- Hieracium rarinaevum — likely to require a low level of donation
- Hieracium raripilum — likely to require a low level of donation
- Hieracium rarovelutum — likely to require a low level of donation
- Hieracium ratluense — likely to require a low level of donation
- Hieracium raui — likely to require a low level of donation
- Hieracium raulandicum — likely to require a low level of donation
- Hieracium rauzense — likely to require a low level of donation
- Hieracium ravaudii — likely to require a low level of donation
- Hieracium raveniorum — likely to require a low level of donation
- Hieracium ravidifolium — likely to require a low level of donation
- Hieracium ravidum — likely to require a low level of donation
- Hieracium ravinense — likely to require a low level of donation
- Hieracium ravnoense — likely to require a low level of donation
- Hieracium ravusculum — likely to require a low level of donation
- Hieracium reayense — likely to require a low level of donation
- Hieracium rebildense — likely to require a low level of donation
- Hieracium recensitum — likely to require a low level of donation
- Hieracium rechingeriorum — likely to require a low level of donation
- Hieracium rechingerorum — likely to require a low level of donation
- Hieracium reclinatiforme — likely to require a low level of donation
- Hieracium reclinatum — likely to require a low level of donation
- Hieracium recoderi — likely to require a low level of donation
- Hieracium recognitum — likely to require a low level of donation
- Hieracium recticaule — likely to require a low level of donation
- Hieracium rectiflorum — likely to require a low level of donation
- Hieracium rectiforme — likely to require a low level of donation
- Hieracium rectulum — likely to require a low level of donation
- Hieracium recurvidens — likely to require a low level of donation
- Hieracium reductum — likely to require a low level of donation
- Hieracium regillatiforme — likely to require a low level of donation
- Hieracium regillatum — likely to require a low level of donation
- Hieracium regressum — likely to require a low level of donation
- Hieracium regulare — likely to require a low level of donation
- Hieracium rehmannii — likely to require a low level of donation
- Hieracium reidigense — likely to require a low level of donation
- Hieracium reinungense — likely to require a low level of donation
- Hieracium reisense — likely to require a low level of donation
- Hieracium relaxatum — likely to require a low level of donation
- Hieracium relicinum — likely to require a low level of donation
- Hieracium remanens — likely to require a low level of donation
- Hieracium remanentiforme — likely to require a low level of donation
- Hieracium remissiceps — likely to require a low level of donation
- Hieracium remissifolium — likely to require a low level of donation
- Hieracium remotidens — likely to require a low level of donation
- Hieracium remotiflorum — likely to require a low level of donation
- Hieracium remotilingua — likely to require a low level of donation
- Hieracium remotiramum — likely to require a low level of donation
- Hieracium remotulum — likely to require a low level of donation
- Hieracium renatae — likely to require a low level of donation
- Hieracium repandifrons — likely to require a low level of donation
- Hieracium repandilaterum — likely to require a low level of donation
- Hieracium repandulans — likely to require a low level of donation
- Hieracium repandulare — likely to require a low level of donation
- Hieracium repandum — likely to require a low level of donation
- Hieracium repens — likely to require a low level of donation
- Hieracium repens-uniflorum — likely to require a low level of donation
- Hieracium resectum — likely to require a low level of donation
- Hieracium respondens — likely to require a low level of donation
- Hieracium resupinatum — likely to require a low level of donation
- Hieracium retardatum — likely to require a low level of donation
- Hieracium retectum — likely to require a low level of donation
- Hieracium reticulatiforme — likely to require a low level of donation
- Hieracium reticulatum — likely to require a low level of donation
- Hieracium retifolium — likely to require a low level of donation
- Hieracium retropistum — likely to require a low level of donation
- Hieracium retrorsum — likely to require a low level of donation
- Hieracium retusulum — likely to require a low level of donation
- Hieracium retusum — likely to require a low level of donation
- Hieracium retyezatense — likely to require a low level of donation
- Hieracium retzii — likely to require a low level of donation
- Hieracium reuteri — likely to require a low level of donation
- Hieracium reuterianum — likely to require a low level of donation
