommon
Diplazium dilatatumUncommon
Diplazium harpeodesUncommon
Diplazium proliferumUncommon
Dipteris conjugataAbundant
Dryopteris arborescensOccasional
Elaphoglossum feejeenseUncommon
Elaphoglossum reineckeiOccasional
Grammitis conformisUncommon
Grammitis hookeri = Polypodium hookeriUncommon
Haplopteris elongataOccasional
Haplopteris scolopendrinaUncommon
Histiopteris incisaCommon
Humata heterophyllaCommon
Humata polypodioidesUncommon
Humata serrataUncommon
Hypolepis aspidioidesOccasional
Hypolepis tenuifoliaUncommon
Lastreopsis davallioidesOccasional
Lindsaea ensifolia ssp. agatiiOccasional
Lindsaea harveyiUncommon
Lindsaea pacificaOccasional
Lindsaea pulchraUncommon
Lindsaea repensUncommon
Lindsaea tetragonaRare
Lomagramma cordipinnaCommon
Lunathyrium japonicumUncommon
Lycopodium carinatumUncommon
Lycopodium cernum = Lycopodiella cernaUncommon
Lycopodium phlegmaria = Huperzia manniiUncommon
Lycopodium squarrosumUncommon
Lycopodium sp.Uncommon
Macrothelypteris polypodioidesOccasional
Macrothelypteris torresianaOccasional
Marattia smithiiUncommon
Microlepia speluncaeOccasional
Microsorium sylvaticumOccasional
Nephrolepis biserrataCommon
Nephrolepis hirsutulaCommon
Oleandra neriiformisOccasional
Ophioglossum pendulumUncommon
Ophioglossum reticulatumRare
Ophioglossum reticulatum var. pacificaUncommon
Orthiopteris tenuisRare
Phymatosaurus grossus = P. scolopendriaCommon
Phymatosaurus nigrescensOccasional
Pityrogramma brackenridgeiUncommon
Pleocnemia leuzeanaOccasional
Plesioneuron attenuatumOccasional
PneumatopterisUncommon
Pneumatopteris bryaniiUncommon
Pneumatopteris costataRare
Pneumatopteris glanduliferaOccasional
Pneumatopteris magnificaCommon
Pneumatopteris rodigesianaUncommon
Pneumatopteris transversariaUncommon
Polypodium nigrescensUncommon
Polypodium subauriculatumUncommon
Polystichum aculeatumRare
Psilotum complanatumUncommon
Pteris comansOccasional
Pteris ensiformisOccasional
Pteris pacificaOccasional
Pteris tripartitaOccasional
Pteris vaupeliiUncommon
Pyrrosia adnascensCommon
Pyrrosia lanceolataCommon
Selaginella laxaUncommon
Selaginella whitmeeiOccasional
Sphaerostephanos invisusOccasional
Sphaerostephanos reineckeiUncommon
Sphaerostephanos unitusUncommon
Sphenomeris chinensisUncommon
Tectaria chrysotrichaUncommon
Tectaria decurrensOccasional
Tectaria setchelliiOccasional
Tectaria stearnsiiCommon
Vaginularia angustissimaOccasional
Vittaria elongata = Haplopteris elongataOccasional
Vittaria scolopendrinaUncommon
Print Friendly, PDF & Email

Leave a Reply

Your email address will not be published. Required fields are marked *