- Aster altissimus — likely to require a low level of donation
- Aster amabilis — likely to require a low level of donation
- Aster ambiguus — likely to require a low level of donation
- Aster ambiouus — likely to require a low level of donation
- Aster americana — likely to require a low level of donation
- Aster amnicola — likely to require a low level of donation
- Aster ampliatus — likely to require a low level of donation
- Aster amplissimus — likely to require a low level of donation
- Aster amplus — likely to require a low level of donation
- Aster andinus — likely to require a low level of donation
- Aster andrewsii — likely to require a low level of donation
- Aster angustifolius — likely to require a low level of donation
- Aster anomolus — likely to require a low level of donation
- Aster ansif — likely to require a low level of donation
- Aster apinnatifidus — likely to require a low level of donation
- Aster arcifolius — likely to require a low level of donation
- Aster arcticus — likely to require a low level of donation
- Aster arcuatus — likely to require a low level of donation
- Aster ardens — likely to require a low level of donation
- Aster ardense — likely to require a low level of donation
- Aster arenarioides — likely to require a low level of donation
- Aster arenicola — likely to require a low level of donation
- Aster argillarius — likely to require a low level of donation
- Aster argillicola — likely to require a low level of donation
- Aster argyropholis — likely to require a low level of donation
- Aster armoricanus — likely to require a low level of donation
- Aster arragonensis — likely to require a low level of donation
- Aster asper — likely to require a low level of donation
- Aster asperrimus — likely to require a low level of donation
- Aster asteroides — likely to require a low level of donation
- Aster atrovirens — likely to require a low level of donation
- Aster aucuparius — likely to require a low level of donation
- Aster auriculatus — likely to require a low level of donation
- Aster baccharoides — likely to require a low level of donation
- Aster bachtiaricus — likely to require a low level of donation
- Aster bakerensis — likely to require a low level of donation
- Aster bakerianus — likely to require a low level of donation
- Aster barbellatus — likely to require a low level of donation
- Aster barrelieri — likely to require a low level of donation
- Aster batangensis — likely to require a low level of donation
- Aster behringensis — likely to require a low level of donation
- Aster bellidiastrum — likely to require a low level of donation
- Aster bellidioides — likely to require a low level of donation
- Aster bellus — likely to require a low level of donation
- Aster beterochaeta — likely to require a low level of donation
- Aster bietii — likely to require a low level of donation
- Aster bipinnatisectus — likely to require a low level of donation
- Aster blanchetii — likely to require a low level of donation
- Aster boergeri — likely to require a low level of donation
- Aster borreri — likely to require a low level of donation
- Aster bracei — likely to require a low level of donation
- Aster brachytrichus — likely to require a low level of donation
- Aster brevibracteatus — likely to require a low level of donation
- Aster brevicaulis — likely to require a low level of donation
- Aster brevis — likely to require a low level of donation
- Aster bulleyanus — likely to require a low level of donation
- Aster bupleuroides — likely to require a low level of donation
- Aster caespitosus — likely to require a low level of donation
- Aster calendulacensis — likely to require a low level of donation
- Aster calendulifolius — likely to require a low level of donation
- Aster calocephalus — likely to require a low level of donation
- Aster camptilis — likely to require a low level of donation
- Aster capillaris — likely to require a low level of donation
- Aster carnosus — likely to require a low level of donation
- Aster carterianus — likely to require a low level of donation
- Aster cassiarabicus — likely to require a low level of donation
- Aster cavaleriei — likely to require a low level of donation
- Aster celtibericus — likely to require a low level of donation
- Aster chamissonis — likely to require a low level of donation
- Aster chanetii — likely to require a low level of donation
- Aster chelonicus — likely to require a low level of donation
- Aster chingshuiensis — likely to require a low level of donation
- Aster choralis — likely to require a low level of donation
- Aster chusanensis — likely to require a low level of donation
- Aster ciliatus — likely to require a low level of donation
- Aster ciliomarginatus — likely to require a low level of donation
- Aster circularis — likely to require a low level of donation
- Aster clivorum — likely to require a low level of donation
- Aster conspicuus — likely to require a low level of donation
- Aster conyza — likely to require a low level of donation
- Aster copelandii — likely to require a low level of donation
- Aster cornuti — likely to require a low level of donation
- Aster corymbiformis — likely to require a low level of donation
