- Hieracium cazurroi — likely to require a low level of donation
- Hieracium cebennarum — likely to require a low level of donation
- Hieracium celsipes — likely to require a low level of donation
- Hieracium celsum — likely to require a low level of donation
- Hieracium celvae — likely to require a low level of donation
- Hieracium centonale — likely to require a low level of donation
- Hieracium centripetale — likely to require a low level of donation
- Hieracium centrophyllum — likely to require a low level of donation
- Hieracium centrotum — likely to require a low level of donation
- Hieracium cepenthum — likely to require a low level of donation
- Hieracium cephalochnoum — likely to require a low level of donation
- Hieracium cephalodes — likely to require a low level of donation
- Hieracium cephalodotum — likely to require a low level of donation
- Hieracium cephaloideum — likely to require a low level of donation
- Hieracium cephalostictum — likely to require a low level of donation
- Hieracium cephalotes — likely to require a low level of donation
- Hieracium cephalothales — likely to require a low level of donation
- Hieracium ceradenium — likely to require a low level of donation
- Hieracium ceramotum — likely to require a low level of donation
- Hieracium ceratophyllum — likely to require a low level of donation
- Hieracium cercidotelmatodes — likely to require a low level of donation
- Hieracium cercsianum — likely to require a low level of donation
- Hieracium cereolinum — likely to require a low level of donation
- Hieracium ceresianum — likely to require a low level of donation
- Hieracium cerinthiforme — likely to require a low level of donation
- Hieracium cerinthoides — likely to require a low level of donation
- Hieracium cerleri — likely to require a low level of donation
- Hieracium cernagorae — likely to require a low level of donation
- Hieracium cernuiforme — likely to require a low level of donation
- Hieracium cernuum — likely to require a low level of donation
- Hieracium cerobaphum — likely to require a low level of donation
- Hieracium cerussatiforme — likely to require a low level of donation
- Hieracium cerussatum — likely to require a low level of donation
- Hieracium cezycola — likely to require a low level of donation
- Hieracium chabalicum — likely to require a low level of donation
- Hieracium chaboissaei — likely to require a low level of donation
- Hieracium chaboisseaui — likely to require a low level of donation
- Hieracium chacoense — likely to require a low level of donation
- Hieracium chaetobium — likely to require a low level of donation
- Hieracium chaetocaesioides — likely to require a low level of donation
- Hieracium chaetodes — likely to require a low level of donation
- Hieracium chaetodon — likely to require a low level of donation
- Hieracium chaetolepis — likely to require a low level of donation
- Hieracium chaetophorum — likely to require a low level of donation
- Hieracium chaetophyllum — likely to require a low level of donation
- Hieracium chaixianum — likely to require a low level of donation
- Hieracium chalarum — likely to require a low level of donation
- Hieracium chalasinense — likely to require a low level of donation
- Hieracium chalcidicum — likely to require a low level of donation
- Hieracium chalcorites — likely to require a low level of donation
- Hieracium chalicogeton — likely to require a low level of donation
- Hieracium chalicophilum — likely to require a low level of donation
- Hieracium chamaeadenium — likely to require a low level of donation
- Hieracium chamaecephalum — likely to require a low level of donation
- Hieracium chamaecerinthe — likely to require a low level of donation
- Hieracium chamaenerides — likely to require a low level of donation
- Hieracium chamaeodon — likely to require a low level of donation
- Hieracium chamaetrichum — likely to require a low level of donation
- Hieracium chamardabanense — likely to require a low level of donation
- Hieracium chandolygodes — likely to require a low level of donation
- Hieracium chaozum — likely to require a low level of donation
- Hieracium charactophyllum — likely to require a low level of donation
- Hieracium charadreum — likely to require a low level of donation
- Hieracium charadrotes — likely to require a low level of donation
- Hieracium charitodon — likely to require a low level of donation
- Hieracium charitopoides — likely to require a low level of donation
- Hieracium charitopum — likely to require a low level of donation
- Hieracium charrelii — likely to require a low level of donation
- Hieracium chasmataeum — likely to require a low level of donation
- Hieracium chauliodon — likely to require a low level of donation
- Hieracium chaunothyrsum — likely to require a low level of donation
- Hieracium chaunotrichum — likely to require a low level of donation
- Hieracium cheilochnoum — likely to require a low level of donation
- Hieracium cheiloptilotum — likely to require a low level of donation
- Hieracium cheirifolium — likely to require a low level of donation
- Hieracium chelannense — likely to require a low level of donation
- Hieracium chenocaule — likely to require a low level of donation
- Hieracium chevrolatii — likely to require a low level of donation
- Hieracium chiamuerae — likely to require a low level of donation
