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 Name | Abundance |
---|---|
Acrostichum aureum | Common |
Adiantum pedatum | Rare |
Adiantum philippense | Uncommon |
Angiopteris evecta | Common |
Angiopteris opaca | Occasional |
Antrophyum alatum | Occasional |
Antrophyum plantagineum | Occasional |
Arachniodes aristata | Uncommon |
Arthropteris repens | Common |
Asplenium australasicum | Common |
Asplenium cuneatum | Occasional |
Asplenium feejeense | Occasional |
Asplenium horridum | Uncommon |
Asplenium insiticium | Uncommon |
Asplenium laserpitiifolium | Occasional |
Asplenium marattioides | Occasional |
Asplenium multifidum | Occasional |
Asplenium nidus | Common |
Asplenium polyodon | Common |
Asplenium powellii | Uncommon |
Asplenium tenerum | Uncommon |
Asplenium unilaterale | Rare |
Bolbitis palustris | Occasional |
Calymmodon latealatus | Rare |
Christella dentata | Uncommon |
Christella harveyi | Common |
Christella pacifica | Uncommon |
Christella parasitica | Occasional |
Christella subjuncta | Uncommon |
Coryphopteris sp. | Common |
Ctenitis samoensis | Rare |
Ctenopteris blechnoides | Occasional |
Ctenopteris contigua | Uncommon |
Ctenopteris seemannii | Occasional |
Ctenopteris tenuisecta | Uncommon |
Cyathea | Common |
Cyathea decurrens | Common |
Cyathea lunulata | Common |
Cyathea truncata | Common |
Cyathea vaupelii | Occasional |
Cyclosorus interruptus | Abundant |
Davallia epiphylla | Common |
Davallia graeffei | Uncommon |
Davallia heterophylla | Occasional |
Davallia plumosa | Uncommon |
Davallia repens | Uncommon |
Davallia sessilifolia | Uncommon |
Davallia solida var. solida | Common |
Dennstaedtia sp. | |
Dicranopteris linearis | Occasional |
Diplazium bulbiferum | Uncommon |
Diplazium dilatatum | Uncommon |
Diplazium harpeodes | Uncommon |
Diplazium proliferum | Uncommon |
Dipteris conjugata | Abundant |
Dryopteris arborescens | Occasional |
Elaphoglossum feejeense | Uncommon |
Elaphoglossum reineckei | Occasional |
Grammitis conformis | Uncommon |
Grammitis hookeri = Polypodium hookeri | Uncommon |
Haplopteris elongata | Occasional |
Haplopteris scolopendrina | Uncommon |
Histiopteris incisa | Common |
Humata heterophylla | Common |
Humata polypodioides | Uncommon |
Humata serrata | Uncommon |
Hypolepis aspidioides | Occasional |
Hypolepis tenuifolia | Uncommon |
Lastreopsis davallioides | Occasional |
Lindsaea ensifolia ssp. agatii | Occasional |
Lindsaea harveyi | Uncommon |
Lindsaea pacifica | Occasional |
Lindsaea pulchra | Uncommon |
Lindsaea repens | Uncommon |
Lindsaea tetragona | Rare |
Lomagramma cordipinna | Common |
Lunathyrium japonicum | Uncommon |
Lycopodium carinatum | Uncommon |
Lycopodium cernum = Lycopodiella cerna | Uncommon |
Lycopodium phlegmaria = Huperzia mannii | Uncommon |
Lycopodium squarrosum | Uncommon |
Lycopodium sp. | Uncommon |
Macrothelypteris polypodioides | Occasional |
Macrothelypteris torresiana | Occasional |
Marattia smithii | Uncommon |
Microlepia speluncae | Occasional |
Microsorium sylvaticum | Occasional |
Nephrolepis biserrata | Common |
Nephrolepis hirsutula | Common |
Oleandra neriiformis | Occasional |
Ophioglossum pendulum | Uncommon |
Ophioglossum reticulatum | Rare |
Ophioglossum reticulatum var. pacifica | Uncommon |
Orthiopteris tenuis | Rare |
Phymatosaurus grossus = P. scolopendria | Common |
Phymatosaurus nigrescens | Occasional |
Pityrogramma brackenridgei | Uncommon |
Pleocnemia leuzeana | Occasional |
Plesioneuron attenuatum | Occasional |
Pneumatopteris | Uncommon |
Pneumatopteris bryanii | Uncommon |
Pneumatopteris costata | Rare |
Pneumatopteris glandulifera | Occasional |
Pneumatopteris magnifica | Common |
Pneumatopteris rodigesiana | Uncommon |
Pneumatopteris transversaria | Uncommon |
Polypodium nigrescens | Uncommon |
Polypodium subauriculatum | Uncommon |
Polystichum aculeatum | Rare |
Psilotum complanatum | Uncommon |
Pteris comans | Occasional |
Pteris ensiformis | Occasional |
Pteris pacifica | Occasional |
Pteris tripartita | Occasional |
Pteris vaupelii | Uncommon |
Pyrrosia adnascens | Common |
Pyrrosia lanceolata | Common |
Selaginella laxa | Uncommon |
Selaginella whitmeei | Occasional |
Sphaerostephanos invisus | Occasional |
Sphaerostephanos reineckei | Uncommon |
Sphaerostephanos unitus | Uncommon |
Sphenomeris chinensis | Uncommon |
Tectaria chrysotricha | Uncommon |
Tectaria decurrens | Occasional |
Tectaria setchellii | Occasional |
Tectaria stearnsii | Common |
Vaginularia angustissima | Occasional |
Vittaria elongata = Haplopteris elongata | Occasional |
Vittaria scolopendrina | Uncommon |