- Hieracium reversidens — likely to require a low level of donation
- Hieracium reversum — likely to require a low level of donation
- Hieracium revocantiforme — likely to require a low level of donation
- Hieracium rhabdanthes — likely to require a low level of donation
- Hieracium rhabdoides — likely to require a low level of donation
- Hieracium rhabdotum — likely to require a low level of donation
- Hieracium rhacanthes — likely to require a low level of donation
- Hieracium rhacodes — likely to require a low level of donation
- Hieracium rhacolobum — likely to require a low level of donation
- Hieracium rhacophyllum — likely to require a low level of donation
- Hieracium rhacoscelum — likely to require a low level of donation
- Hieracium rhaebozum — likely to require a low level of donation
- Hieracium rhamphodon — likely to require a low level of donation
- Hieracium rhenifontis — likely to require a low level of donation
- Hieracium rhenopalatinum — likely to require a low level of donation
- Hieracium rhenovallis — likely to require a low level of donation
- Hieracium rhodacrum — likely to require a low level of donation
- Hieracium rhodananum — likely to require a low level of donation
- Hieracium rhodanense — likely to require a low level of donation
- Hieracium rhodanopum — likely to require a low level of donation
- Hieracium rhodanthum — likely to require a low level of donation
- Hieracium rhodanum — likely to require a low level of donation
- Hieracium rhodocoleum — likely to require a low level of donation
- Hieracium rhodoglossum — likely to require a low level of donation
- Hieracium rhodolepis — likely to require a low level of donation
- Hieracium rhoeadifolium — likely to require a low level of donation
- Hieracium rhogaleum — likely to require a low level of donation
- Hieracium rhombicum — likely to require a low level of donation
- Hieracium rhombifolium — likely to require a low level of donation
- Hieracium rhomboides — likely to require a low level of donation
- Hieracium rhombophyllum — likely to require a low level of donation
- Hieracium rhombotum — likely to require a low level of donation
- Hieracium rhopicodes — likely to require a low level of donation
- Hieracium rhopophorum — likely to require a low level of donation
- Hieracium rhusiodes — likely to require a low level of donation
- Hieracium rhynchellum — likely to require a low level of donation
- Hieracium rhypaeum — likely to require a low level of donation
- Hieracium rhypolepis — likely to require a low level of donation
- Hieracium richenii — likely to require a low level of donation
- Hieracium richerianum — likely to require a low level of donation
- Hieracium richterianum — likely to require a low level of donation
- Hieracium riddelsdellii — likely to require a low level of donation
- Hieracium rierae — likely to require a low level of donation
- Hieracium rigentipilosum — likely to require a low level of donation
- Hieracium rigescens — likely to require a low level of donation
- Hieracium rigescoides — likely to require a low level of donation
- Hieracium rigidicaule — likely to require a low level of donation
- Hieracium rigidiceps — likely to require a low level of donation
- Hieracium rigidifolium — likely to require a low level of donation
- Hieracium rigidipilum — likely to require a low level of donation
- Hieracium rigidistolonum — likely to require a low level of donation
- Hieracium rigidulum — likely to require a low level of donation
- Hieracium rigidum — likely to require a low level of donation
- Hieracium riglosianum — likely to require a low level of donation
- Hieracium rimarum — likely to require a low level of donation
- Hieracium ringehuense — likely to require a low level of donation
- Hieracium ringselense — likely to require a low level of donation
- Hieracium ringsellei — likely to require a low level of donation
- Hieracium riofrioi — likely to require a low level of donation
- Hieracium rioloboi — likely to require a low level of donation
- Hieracium rioxanum — likely to require a low level of donation
- Hieracium riparium — likely to require a low level of donation
- Hieracium riphaeoides — likely to require a low level of donation
- Hieracium riphaeum — likely to require a low level of donation
- Hieracium rivale — likely to require a low level of donation
- Hieracium rivoense — likely to require a low level of donation
- Hieracium rivulare — likely to require a low level of donation
- Hieracium rizense — likely to require a low level of donation
- Hieracium robertsii — likely to require a low level of donation
- Hieracium robinsonii — likely to require a low level of donation
- Hieracium roboratum — likely to require a low level of donation
- Hieracium robusticeps — likely to require a low level of donation