- Hieracium chiariglionei — likely to require a low level of donation
- Hieracium chibinense — likely to require a low level of donation
- Hieracium chibinicola — likely to require a low level of donation
- Hieracium chinbatum — likely to require a low level of donation
- Hieracium chlaniscotum — likely to require a low level of donation
- Hieracium chlarodes — likely to require a low level of donation
- Hieracium chloanocybe — likely to require a low level of donation
- Hieracium chloeropis — likely to require a low level of donation
- Hieracium chlompannosum — likely to require a low level of donation
- Hieracium chloocranum — likely to require a low level of donation
- Hieracium chloranthum — likely to require a low level of donation
- Hieracium chloreilema — likely to require a low level of donation
- Hieracium chlorelliceps — likely to require a low level of donation
- Hieracium chlorelloides — likely to require a low level of donation
- Hieracium chlorellum — likely to require a low level of donation
- Hieracium chloribracteiforme — likely to require a low level of donation
- Hieracium chloricolor — likely to require a low level of donation
- Hieracium chlorifolium — likely to require a low level of donation
- Hieracium chlorinum — likely to require a low level of donation
- Hieracium chlorobracteum — likely to require a low level of donation
- Hieracium chlorocalpis — likely to require a low level of donation
- Hieracium chlorocephalum — likely to require a low level of donation
- Hieracium chlorodepades — likely to require a low level of donation
- Hieracium chlorodes — likely to require a low level of donation
- Hieracium chlorolepidotum — likely to require a low level of donation
- Hieracium chlorolepium — likely to require a low level of donation
- Hieracium chloroleucum — likely to require a low level of donation
- Hieracium chloroloma — likely to require a low level of donation
- Hieracium chlorolomiceps — likely to require a low level of donation
- Hieracium chlorolopodes — likely to require a low level of donation
- Hieracium chloromaurum — likely to require a low level of donation
- Hieracium chloromelanum — likely to require a low level of donation
- Hieracium chloromuticum — likely to require a low level of donation
- Hieracium chloropannosum — likely to require a low level of donation
- Hieracium chlorophaeoides — likely to require a low level of donation
- Hieracium chlorophaeum — likely to require a low level of donation
- Hieracium chlorophanifolium — likely to require a low level of donation
- Hieracium chlorophyton — likely to require a low level of donation
- Hieracium chloropoecilum — likely to require a low level of donation
- Hieracium chlorops — likely to require a low level of donation
- Hieracium chloropsis — likely to require a low level of donation
- Hieracium chloropterum — likely to require a low level of donation
- Hieracium chlorospermum — likely to require a low level of donation
- Hieracium chlorostigma — likely to require a low level of donation
- Hieracium chnoophyllum — likely to require a low level of donation
- Hieracium chnootum — likely to require a low level of donation
- Hieracium cholanthum — likely to require a low level of donation
- Hieracium chomatophilum — likely to require a low level of donation
- Hieracium chondracidium — likely to require a low level of donation
- Hieracium chondrillaefolium — likely to require a low level of donation
- Hieracium chondrilliflorum — likely to require a low level of donation
- Hieracium chondrillifolium — likely to require a low level of donation
- Hieracium chondrodes — likely to require a low level of donation
- Hieracium chordosum — likely to require a low level of donation
- Hieracium chordum — likely to require a low level of donation
- Hieracium choristodon — likely to require a low level of donation
- Hieracium christeneri — likely to require a low level of donation
- Hieracium christianbernardii — likely to require a low level of donation
- Hieracium christianense — likely to require a low level of donation
- Hieracium christianiense — likely to require a low level of donation
- Hieracium chromorhantum — likely to require a low level of donation
- Hieracium chroocentroides — likely to require a low level of donation
- Hieracium chroocentrum — likely to require a low level of donation
- Hieracium chroopastum — likely to require a low level of donation
- Hieracium chrysadenium — likely to require a low level of donation
- Hieracium chrysanthemum — likely to require a low level of donation
- Hieracium chrysanthes — likely to require a low level of donation
- Hieracium chrysanthum — likely to require a low level of donation
- Hieracium chrysites — likely to require a low level of donation
- Hieracium chrysocephaloides — likely to require a low level of donation
- Hieracium chrysocephalum — likely to require a low level of donation
- Hieracium chrysochroum — likely to require a low level of donation
- Hieracium chrysocladium — likely to require a low level of donation
- Hieracium chrysodes — likely to require a low level of donation
- Hieracium chrysolepis — likely to require a low level of donation
- Hieracium chrysolorum — likely to require a low level of donation
- Hieracium chrysoniphobium — likely to require a low level of donation
- Hieracium chrysophanum — likely to require a low level of donation
