Paku tihang beureum  ; Alsophila nyaéta hiji tutuwuhan paku anu asalna tina kulawarga Cyatheaceae. Éta ogé parantos dianggap bagéan tina genus Cyathea.  Alsophila  ayeuna dipisahkeun sareng genera anu sanés dina kulawarga Cyatheaceae utamina dumasar kana  filogénetik molekular.

Ciri mandiri 
Spésiés  Alsophila  tangkalna ajeg ka luhur tur henteu mibanda dahan, ilaharna mingkin ka luhur tangkalna mingkin ngaleutikan. Palapah daunna baradag, kitu deui gagangna .

Anu ngabédakeun Alsophila jeung Sphaeropteris tayalian ukuran gagangna, sareng rambut apikal atanapi tulang tonggong (seta), teu sapertos Cyathea. Hiasan spora ogé ngabédakeun  Alsophila  sareng  Cyathea .

Taksonomi
Genus Alsophila mimiti diguar ku Robert Brown taun 1810. Éta ditempatkeun dina kulawarga Cyatheaceae. Babagian kulawarga turta genera ieu  parantos ngagaduhan sajarah anu panjang sareng parobahan/kontroversial. Tilu atanapi opat clade diusulkeun dumasar kana  filogénetik molekular.  Klasifikasi Pteridophyte Phylogeny Group klasifikasi 2016 (PPG I) nampi tilu genera, nempatkeun  Gymnosphaera  clade dina  Alsophila . Dina taun  2018, Dong jeung  Zuo ngusulkeun hubungan anu dipidangkeun dina cladogram di handap, sareng nyayogikeun nami-nami dina  Gymnosphaera  pikeun spésiés anu dianggapna kagolong kana genus ieu.

Sumber anu langkung lami, sapertos ngadaptar Organisasi New Zealand  taun (2004), nempatkeun  Alsophila  dina jero anu ditetepkeun sacara umum  Cyathea .

Spésiés
Golongan. Pteridophyte Phylogeny Group classification of 2016 (PPG I) bagéan tina genus Alsophila kalawan mibanda 275 spésiés.
,  Checklist of Ferns and Lycophytes of the World nempatkeun spésiés :