- Hieracium robustiosum — likely to require a low level of donation
- Hieracium robustum — likely to require a low level of donation
- Hieracium rodnense — likely to require a low level of donation
- Hieracium roeldalicum — likely to require a low level of donation
- Hieracium roemerianum — likely to require a low level of donation
- Hieracium roeyelense — likely to require a low level of donation
- Hieracium roffavieri — likely to require a low level of donation
- Hieracium roffieyanum — likely to require a low level of donation
- Hieracium rohacsense — likely to require a low level of donation
- Hieracium rohlenae — likely to require a low level of donation
- Hieracium ronasii — likely to require a low level of donation
- Hieracium ronayense — likely to require a low level of donation
- Hieracium rosaceum — likely to require a low level of donation
- Hieracium rosaemontis — likely to require a low level of donation
- Hieracium rosei — likely to require a low level of donation
- Hieracium roseum — likely to require a low level of donation
- Hieracium rosselloanum — likely to require a low level of donation
- Hieracium rossicum — likely to require a low level of donation
- Hieracium rostafinskii — likely to require a low level of donation
- Hieracium rostanii — likely to require a low level of donation
- Hieracium rostridens — likely to require a low level of donation
- Hieracium rosulans — likely to require a low level of donation
- Hieracium rosulare — likely to require a low level of donation
- Hieracium rosulatum — likely to require a low level of donation
- Hieracium rotae — likely to require a low level of donation
- Hieracium rottii — likely to require a low level of donation
- Hieracium rotundatum — likely to require a low level of donation
- Hieracium rotundellum — likely to require a low level of donation
- Hieracium rotundifolium — likely to require a low level of donation
- Hieracium rotundum — likely to require a low level of donation
- Hieracium rouxii — likely to require a low level of donation
- Hieracium rubefactiforme — likely to require a low level of donation
- Hieracium rubefactum — likely to require a low level of donation
- Hieracium rubelliceps — likely to require a low level of donation
- Hieracium rubellum — likely to require a low level of donation
- Hieracium rubens — likely to require a low level of donation
- Hieracium rubeonargonense — likely to require a low level of donation
- Hieracium ruberulum — likely to require a low level of donation
- Hieracium rubescens — likely to require a low level of donation
- Hieracium rubicundiforme — likely to require a low level of donation
- Hieracium rubicundum — likely to require a low level of donation
- Hieracium rubiginans — likely to require a low level of donation
- Hieracium rubiginosum — likely to require a low level of donation
- Hieracium rubricaule — likely to require a low level of donation
- Hieracium rubricymigerum — likely to require a low level of donation
- Hieracium rubriflorum — likely to require a low level of donation
- Hieracium rubriforme — likely to require a low level of donation
- Hieracium rubrimaculatum — likely to require a low level of donation
- Hieracium rubrisabinum — likely to require a low level of donation
- Hieracium rubrocroceum — likely to require a low level of donation
- Hieracium rubrum — likely to require a low level of donation
- Hieracium rueblerianum — likely to require a low level of donation
- Hieracium ruficulum — likely to require a low level of donation
- Hieracium rufisetum — likely to require a low level of donation
- Hieracium rufotectum — likely to require a low level of donation
- Hieracium rugulosum — likely to require a low level of donation
- Hieracium rumelicum — likely to require a low level of donation
- Hieracium ruminosiforme — likely to require a low level of donation
- Hieracium ruminosum — likely to require a low level of donation
- Hieracium runcinatilobatum — likely to require a low level of donation
- Hieracium runcinatolobatum — likely to require a low level of donation
- Hieracium rupellense — likely to require a low level of donation
- Hieracium rupestre — likely to require a low level of donation
- Hieracium rupicarpum — likely to require a low level of donation
- Hieracium rupicola — likely to require a low level of donation
- Hieracium rupicoliforme — likely to require a low level of donation
- Hieracium rupicoloides — likely to require a low level of donation
- Hieracium rupivivum — likely to require a low level of donation
- Hieracium ruprecthii — likely to require a low level of donation
- Hieracium rusanum — likely to require a low level of donation
- Hieracium rusbyi — likely to require a low level of donation
- Hieracium rutilans — likely to require a low level of donation