- Aster corymbosus — likely to require a low level of donation
- Aster crematifolius — likely to require a low level of donation
- Aster crenatifolius — likely to require a low level of donation
- Aster criniler — likely to require a low level of donation
- Aster curvescens — likely to require a low level of donation
- Aster decaphyllus — likely to require a low level of donation
- Aster deflexus — likely to require a low level of donation
- Aster delectus — likely to require a low level of donation
- Aster delumbatus — likely to require a low level of donation
- Aster densatus — likely to require a low level of donation
- Aster diffusus — likely to require a low level of donation
- Aster dimorphophyllus — likely to require a low level of donation
- Aster diplostephioides — likely to require a low level of donation
- Aster distichophyllus — likely to require a low level of donation
- Aster divergens — likely to require a low level of donation
- Aster dolichophyllus — likely to require a low level of donation
- Aster dolichopodus — likely to require a low level of donation
- Aster donii — likely to require a low level of donation
- Aster dracunculoides — likely to require a low level of donation
- Aster dubius — likely to require a low level of donation
- Aster dumosus — likely to require a low level of donation
- Aster durbrowii — likely to require a low level of donation
- Aster ebeneus — likely to require a low level of donation
- Aster ehrenbergii — likely to require a low level of donation
- Aster elaeagnius — likely to require a low level of donation
- Aster elaeophilus — likely to require a low level of donation
- Aster elgans — likely to require a low level of donation
- Aster englemanni — likely to require a low level of donation
- Aster ensatus — likely to require a low level of donation
- Aster ensifer — likely to require a low level of donation
- Aster erectus — likely to require a low level of donation
- Aster eriensis — likely to require a low level of donation
- Aster erigeronoides — likely to require a low level of donation
- Aster eriocaulis — likely to require a low level of donation
- Aster erubescens — likely to require a low level of donation
- Aster exacutus — likely to require a low level of donation
- Aster exsul — likely to require a low level of donation
- Aster falcifolius — likely to require a low level of donation
- Aster falconeri — likely to require a low level of donation
- Aster famatinensis — likely to require a low level of donation
- Aster fanjingshanicus — likely to require a low level of donation
- Aster farreri — likely to require a low level of donation
- Aster fastigiatus — likely to require a low level of donation
- Aster ferox — likely to require a low level of donation
- Aster fiebrigii — likely to require a low level of donation
- Aster filipes — likely to require a low level of donation
- Aster fimbriatus — likely to require a low level of donation
- Aster fischeri — likely to require a low level of donation
- Aster fischerianus — likely to require a low level of donation
- Aster flaccidus — likely to require a low level of donation
- Aster flaxuosus — likely to require a low level of donation
- Aster floribundus — likely to require a low level of donation
- Aster fluminensis — likely to require a low level of donation
- Aster fontinalis — likely to require a low level of donation
- Aster fordii — likely to require a low level of donation
- Aster formosanus — likely to require a low level of donation
- Aster formosissimus — likely to require a low level of donation
- Aster fragilis — likely to require a low level of donation
- Aster fragrans — likely to require a low level of donation
- Aster frikartii — likely to require a low level of donation
- Aster fruticulosus — likely to require a low level of donation
- Aster fulcratus — likely to require a low level of donation
- Aster fulgidulus — likely to require a low level of donation
- Aster fuscescens — likely to require a low level of donation
- Aster gagei — likely to require a low level of donation
- Aster gardneri — likely to require a low level of donation
- Aster gattingeri — likely to require a low level of donation
- Aster gayanus — likely to require a low level of donation
- Aster georgianus — likely to require a low level of donation
- Aster giraldii — likely to require a low level of donation
- Aster glaber — likely to require a low level of donation
- Aster glarearum — likely to require a low level of donation
- Aster glastifolius — likely to require a low level of donation
- Aster glehni — likely to require a low level of donation
- Aster glehnii — likely to require a low level of donation
- Aster glomeratus — likely to require a low level of donation
- Aster gmelinii — likely to require a low level of donation
- Aster gossypiphorus — likely to require a low level of donation
- Aster gracilicaulis — likely to require a low level of donation
- Aster gramineus — likely to require a low level of donation
- Aster grandiflorus — likely to require a low level of donation
- Aster granulosus — likely to require a low level of donation
- Aster gravesii — likely to require a low level of donation
- Aster gremialis — likely to require a low level of donation