Alsophila abbottii (syn. Cyathea abbottii)
Alsophila acanthophora (syn. Cyathea acanthophora)
Alsophila acaulis (syn. Cyathea hancockii)
Alsophila acrostichoides (syn. Cyathea acrostichoides)
Alsophila acuminata (syn. Cyathea acuminata)
Alsophila acutula
Alsophila albida
Alsophila alderwereltii (syn. Cyathea alderwereltii)
Alsophila alleniae (syn. Cyathea alleniae)
Alsophila alpina (syn. Cyathea alpicola)
Alsophila alta
Alsophila alternans
Alsophila alticola
Alsophila amboinensis (syn. Cyathea amboinensis)
Alsophila andersonii (syn. Cyathea andersonii)
Alsophila andohahelensis
Alsophila aneitensis (syn. Cyathea aneitensis)
Alsophila angiensis
Alsophila annae (syn. Cyathea annae)
Alsophila apiculata (syn. Cyathea apiculata)
Alsophila apoensis (syn. Cyathea apoensis)
Alsophila appendiculata
Alsophila approximata (syn. Cyathea approximata)
Alsophila archboldii (syn. Cyathea archboldii)
Alsophila atropurpurea (syn. Cyathea atropurpurea)
Alsophila auneae (syn. Cyathea pubescens)
Alsophila auriculata
Alsophila australis (syn. Cyathea australis)
Alsophila austroyunnanensis
Alsophila baileyana (syn. Cyathea baileyana)
Alsophila balanocarpa (syn. Cyathea balanocarpa)
Alsophila basirotundata
Alsophila batjanensis (syn. Cyathea batjanensis)
Alsophila bellisquamata
Alsophila biformis (syn. Cyathea biformis)
Alsophila binayana
Alsophila bisquamata
Alsophila boiviniiformis
Alsophila borbonica
Alsophila borneensis (syn. Cyathea borneensis)
Alsophila × boytelii
Alsophila brausei (syn. Cyathea hunsteiniana)
Alsophila brevipinna (syn. Cyathea brevipinna)
Alsophila brooksii (syn. Cyathea brooksii)
Alsophila bryophila (syn. Cyathea bryophila)
Alsophila buennemeijeri
Alsophila bullata
Alsophila callosa (syn. Cyathea callosa)
Alsophila camerooniana (syn. Cyathea camerooniana)
Alsophila capensis (syn. Cyathea capensis)
Alsophila catillifera (syn. Cyathea catillifera)
Alsophila caudata (syn. Cyathea caudata)
Alsophila celebica
Alsophila celsa
Alsophila cincinnata (syn. Cyathea cincinnata)
Alsophila cinerea (syn. Cyathea cinerea)
Alsophila coactilis (syn. Cyathea coactilis)
Alsophila colensoi (syn. Cyathea colensoi)
Alsophila commutata (syn. Cyathea recommutata)
Alsophila conantiana
Alsophila conferta
Alsophila confinis
Alsophila costalisora (syn. Cyathea costalisora)
Alsophila coursii
Alsophila crenulata (syn. Cyathea raciborskii)
Alsophila crinita
Alsophila cubensis
Alsophila cucullifera (syn. Cyathea cucullifera)
Alsophila cunninghamii (syn. Cyathea cunninghamii)
Alsophila cuspidata (syn. Cyathea cuspidata)
Alsophila dealbata (syn. Cyathea dealbata, silver fern)
Alsophila deckenii (syn. Cyathea deckenii)
Alsophila decrescens (syn. Cyathea decrescens)
Alsophila dicksonioides (syn. Cyathea dicksonioides)
Alsophila dilatata
Alsophila dimorpha (syn. Cyathea dimorpha)
Alsophila doctersii (syn. Cyathea doctersii)
Alsophila dregei (syn. Cyathea dregei)
Alsophila dryopteroides (syn. Cyathea dryopteroides)
Alsophila edanoi (syn. Cyathea edanoi)
Alsophila elata
Alsophila emilei
Alsophila engelii (syn. Cyathea elongata)
Alsophila erinacea (syn. Cyathea erinacea)
Alsophila eriophora (syn. Cyathea eriophora)
Alsophila esmeraldensis
Alsophila everta (syn. Cyathea everta)
Alsophila excavata (syn. Cyathea excavata)
Alsophila × fagildei
Alsophila fenicis (syn. Cyathea fenicis)
Alsophila ferdinandii (syn. Cyathea macarthurii)
Alsophila ferruginea (syn. Cyathea ferruginea)
Alsophila firma (syn. Cyathea mexicana)
Alsophila foersteri (syn. Cyathea foersteri)
Alsophila fulgens (syn. Cyathea fulgens)
Alsophila fuliginosa (syn. Cyathea fuliginosa)
Alsophila gastonyi
Alsophila geluensis (syn. Cyathea geluensis)
Alsophila gigantea (syn. Cyathea gigantea)
Alsophila glaberrima (syn. Cyathea glaberrima)
Alsophila glabra (syn. Cyathea glabra)
Alsophila glaucifolia
Alsophila gleichenioides (syn. Cyathea gleichenioides)
Alsophila grangaudiana
Alsophila gregaria (syn. Cyathea gregaria)
Alsophila grevilleana (syn. Cyathea grevilleana)
Alsophila halconensis (syn. Cyathea halconensis)
Alsophila havilandii (syn. Cyathea havilandii)
Alsophila hebes
Alsophila henryi (syn. Cyathea henryi)
Alsophila hermannii (syn. Cyathea christii)
Alsophila heterochlamydea (syn. Cyathea heterochlamydea)
Alsophila hooglandii (syn. Cyathea hooglandii)
Alsophila hookeri (syn. Cyathea hookeri)
Alsophila hornei (syn. Cyathea hornei)
Alsophila horridula (syn. Cyathea horridula)
Alsophila hotteana (syn. Cyathea hotteana)
Alsophila humbertiana
Alsophila humilis (syn. Cyathea humilis)
Alsophila hyacinthei
Alsophila hymenodes (syn. Cyathea hymenodes)
Alsophila imbricata (syn. Cyathea imbricata)
Alsophila impolita
Alsophila imrayana (syn. Cyathea imrayana)
Alsophila incana (syn. Cyathea incana)
Alsophila incisoserrata (syn. Cyathea incisoserrata)
Alsophila inquinans (syn. Cyathea inquinans)
Alsophila insulana (syn. Cyathea insulana)
Alsophila isaloensis
Alsophila javanica (syn. Cyathea javanica)
Alsophila jimeneziana (syn. Cyathea crassa)
Alsophila junghuhniana (syn. Cyathea junghuhniana)
Alsophila katoi
Alsophila kermadecensis (syn. Cyathea kermadecensis)
Alsophila khasyana (syn. Cyathea khasyana)
Alsophila kirkii
Alsophila klossii (syn. Cyathea klossii)
Alsophila lamoureuxii
Alsophila lastii
Alsophila latebrosa (syn. Cyathea latebrosa)
Alsophila latipinnula (syn. Cyathea latipinnula)
Alsophila leichhardtiana
Alsophila lepidoclada (syn. Cyathea lepidoclada)