- Hieracium chrysophorum — likely to require a low level of donation
- Hieracium chrysoprasium — likely to require a low level of donation
- Hieracium chrysostyloides — likely to require a low level of donation
- Hieracium chrysostylum — likely to require a low level of donation
- Hieracium cibinense — likely to require a low level of donation
- Hieracium cichoriifolium — likely to require a low level of donation
- Hieracium cienegae — likely to require a low level of donation
- Hieracium ciliatiflorum — likely to require a low level of donation
- Hieracium ciliatiforme — likely to require a low level of donation
- Hieracium ciliatissimum — likely to require a low level of donation
- Hieracium ciliatum — likely to require a low level of donation
- Hieracium cilicicum — likely to require a low level of donation
- Hieracium ciliolatum — likely to require a low level of donation
- Hieracium ciliosum — likely to require a low level of donation
- Hieracium cillense — likely to require a low level of donation
- Hieracium cimarollii — likely to require a low level of donation
- Hieracium cincinnatum — likely to require a low level of donation
- Hieracium cincinnulatum — likely to require a low level of donation
- Hieracium cinderella — likely to require a low level of donation
- Hieracium cinereiceps — likely to require a low level of donation
- Hieracium cinereips — likely to require a low level of donation
- Hieracium cinerelliceps — likely to require a low level of donation
- Hieracium cinerelliforme — likely to require a low level of donation
- Hieracium cinerellisquamum — likely to require a low level of donation
- Hieracium cinerellum — likely to require a low level of donation
- Hieracium cinereostriatum — likely to require a low level of donation
- Hieracium cinereotectum — likely to require a low level of donation
- Hieracium cinereum — likely to require a low level of donation
- Hieracium cinericeps — likely to require a low level of donation
- Hieracium cinericolor — likely to require a low level of donation
- Hieracium cineriticeps — likely to require a low level of donation
- Hieracium cineritium — likely to require a low level of donation
- Hieracium cinerosum — likely to require a low level of donation
- Hieracium cinerum — likely to require a low level of donation
- Hieracium cingulatum — likely to require a low level of donation
- Hieracium circinatum — likely to require a low level of donation
- Hieracium circulare — likely to require a low level of donation
- Hieracium circumstellatum — likely to require a low level of donation
- Hieracium circumvelatum — likely to require a low level of donation
- Hieracium circumvietum — likely to require a low level of donation
- Hieracium cirritiforme — likely to require a low level of donation
- Hieracium cirritogenes — likely to require a low level of donation
- Hieracium cirritoides — likely to require a low level of donation
- Hieracium cirritum — likely to require a low level of donation
- Hieracium cirrobractum — likely to require a low level of donation
- Hieracium cirrostyliforme — likely to require a low level of donation
- Hieracium cirrostylum — likely to require a low level of donation
- Hieracium cirrulum — likely to require a low level of donation
- Hieracium cirsiifolium — likely to require a low level of donation
- Hieracium cirsiiforme — likely to require a low level of donation
- Hieracium cischibinense — likely to require a low level of donation
- Hieracium cistiernense — likely to require a low level of donation
- Hieracium cisuralense — likely to require a low level of donation
- Hieracium citrinum — likely to require a low level of donation
- Hieracium ciuriwkae — likely to require a low level of donation
- Hieracium cladanthum — likely to require a low level of donation
- Hieracium cladiocerinthe — likely to require a low level of donation
- Hieracium cladiopogon — likely to require a low level of donation
- Hieracium cladodes — likely to require a low level of donation
- Hieracium cladophorum — likely to require a low level of donation
- Hieracium cladophyllum — likely to require a low level of donation
- Hieracium cladotenum — likely to require a low level of donation
- Hieracium cladotrichum — likely to require a low level of donation
- Hieracium clariceps — likely to require a low level of donation
- Hieracium claricolor — likely to require a low level of donation
- Hieracium claropurpureum — likely to require a low level of donation
- Hieracium cleistogamoides — likely to require a low level of donation
- Hieracium cleistogamum — likely to require a low level of donation
- Hieracium clematidodes — likely to require a low level of donation
- Hieracium clinocladium — likely to require a low level of donation
- Hieracium clinopodium — likely to require a low level of donation
- Hieracium clivicola — likely to require a low level of donation
- Hieracium clivorum — likely to require a low level of donation
- Hieracium clomacotes — likely to require a low level of donation
- Hieracium clonacidium — likely to require a low level of donation
- Hieracium clonodes — likely to require a low level of donation
- Hieracium clonotum — likely to require a low level of donation
- Hieracium clovense — likely to require a low level of donation
- Hieracium coactile — likely to require a low level of donation
- Hieracium coadunaticeps — likely to require a low level of donation