- Hieracium rutiliceps — likely to require a low level of donation
- Hieracium rutilum — likely to require a low level of donation
- Hieracium rutrofolium — likely to require a low level of donation
- Hieracium rydbergii — likely to require a low level of donation
- Hieracium sabaudiforme — likely to require a low level of donation
- Hieracium sabaudum — likely to require a low level of donation
- Hieracium sabbionicum — likely to require a low level of donation
- Hieracium saccotum — likely to require a low level of donation
- Hieracium saelanii — likely to require a low level of donation
- Hieracium safonoviae — likely to require a low level of donation
- Hieracium sagaroyense — likely to require a low level of donation
- Hieracium saggjemense — likely to require a low level of donation
- Hieracium sagittatum — likely to require a low level of donation
- Hieracium sagittipotens — likely to require a low level of donation
- Hieracium sagorskii — likely to require a low level of donation
- Hieracium sahunianum — likely to require a low level of donation
- Hieracium sajambrense — likely to require a low level of donation
- Hieracium sakobaniense — likely to require a low level of donation
- Hieracium salangense — likely to require a low level of donation
- Hieracium salebratum — likely to require a low level of donation
- Hieracium salebricola — likely to require a low level of donation
- Hieracium salebrosum — likely to require a low level of donation
- Hieracium salense — likely to require a low level of donation
- Hieracium salernianum — likely to require a low level of donation
- Hieracium salesianum — likely to require a low level of donation
- Hieracium saliencianum — likely to require a low level of donation
- Hieracium salinum — likely to require a low level of donation
- Hieracium salticola — likely to require a low level of donation
- Hieracium salvadorum — likely to require a low level of donation
- Hieracium salvanicum — likely to require a low level of donation
- Hieracium salviifolium — likely to require a low level of donation
- Hieracium samadense — likely to require a low level of donation
- Hieracium samoensicum — likely to require a low level of donation
- Hieracium samolinum — likely to require a low level of donation
- Hieracium samuelssonianum — likely to require a low level of donation
- Hieracium sanctum — likely to require a low level of donation
- Hieracium sandbergii — likely to require a low level of donation
- Hieracium sandozianum — likely to require a low level of donation
- Hieracium sangilense — likely to require a low level of donation
- Hieracium sanguineum — likely to require a low level of donation
- Hieracium sannoxense — likely to require a low level of donation
- Hieracium santaniolense — likely to require a low level of donation
- Hieracium sapiehae — likely to require a low level of donation
- Hieracium sarcophylloides — likely to require a low level of donation
- Hieracium sarcophylloton — likely to require a low level of donation
- Hieracium sarcophyllum — likely to require a low level of donation
- Hieracium sarissatum — likely to require a low level of donation
- Hieracium sarmentaceum — likely to require a low level of donation
- Hieracium sarmentosum — likely to require a low level of donation
- Hieracium sartonsicum — likely to require a low level of donation
- Hieracium sartorianum — likely to require a low level of donation
- Hieracium sarykamyschense — likely to require a low level of donation
- Hieracium sasellae — likely to require a low level of donation
- Hieracium sathranthum — likely to require a low level of donation
- Hieracium saturicolor — likely to require a low level of donation
- Hieracium saucium — likely to require a low level of donation
- Hieracium saurotoides — likely to require a low level of donation
- Hieracium saurotum — likely to require a low level of donation
- Hieracium saussureoides — likely to require only a small donation
- Hieracium sauteri — likely to require a low level of donation
- Hieracium sauzei — likely to require a low level of donation
- Hieracium savokarelicum — likely to require a low level of donation
- Hieracium saxatile — likely to require a low level of donation
- Hieracium saxetorum — likely to require a low level of donation
- Hieracium saxeum — likely to require a low level of donation
- Hieracium saxifragum — likely to require a low level of donation
- Hieracium saxigena — likely to require a low level of donation
- Hieracium saxigenum — likely to require a low level of donation
- Hieracium saxorum — likely to require a low level of donation
- Hieracium scaberrimum — likely to require a low level of donation
- Hieracium scabratum — likely to require a low level of donation