Alsophila lepifera
Alsophila leptochlamys
Alsophila ligulata
Alsophila lilianiae (syn. Cyathea kanéhirae)
Alsophila lisyae
Alsophila loerzingii (syn. Cyathea loerzingii)
Alsophila loheri (syn. Cyathea loheri)
Alsophila longipes (syn. Cyathea longipes)
Alsophila longipinnata
Alsophila longispina
Alsophila lurida (syn. Cyathea lurida)
Alsophila macgillivrayi (syn. Cyathea macgillivrayi)
Alsophila macgregorii (syn. Cyathea macgregorii)
Alsophila macropoda (syn. Cyathea macropoda)
Alsophila magnifolia (syn. Cyathea magnifolia)
Alsophila major
Alsophila manniana (syn. Cyathea manniana)
Alsophila mapahuwensis
Alsophila marattioides (syn. Cyathea marattioides)
Alsophila × marcescens (syn. Cyathea × marcescens)
Alsophila masapilidensis (syn. Cyathea masapilidensis)
Alsophila matitanensis (syn. Cyathea madagascarica)
Alsophila media (syn. Cyathea media)
Alsophila medinae (syn. Cyathea × medinae)
Alsophila melleri
Alsophila meridionalis
Alsophila mesosora (syn. Cyathea mesosora)
Alsophila metteniana (syn. Cyathea metteniana)
Alsophila microchlamys (syn. Cyathea microchlamys)
Alsophila microphylloides (syn. Cyathea microphylloides)
Alsophila mildbraedii (syn. Cyathea mildbraedii)
Alsophila milnei (syn. Cyathea milnei)
Alsophila minervae
Alsophila minor (syn. Cyathea minor)
Alsophila modesta (syn. Cyathea modesta)
Alsophila montana (syn. Cyathea costulisora)
Alsophila mossambicensis (syn. Cyathea mossambicensis)
Alsophila mostellaria
Alsophila muelleri (syn. Cyathea muelleri)
Alsophila murkelensis
Alsophila negrosiana (syn. Cyathea negrosiana)
Alsophila nicklesii (syn. Cyathea nicklesii)
Alsophila nigrolineata (syn. Cyathea nigrolineata)
Alsophila nigropaleata (syn. Cyathea nigropaleata)
Alsophila nilgirensis (syn. Cyathea nilgirensis)
Alsophila nockii (syn. Cyathea nockii)
Alsophila obtecta
Alsophila obtusiloba (syn. Cyathea obtusiloba)
Alsophila odonelliana
Alsophila ogurae (syn. Cyathea ogurae)
Alsophila ohaensis
Alsophila oinops (syn. Cyathea oinops)
Alsophila oosora (syn. Cyathea oosora)
Alsophila orientalis (syn. Cyathea orientalis)
Alsophila orthogonalis
Alsophila pachyrrhachis (syn. Cyathea pachyrrhachis)
Alsophila pacifica
Alsophila pallidipaleata (syn. Cyathea pallidipaleata)
Alsophila patellifera (syn. Cyathea patellifera)
Alsophila percrassa (syn. Cyathea percrassa)
Alsophila perpelvigera (syn. Cyathea perpelvigera)
Alsophila perpunctulata (syn. Cyathea perpunctulata)
Alsophila perrieriana (syn. Cyathea perrieriana)
Alsophila phlebodes
Alsophila physolepidota (syn. Cyathea physolepidota)
Alsophila pilosula
Alsophila plagiostegia (syn. Cyathea plagiostegia)
Alsophila podophylla (syn. Cyathea podophylla)
Alsophila polycarpa (syn. Cyathea polycarpa)
Alsophila polystichoides (syn. Cyathea polystichoides)
Alsophila poolii
Alsophila portoricensis (syn. Cyathea portoricensis)
Alsophila pruinosa (syn. Cyathea pruinosa)
Alsophila pseudobellisquamara
Alsophila pseudomuelleri (syn. Cyathea pseudomuelleri)
Alsophila punctulata (syn. Cyathea punctulata)
Alsophila pycnoneura (syn. Cyathea pycnoneura)
Alsophila quadrata
Alsophila ramispina (syn. Cyathea ramispina)
Alsophila ramispinoides
Alsophila rebeccae (syn. Cyathea rebeccae)
Alsophila recurvata (syn. Cyathea recurvata)
Alsophila rigens (syn. Cyathea rigens)
Alsophila rolandii
Alsophila roroka
Alsophila rosenstockii (syn. Cyathea ascendens)
Alsophila rouhaniana
Alsophila rubella (syn. Cyathea rubella)
Alsophila rubiginosa (syn. Cyathea rubiginosa)
Alsophila rufopannosa (syn. Cyathea rufopannosa)
Alsophila rupestris (syn. Cyathea rupestris)
Alsophila saccata (syn. Cyathea saccata)
Alsophila salletii (syn. Cyathea salletii)
Alsophila salvinii (syn. Cyathea salvinii)
Alsophila scandens (syn. Cyathea scandens)
Alsophila schlechteri (syn. Cyathea schlechteri)
Alsophila schliebenii (syn. Cyathea fadenii)
Alsophila sechellarum (syn. Cyathea sechellarum)
Alsophila semiamplectens (syn. Cyathea semiamplectens)
Alsophila serratifolia (syn. Cyathea serratifolia)
Alsophila setosa (syn. Cyathea setosa)
Alsophila setulosa (syn. Cyathea setulosa)
Alsophila similis
Alsophila simulans
Alsophila sinuata (syn. Cyathea sinuata)
Alsophila smithii (syn. Cyathea smithii)
Alsophila societarum
Alsophila solomonensis (syn. Cyathea solomonensis)
Alsophila spinulosa (syn. Cyathea spinulosa)
Alsophila stelligera
Alsophila sternbergii
Alsophila subdubia (syn. Cyathea subdubia)
Alsophila subtripinnata (syn. Cyathea subtripinnata)
Alsophila sumatrana (syn. Cyathea sumatrana)
Alsophila tanzaniana (syn. Cyathea schliebenii)
Alsophila tenuis (syn. Cyathea tenuicaulis)
Alsophila ternatea (syn. Cyathea ternatea)
Alsophila thomsonii (syn. Cyathea thomsonii)
Alsophila tryoniana (syn. Cyathea tryoniana)
Alsophila tsaratananensis
Alsophila tsilotsilensis (syn. Cyathea tsilotsilensis)
Alsophila tussacii (syn. Cyathea tussacii)
Alsophila tuyamae
Alsophila urbanii (syn. Cyathea urbanii)
Alsophila valdesquamata
Alsophila vandeusenii (syn. Cyathea vandeusenii)
Alsophila veitchii
Alsophila vieillardii (syn. Cyathea vieillardii)
Alsophila viguieri
Alsophila walkerae (syn. Cyathea walkerae)
Alsophila weidenbrueckii
Alsophila welwitschii (syn. Cyathea welwitschii)
Alsophila wengiensis (syn. Cyathea wengiensis)
Alsophila woodwardioides (syn. Cyathea woodwardioides)
Alsophila woollsiana (syn. Cyathea woollsiana)
Alsophila zakamenensis (syn. Cyathea zakamenensis