- Aster griseolus — likely to require a low level of donation
- Aster haenkei — likely to require a low level of donation
- Aster halophilus — likely to require a low level of donation
- Aster handelii — likely to require a low level of donation
- Aster hayatae — likely to require a low level of donation
- Aster helenae — likely to require a low level of donation
- Aster heliopsis — likely to require a low level of donation
- Aster hemisphaericus — likely to require a low level of donation
- Aster hersilei — likely to require a low level of donation
- Aster hersileoides — likely to require a low level of donation
- Aster herveya — likely to require a low level of donation
- Aster heterolepis — likely to require a low level of donation
- Aster heterophyllus — likely to require a low level of donation
- Aster himalaicus — likely to require a low level of donation
- Aster hispidus — likely to require a low level of donation
- Aster hololachnus — likely to require a low level of donation
- Aster homochlamydeus — likely to require a low level of donation
- Aster homolepis — likely to require a low level of donation
- Aster hookeri — likely to require a low level of donation
- Aster humistratus — likely to require a low level of donation
- Aster hunanensis — likely to require a low level of donation
- Aster hunnemanni — likely to require a low level of donation
- Aster hybernus — likely to require a low level of donation
- Aster hybridus — likely to require a low level of donation
- Aster hydrophilus — likely to require a low level of donation
- Aster hypoleucus — likely to require a low level of donation
- Aster iinumae — likely to require a low level of donation
- Aster inaequalis — likely to require a low level of donation
- Aster incanus — likely to require a low level of donation
- Aster incisus — likely to require a low level of donation
- Aster indicus — likely to require a low level of donation
- Aster inflexus — likely to require a low level of donation
- Aster integrifolius — likely to require a low level of donation
- Aster ionoglossus — likely to require a low level of donation
- Aster iostemma — likely to require a low level of donation
- Aster italicus — likely to require a low level of donation
- Aster itsunboshi — likely to require a low level of donation
- Aster jacobaeus — likely to require a low level of donation
- Aster jeffreyanus — likely to require a low level of donation
- Aster jemensis — likely to require a low level of donation
- Aster jishouensis — likely to require a low level of donation
- Aster juchaihu — likely to require a low level of donation
- Aster julianus — likely to require a low level of donation
- Aster kantoensis — likely to require a low level of donation
- Aster karstenii — likely to require a low level of donation
- Aster kodzumanus — likely to require a low level of donation
- Aster komonoensis — likely to require a low level of donation
- Aster koraiensis — likely to require a low level of donation
- Aster koshikiensis — likely to require a low level of donation
- Aster kumleinii — likely to require a low level of donation
- Aster kumlienii — likely to require a low level of donation
- Aster kyobuntensis — likely to require a low level of donation
- Aster laetivirens — likely to require a low level of donation
- Aster laeviformis — likely to require a low level of donation
- Aster laevigatus — likely to require a low level of donation
- Aster laka — likely to require a low level of donation
- Aster lamarckianus — likely to require a low level of donation
- Aster lanatus — likely to require a low level of donation
- Aster langaoensis — likely to require a low level of donation
- Aster lasiophaeus — likely to require a low level of donation
- Aster latahensis — likely to require a low level of donation
- Aster latibracteatus — likely to require a low level of donation
- Aster laurentianus — likely to require a low level of donation
- Aster lautureanus — likely to require a low level of donation
- Aster lavandulifolius — likely to require a low level of donation
- Aster laxifolius — likely to require a low level of donation
- Aster leiopyllus — likely to require a low level of donation
- Aster leptocaulis — likely to require a low level of donation
- Aster leptophyllus — likely to require a low level of donation
- Aster lerchenfeldianus — likely to require a low level of donation
- Aster leucopsis — likely to require a low level of donation
- Aster likiangensis — likely to require a low level of donation
- Aster lilacinus — likely to require a low level of donation
- Aster limicola — likely to require a low level of donation
- Aster limoniifolius — likely to require a low level of donation
- Aster limosus — likely to require a low level of donation
- Aster linariifolius — likely to require a low level of donation
- Aster lindenii — likely to require a low level of donation
- Aster lingulatus — likely to require a low level of donation
- Aster linumae — likely to require a low level of donation
- Aster lipskyi — likely to require a low level of donation
- Aster listriformis — likely to require a low level of donation
- Aster lithospermifolius — likely to require a low level of donation