- Hieracium scabrellum — likely to require a low level of donation
- Hieracium scabrescens — likely to require a low level of donation
- Hieracium scabriceps — likely to require a low level of donation
- Hieracium scabrisetum — likely to require a low level of donation
- Hieracium scabrum — likely to require only a small donation
- Hieracium scalenodon — likely to require a low level of donation
- Hieracium scalenum — likely to require a low level of donation
- Hieracium scamandris — likely to require a low level of donation
- Hieracium scandinaviorum — likely to require a low level of donation
- Hieracium scanicum — likely to require a low level of donation
- Hieracium scapiforme — likely to require a low level of donation
- Hieracium scapigerum — likely to require a low level of donation
- Hieracium scapophyllum — likely to require a low level of donation
- Hieracium scaposum — likely to require a low level of donation
- Hieracium scardicum — likely to require a low level of donation
- Hieracium scarpicum — likely to require a low level of donation
- Hieracium scedastophyllum — likely to require a low level of donation
- Hieracium sceletum — likely to require a low level of donation
- Hieracium scepusiense — likely to require a low level of donation
- Hieracium schefferi — likely to require a low level of donation
- Hieracium schellianum — likely to require a low level of donation
- Hieracium schematodes — likely to require a low level of donation
- Hieracium schennikovii — likely to require a low level of donation
- Hieracium scheppigianum — likely to require a low level of donation
- Hieracium schinocephaloides — likely to require a low level of donation
- Hieracium schinocephalum — likely to require a low level of donation
- Hieracium schipczinskii — likely to require a low level of donation
- Hieracium schischkinii — likely to require a low level of donation
- Hieracium schisticolor — likely to require a low level of donation
- Hieracium schistoglossum — likely to require a low level of donation
- Hieracium schistostegum — likely to require a low level of donation
- Hieracium schlegelii — likely to require a low level of donation
- Hieracium schliakovii — likely to require a low level of donation
- Hieracium schlyteri — likely to require a low level of donation
- Hieracium schmidii — likely to require a low level of donation
- Hieracium schmidtii — likely to require a low level of donation
- Hieracium schneiderianum — likely to require a low level of donation
- Hieracium schnyderi — likely to require a low level of donation
- Hieracium schraderi — likely to require a low level of donation
- Hieracium schreiteri — likely to require a low level of donation
- Hieracium schroeterianum — likely to require a low level of donation
- Hieracium schultesii — likely to require a low level of donation
- Hieracium schultzii — likely to require a low level of donation
- Hieracium schultziorum — likely to require a low level of donation
- Hieracium schustleri — likely to require a low level of donation
- Hieracium schwarzii — likely to require a low level of donation
- Hieracium sciadophorum — likely to require a low level of donation
- Hieracium sciagraptum — likely to require a low level of donation
- Hieracium sciaphilum — likely to require a low level of donation
- Hieracium scioides — likely to require a low level of donation
- Hieracium scissicaule — likely to require a low level of donation
- Hieracium scissicauloides — likely to require a low level of donation
- Hieracium scissiforme — likely to require a low level of donation
- Hieracium scissum — likely to require a low level of donation
- Hieracium scitulum — likely to require a low level of donation
- Hieracium scitum — likely to require a low level of donation
- Hieracium sclerochaetoides — likely to require a low level of donation
- Hieracium sclerochaetum — likely to require a low level of donation
- Hieracium sclerocomum — likely to require a low level of donation
- Hieracium sclerotrichum — likely to require a low level of donation
- Hieracium scoliodon — likely to require a low level of donation
- Hieracium scolopodon — likely to require a low level of donation
- Hieracium scolopoglossum — likely to require a low level of donation
- Hieracium scoparium — likely to require a low level of donation
- Hieracium scopelophyes — likely to require a low level of donation
- Hieracium scopulinum — likely to require a low level of donation
- Hieracium scopulorum — likely to require a low level of donation
- Hieracium scorzoneraefolium — likely to require a low level of donation
- Hieracium scorzonerifolium — likely to require a low level of donation
- Hieracium scotaeum — likely to require a low level of donation
- Hieracium scotaiolepis — likely to require a low level of donation