Sebaran sareng habitat
Genus Alsophila ieu, loba kapanggih hirup di wewengkon  tropis aya ogé di subtropis, ti Amérika Kalér sareng Kidul, ngaliwatan Afrika, Madagaskar sareng tropis Asia, ka wétan Australasia dugi ka kidul dugi ka subantarctic kapuloan  Auckland. Éta aya di leuweung montane anu beueus, di lamping atanapi di jurang, janten bagian tina kanopi handap, tengah, understorey atanapi lapisan luhur taneuh.

Budidaya
Alsophila spésiés sadayana meryogikeun lingkungan tiris atanapi ampir teu aya dina ibun, beueus sacara permanén , kaayaan kaiuhan.  Anu parantos dipelak di Éropa di luar habitat asalna kaasup A. australis, A. cunninghamii, A. dealbata, A. leichhardtiana and A. rebeccae. Spésiés séjén dipelak di daérah asalna. Di Australia, A. australis ilahar dipelak sareng mangrupa spésiés anu kuat, kuat kapanasan salami aya dina taneuh anu beueus. A. dregei mangrupikeun pepelakan kebon anu kawentar di Afrika Kidul, ieu tutuwuhan dikumpulkeun ti alam liar sahingga sering kajantenan ieu tutuwuhan tumpur di sababaraha daérah.

Kabudayaan
Alsophila dealbata Parantos janten hiji lambang anu dipiwanoh ku balaréa di New Zealand, sanaos sanés lambang pejabat nasional.

Dina taun 1971 pilem komedi A New Leaf, Henrietta Lowell  (salaku Elaine May) tayalian ahli tutuwuhan anu impianana pikeun ngaguar sarta ngantétkeun pirang-pirang spésiés pakis anyar. Dina hiji mangsa, anjeunna memang mendakan spésiés énggal anu namina Alsophila grahami ieu dicokot tina ngaran salakina "Henry Graham" sarta ngaguar rupa-rupa ciri mandirina.

Dicutat tina

Kategori :Tutuwuhan tropis 
Kategori :Tutuwuhan paku 
Kategori : Cyatheaceae