- Aster litoralis — likely to require a low level of donation
- Aster lividus — likely to require a low level of donation
- Aster lixianensis — likely to require a low level of donation
- Aster loevis — likely to require a low level of donation
- Aster longifolius — likely to require a low level of donation
- Aster lucidulus — likely to require a low level of donation
- Aster lucidus — likely to require a low level of donation
- Aster luengoi — likely to require a low level of donation
- Aster lushiensis — likely to require a low level of donation
- Aster luzonensis — likely to require a low level of donation
- Aster maackii — likely to require a low level of donation
- Aster macdougalii — likely to require a low level of donation
- Aster macleaii — likely to require a low level of donation
- Aster macrocephala — likely to require a low level of donation
- Aster majusculus — likely to require a low level of donation
- Aster mangshanensis — likely to require a low level of donation
- Aster marchandii — likely to require a low level of donation
- Aster maruyamae — likely to require a low level of donation
- Aster masardiensis — likely to require a low level of donation
- Aster meehanii — likely to require a low level of donation
- Aster megalanthus — likely to require a low level of donation
- Aster melenii — likely to require a low level of donation
- Aster menelii — likely to require a low level of donation
- Aster menziesii — likely to require a low level of donation
- Aster mesopotamicus — likely to require a low level of donation
- Aster microcephalus — likely to require a low level of donation
- Aster microlonchus — likely to require a low level of donation
- Aster militaris — likely to require a low level of donation
- Aster milleri — likely to require a low level of donation
- Aster miquelianus — likely to require a low level of donation
- Aster misellus — likely to require a low level of donation
- Aster miser — likely to require a low level of donation
- Aster missouriensis — likely to require a low level of donation
- Aster miyagii — likely to require a low level of donation
- Aster mollescens — likely to require a low level of donation
- Aster molliusculus — likely to require a low level of donation
- Aster monanthus — likely to require a low level of donation
- Aster monticola — likely to require a low level of donation
- Aster morrisonensis — likely to require a low level of donation
- Aster motuoensis — likely to require a low level of donation
- Aster moupinensis — likely to require a low level of donation
- Aster moupinsensis — likely to require a low level of donation
- Aster mucronatus — likely to require a low level of donation
- Aster muliensis — likely to require a low level of donation
- Aster multiflorus — likely to require a low level of donation
- Aster mutabilis — likely to require a low level of donation
- Aster myriantus — likely to require a low level of donation
- Aster nakaoi — likely to require a low level of donation
- Aster nelsonii — likely to require a low level of donation
- Aster neoelegans — likely to require a low level of donation
- Aster neolanuginosus — likely to require a low level of donation
- Aster nervosus — likely to require a low level of donation
- Aster nigrocinctus — likely to require a low level of donation
- Aster nigromontanus — likely to require a low level of donation
- Aster nikoensis — likely to require a low level of donation
- Aster nitidulus — likely to require a low level of donation
- Aster nitidus — likely to require a low level of donation
- Aster nobilis — likely to require a low level of donation
- Aster northcraftii — likely to require a low level of donation
- Aster novae-belgiae — likely to require a low level of donation
- Aster novae-scotiae — likely to require a low level of donation
- Aster novopokrovskyi — likely to require a low level of donation
- Aster ochagavianus — likely to require a low level of donation
- Aster oculus — likely to require a low level of donation
- Aster odoratus — likely to require a low level of donation
- Aster odorus — likely to require a low level of donation
- Aster oharai — likely to require a low level of donation
- Aster okanoganus — likely to require a low level of donation
- Aster oliganthus — likely to require a low level of donation
- Aster olivaceus — likely to require a low level of donation
- Aster orbicularis — likely to require a low level of donation
- Aster oreganus — likely to require a low level of donation
- Aster oreophilus — likely to require a low level of donation
- Aster orthophyllus — likely to require a low level of donation
- Aster oticus — likely to require a low level of donation
- Aster ottonis — likely to require a low level of donation
- Aster ovalifolius — likely to require a low level of donation
- Aster ovatus — likely to require a low level of donation
- Aster oviformis — likely to require a low level of donation
- Aster oxylepis — likely to require a low level of donation
- Aster oxyphyllus — likely to require a low level of donation
- Aster panduratus — likely to require a low level of donation
- Aster paniculatus — likely to require a low level of donation
- Aster parafastigiatus — likely to require a low level of donation