- Hieracium scoticum — likely to require a low level of donation
- Hieracium scotinum — likely to require a low level of donation
- Hieracium scotocephalum — likely to require a low level of donation
- Hieracium scotochroum — likely to require a low level of donation
- Hieracium scotocranum — likely to require a low level of donation
- Hieracium scotolophum — likely to require a low level of donation
- Hieracium scotophorum — likely to require a low level of donation
- Hieracium scottii — likely to require a low level of donation
- Hieracium scouleri — likely to require a low level of donation
- Hieracium scribneri — likely to require a low level of donation
- Hieracium scullyi — likely to require a low level of donation
- Hieracium scytalocephalum — likely to require a low level of donation
- Hieracium scytalodes — likely to require a low level of donation
- Hieracium scythropum — likely to require a low level of donation
- Hieracium scytophyllum — likely to require a low level of donation
- Hieracium seckauense — likely to require a low level of donation
- Hieracium secundistrictum — likely to require a low level of donation
- Hieracium sedatum — likely to require a low level of donation
- Hieracium seductum — likely to require a low level of donation
- Hieracium segevoldense — likely to require a low level of donation
- Hieracium segregatum — likely to require a low level of donation
- Hieracium segureum — likely to require a low level of donation
- Hieracium segusianum — likely to require a low level of donation
- Hieracium seidense — likely to require a low level of donation
- Hieracium seilandicum — likely to require a low level of donation
- Hieracium seitaniemense — likely to require a low level of donation
- Hieracium sejunctum — likely to require a low level of donation
- Hieracium sellandii — likely to require a low level of donation
- Hieracium sellanum — likely to require a low level of donation
- Hieracium selvaerense — likely to require a low level of donation
- Hieracium semialpinum — likely to require a low level of donation
- Hieracium semianglicum — likely to require a low level of donation
- Hieracium semiangustum — likely to require a low level of donation
- Hieracium semiapertum — likely to require a low level of donation
- Hieracium semiatratum — likely to require a low level of donation
- Hieracium semiauricula — likely to require a low level of donation
- Hieracium semibipes — likely to require a low level of donation
- Hieracium semicaesium — likely to require a low level of donation
- Hieracium semicanescens — likely to require a low level of donation
- Hieracium semicanipes — likely to require a low level of donation
- Hieracium semicanum — likely to require a low level of donation
- Hieracium semichlorellum — likely to require a low level of donation
- Hieracium semiciliatum — likely to require a low level of donation
- Hieracium semiclaudens — likely to require a low level of donation
- Hieracium semicolpodes — likely to require a low level of donation
- Hieracium semicreperum — likely to require a low level of donation
- Hieracium semicrispum — likely to require a low level of donation
- Hieracium semicurvatum — likely to require a low level of donation
- Hieracium semicymigerum — likely to require a low level of donation
- Hieracium semicymosum — likely to require a low level of donation
- Hieracium semidovrense — likely to require a low level of donation
- Hieracium semiferum — likely to require a low level of donation
- Hieracium semiglobosum — likely to require a low level of donation
- Hieracium semigothicum — likely to require a low level of donation
- Hieracium semileptaleum — likely to require a low level of donation
- Hieracium semileptoglossum — likely to require a low level of donation
- Hieracium semilimbatum — likely to require a low level of donation
- Hieracium seminigrans — likely to require a low level of donation
- Hieracium semiobtusissimum — likely to require a low level of donation
- Hieracium semiornatum — likely to require a low level of donation
- Hieracium semipallescens — likely to require a low level of donation
- Hieracium semipendulum — likely to require a low level of donation
- Hieracium semipercome — likely to require a low level of donation
- Hieracium semiperfoliatum — likely to require a low level of donation
- Hieracium semipetiolatum — likely to require a low level of donation
- Hieracium semiplanum — likely to require a low level of donation
- Hieracium semiprasinatum — likely to require a low level of donation
- Hieracium semiprolixum — likely to require a low level of donation
- Hieracium semipurpurifolium — likely to require a low level of donation
- Hieracium semiseptentrionale — likely to require a low level of donation
- Hieracium semisilvaticum — likely to require a low level of donation
- Hieracium semistellatifrons — likely to require a low level of donation
- Hieracium semisuperbum — likely to require a low level of donation
- Hieracium semivestitum — likely to require a low level of donation
- Hieracium semivillosum — likely to require a low level of donation
- Hieracium semivulgatum — likely to require a low level of donation
- Hieracium sendtneri — likely to require a low level of donation
- Hieracium senectum — likely to require a low level of donation
- Hieracium senescens — likely to require a low level of donation
- Hieracium senex — likely to require a low level of donation
- Hieracium separ — likely to require a low level of donation
- Hieracium separabile — likely to require a low level of donation
- Hieracium separatidens — likely to require a low level of donation
- Hieracium serdanyolae — likely to require a low level of donation
- Hieracium serenum — likely to require a low level of donation
- Hieracium sericellum — likely to require a low level of donation
- Hieracium sericeum — likely to require a low level of donation
- Hieracium sericocephalum — likely to require a low level of donation
- Hieracium sericocybe — likely to require a low level of donation
- Hieracium sericolaenoides — likely to require a low level of donation
- Hieracium sericolepis — likely to require a low level of donation
- Hieracium sericophorum — likely to require a low level of donation
- Hieracium sericophyllum — likely to require a low level of donation
- Hieracium seridis — likely to require a low level of donation
- Hieracium seriflorum — likely to require a low level of donation
- Hieracium seripodum — likely to require a low level of donation
- Hieracium sermenikense — likely to require a low level of donation
- Hieracium sermonikense — likely to require a low level of donation
- Hieracium serracadiense — likely to require a low level of donation
- Hieracium serratifolium — likely to require a low level of donation
- Hieracium serratifrons — likely to require a low level of donation
- Hieracium serratodentatum — likely to require a low level of donation
- Hieracium serratoellipticum — likely to require a low level of donation
- Hieracium serratum — likely to require a low level of donation
- Hieracium serrulare — likely to require a low level of donation
- Hieracium serrulatum — likely to require a low level of donation
- Hieracium serrulosum — likely to require a low level of donation
- Hieracium sershukense — likely to require a low level of donation
- Hieracium sertigense — likely to require a low level of donation
- Hieracium sertuliferum — likely to require a low level of donation
- Hieracium serviceps — likely to require a low level of donation
- Hieracium sessiliflorum — likely to require a low level of donation
- Hieracium sessilifolium — likely to require a low level of donation
- Hieracium setanium — likely to require a low level of donation
- Hieracium setarum — likely to require a low level of donation
- Hieracium seteheriforme — likely to require a low level of donation
- Hieracium seticaule — likely to require a low level of donation
- Hieracium seticollum — likely to require a low level of donation
- Hieracium setigeriforme — likely to require a low level of donation
- Hieracium setigerum — likely to require a low level of donation
- Hieracium setosifolium — likely to require a low level of donation
- Hieracium setosissimum — likely to require a low level of donation
- Hieracium setosum — likely to require a low level of donation
- Hieracium setulosum — likely to require a low level of donation
- Hieracium severiceps — likely to require a low level of donation
- Hieracium sexangulare — likely to require a low level of donation
- Hieracium sextanum — likely to require a low level of donation
- Hieracium shaparenkoi — likely to require a low level of donation
- Hieracium sherwalii — likely to require a low level of donation
- Hieracium shoolbredii — likely to require a low level of donation
- Hieracium siderense — likely to require a low level of donation
- Hieracium sigalodes — likely to require a low level of donation
- Hieracium sigmoideum — likely to require a low level of donation
- Hieracium signatum — likely to require a low level of donation
- Hieracium silboense — likely to require a low level of donation
- Hieracium silenii — likely to require a low level of donation
- Hieracium siliginellum — likely to require a low level of donation
- Hieracium siliginosum — likely to require a low level of donation
- Hieracium siljense — likely to require a low level of donation
- Hieracium sillamaeense — likely to require a low level of donation
- Hieracium sillrense — likely to require a low level of donation
- Hieracium silsetense — likely to require a low level of donation