- Aster parthianus — likely to require a low level of donation
- Aster parviflorus — likely to require a low level of donation
- Aster patagonicus — likely to require a low level of donation
- Aster patanianus — likely to require a low level of donation
- Aster paucicapitatus — likely to require a low level of donation
- Aster pedionomus — likely to require a low level of donation
- Aster peduncularis — likely to require a low level of donation
- Aster pekinensis — likely to require a low level of donation
- Aster pendulus — likely to require a low level of donation
- Aster perrugosus — likely to require a low level of donation
- Aster persaliens — likely to require a low level of donation
- Aster pesthiensis — likely to require a low level of donation
- Aster philadelphicus — likely to require a low level of donation
- Aster philippii — likely to require a low level of donation
- Aster philippinensis — likely to require a low level of donation
- Aster piccolii — likely to require a low level of donation
- Aster pinifolius — likely to require a low level of donation
- Aster pinnarus — likely to require a low level of donation
- Aster polios — likely to require a low level of donation
- Aster poliothamnus — likely to require a low level of donation
- Aster polius — likely to require a low level of donation
- Aster popovii — likely to require a low level of donation
- Aster praetermissus — likely to require a low level of donation
- Aster prainii — likely to require a low level of donation
- Aster pratincola — likely to require a low level of donation
- Aster pringlei — likely to require a low level of donation
- Aster procerus — likely to require a low level of donation
- Aster proximus — likely to require a low level of donation
- Aster pseudoasagrayi — likely to require a low level of donation
- Aster pseudobakeranus — likely to require a low level of donation
- Aster pseudodiffusus — likely to require a low level of donation
- Aster pseudodumosus — likely to require a low level of donation
- Aster pseudoglehnii — likely to require a low level of donation
- Aster pseudosimplex — likely to require a low level of donation
- Aster psychensis — likely to require a low level of donation
- Aster pujosii — likely to require a low level of donation
- Aster pulimus — likely to require a low level of donation
- Aster pulverulentis — likely to require a low level of donation
- Aster pumicola — likely to require a low level of donation
- Aster punctatus — likely to require a low level of donation
- Aster purpurascens — likely to require a low level of donation
- Aster purpureo-caerulescens — likely to require a low level of donation
- Aster purpureus — likely to require a low level of donation
- Aster pusillus — likely to require a low level of donation
- Aster pycnophyllus — likely to require a low level of donation
- Aster pyrenaeus — likely to require a low level of donation
- Aster pyrenaicus — likely to require a low level of donation
- Aster quadratus — likely to require a low level of donation
- Aster quiescens — likely to require a low level of donation
- Aster quitensis — likely to require a low level of donation
- Aster ramosus — likely to require a low level of donation
- Aster ranunculoides — likely to require a low level of donation
- Aster rectifolius — likely to require a low level of donation
- Aster reevesii — likely to require a low level of donation
- Aster retusus — likely to require a low level of donation
- Aster rivesii — likely to require a low level of donation
- Aster rivularis — likely to require a low level of donation
- Aster rockianus — likely to require a low level of donation
- Aster roscidus — likely to require a low level of donation
- Aster roseolus — likely to require a low level of donation
- Aster ruber — likely to require a low level of donation
- Aster rubicundus — likely to require a low level of donation
- Aster rubiginosus — likely to require a low level of donation
- Aster rugulosus — likely to require a low level of donation
- Aster ruoqiangensis — likely to require a low level of donation
- Aster rupicola — likely to require a low level of donation
- Aster sabulosus — likely to require a low level of donation
- Aster sagei — likely to require a low level of donation
- Aster salicifolius — likely to require a low level of donation
- Aster salignus — likely to require a low level of donation
- Aster salsuginosus — likely to require a low level of donation
- Aster salwinensis — likely to require a low level of donation
- Aster sampsonii — likely to require a low level of donation
- Aster sanczirii — likely to require a low level of donation
- Aster satonis — likely to require a low level of donation
- Aster satsumensis — likely to require a low level of donation
- Aster savatieri — likely to require a low level of donation
- Aster saxatilis — likely to require a low level of donation
- Aster scaber — likely to require a low level of donation
- Aster scapigerus — likely to require a low level of donation
- Aster scorzonerifolius — likely to require a low level of donation
- Aster scribneri — likely to require a low level of donation
- Aster scutiformis — likely to require a low level of donation
- Aster securiformis — likely to require a low level of donation
- Aster sedifolius — likely to require a low level of donation
- Aster sekimotoi — likely to require a low level of donation
- Aster semiamplexicaulis — likely to require a low level of donation
- Aster senecioides — likely to require a low level of donation
- Aster serrata — likely to require a low level of donation
- Aster sessilifolius — likely to require a low level of donation
- Aster setchuenensis — likely to require a low level of donation
- Aster setiger — likely to require a low level of donation
- Aster sextilis — likely to require a low level of donation
- Aster shennongjiaensis — likely to require a low level of donation
- Aster shimadai — likely to require a low level of donation
- Aster sikkimensis — likely to require a low level of donation
- Aster sikuensis — likely to require a low level of donation
- Aster simulans — likely to require a low level of donation
- Aster sinensis — likely to require a low level of donation
- Aster sinianus — likely to require a low level of donation
- Aster sinoangustifolius — likely to require a low level of donation
- Aster smallii — likely to require a low level of donation
- Aster smithianus — likely to require a low level of donation
- Aster sociabilis — likely to require a low level of donation
- Aster sohayakiensis — likely to require a low level of donation
- Aster solandri — likely to require a low level of donation
- Aster souliei — likely to require a low level of donation
- Aster spathulifolius — likely to require a low level of donation
- Aster sphaerotus — likely to require a low level of donation
- Aster spicatus — likely to require a low level of donation
- Aster spithamaeus — likely to require a low level of donation
- Aster squarrosus — likely to require a low level of donation
- Aster stracheyi — likely to require a low level of donation
- Aster striatus — likely to require a low level of donation
- Aster strictus — likely to require a low level of donation
- Aster subcaerulea — likely to require a low level of donation
- Aster subcaerulens — likely to require a low level of donation
- Aster subcaudatus — likely to require a low level of donation
- Aster subcymosus — likely to require a low level of donation
- Aster subinteger — likely to require a low level of donation
- Aster subintegerrimus — likely to require a low level of donation
- Aster subracemosus — likely to require a low level of donation
- Aster subsalignus — likely to require a low level of donation
- Aster sugimotoi — likely to require a low level of donation
- Aster sutchuenensis — likely to require a low level of donation
- Aster sylvicola — likely to require a low level of donation
- Aster sympodialis — likely to require a low level of donation
- Aster tagasagomontanus — likely to require a low level of donation
- Aster taiwanensis — likely to require a low level of donation
- Aster takasagomontanus — likely to require a low level of donation
- Aster taliangshanensis — likely to require a low level of donation
- Aster taoyuenensis — likely to require a low level of donation
- Aster tataricus — likely to require a low level of donation
- Aster techinensis — likely to require a low level of donation
- Aster tenellus — likely to require a low level of donation
- Aster tenue — likely to require a low level of donation
- Aster tenuiculus — likely to require a low level of donation
- Aster tenuipes — likely to require a low level of donation
- Aster tenuis — likely to require a low level of donation
- Aster tenuissimus — likely to require a low level of donation
- Aster thermalis — likely to require a low level of donation
- Aster thermitanus — likely to require a low level of donation
- Aster thomsonii — likely to require a low level of donation
- Aster thunbergii — likely to require a low level of donation
- Aster tianmenshanensis — likely to require a low level of donation
- Aster tientschwanensis — likely to require a low level of donation
- Aster tomentellus — likely to require a low level of donation
- Aster tomentosus — likely to require a low level of donation
- Aster tonglingensis — likely to require a low level of donation
- Aster tongolensis — likely to require a low level of donation
- Aster torreyi — likely to require a low level of donation
- Aster tricephalus — likely to require a low level of donation
- Aster trichoneurus — likely to require a low level of donation
- Aster trigonicus — likely to require a low level of donation
- Aster trinervis — likely to require a low level of donation
- Aster trinervius — likely to require a low level of donation
- Aster tsarungensis — likely to require a low level of donation
- Aster tuberosum — likely to require a low level of donation
- Aster tuganus — likely to require a low level of donation
- Aster turbinatus — likely to require a low level of donation
- Aster ujiinsularis — likely to require a low level of donation
- Aster ulmarius — likely to require a low level of donation
- Aster umbachii — likely to require a low level of donation
- Aster umbelliformis — likely to require a low level of donation
- Aster umbraticus — likely to require a low level of donation
- Aster underwoodii — likely to require a low level of donation