- Hieracium coadunatum — likely to require a low level of donation
- Hieracium coalitum — likely to require a low level of donation
- Hieracium coartans — likely to require a low level of donation
- Hieracium coazii — likely to require a low level of donation
- Hieracium cochleare — likely to require a low level of donation
- Hieracium cochlearifolium — likely to require a low level of donation
- Hieracium cochleatiforme — likely to require a low level of donation
- Hieracium coctile — likely to require a low level of donation
- Hieracium coderianum — likely to require a low level of donation
- Hieracium codesianum — likely to require a low level of donation
- Hieracium coelipetens — likely to require a low level of donation
- Hieracium coerulaceum — likely to require a low level of donation
- Hieracium colapterodon — likely to require a low level of donation
- Hieracium coleoides — likely to require a low level of donation
- Hieracium collatatum — likely to require a low level of donation
- Hieracium collaterale — likely to require a low level of donation
- Hieracium collettianum — likely to require a low level of donation
- Hieracium collicola — likely to require a low level of donation
- Hieracium collinderi — likely to require a low level of donation
- Hieracium colliniforme — likely to require a low level of donation
- Hieracium collinum — likely to require a low level of donation
- Hieracium collivagum — likely to require a low level of donation
- Hieracium collsuspinense — likely to require a low level of donation
- Hieracium collutum — likely to require a low level of donation
- Hieracium colmeiroanum — likely to require a low level of donation
- Hieracium colobanthiceps — likely to require a low level of donation
- Hieracium colobanthum — likely to require a low level of donation
- Hieracium colocentrum — likely to require a low level of donation
- Hieracium colocephalum — likely to require a low level of donation
- Hieracium cologlossum — likely to require a low level of donation
- Hieracium colognense — likely to require a low level of donation
- Hieracium cololepium — likely to require a low level of donation
- Hieracium cololeptum — likely to require a low level of donation
- Hieracium coloplastum — likely to require a low level of donation
- Hieracium coloradense — likely to require a low level of donation
- Hieracium colorans — likely to require a low level of donation
- Hieracium coloratipes — likely to require a low level of donation
- Hieracium coloratum — likely to require a low level of donation
- Hieracium colorhizum — likely to require a low level of donation
- Hieracium coloripes — likely to require a low level of donation
- Hieracium coloriscapum — likely to require a low level of donation
- Hieracium colpodes — likely to require a low level of donation
- Hieracium colpophylloides — likely to require a low level of donation
- Hieracium colpophyllum — likely to require a low level of donation
- Hieracium columnare — likely to require a low level of donation
- Hieracium columniforme — likely to require a low level of donation
- Hieracium comanticeps — likely to require a low level of donation
- Hieracium comasinum — likely to require a low level of donation
- Hieracium comatuloides — likely to require a low level of donation
- Hieracium combense — likely to require a low level of donation
- Hieracium comigerum — likely to require a low level of donation
- Hieracium comitans — likely to require a low level of donation
- Hieracium commenticium — likely to require a low level of donation
- Hieracium comminutum — likely to require a low level of donation
- Hieracium commune — likely to require a low level of donation
- Hieracium communifrons — likely to require a low level of donation
- Hieracium commutatum — likely to require a low level of donation
- Hieracium comosum — likely to require a low level of donation
- Hieracium comotrophum — likely to require a low level of donation
- Hieracium compactum — likely to require a low level of donation
- Hieracium comparile — likely to require a low level of donation
- Hieracium comperianum — likely to require a low level of donation
- Hieracium compitale — likely to require a low level of donation
- Hieracium completum — likely to require a low level of donation
- Hieracium complexum — likely to require a low level of donation
- Hieracium compositum — likely to require a low level of donation
- Hieracium compsomorphum — likely to require a low level of donation
- Hieracium compsophyllum — likely to require a low level of donation
- Hieracium compsum — likely to require a low level of donation
- Hieracium comulatum — likely to require a low level of donation
- Hieracium concinnatum — likely to require a low level of donation
- Hieracium concinniusculum — likely to require a low level of donation
- Hieracium concinnulum — likely to require a low level of donation
- Hieracium concinnum — likely to require a low level of donation
- Hieracium concolor — likely to require a low level of donation
- Hieracium concolorans — likely to require a low level of donation
- Hieracium concordans — likely to require a low level of donation
- Hieracium concrescens — likely to require a low level of donation
- Hieracium concretum — likely to require a low level of donation
- Hieracium condensifolium — likely to require a low level of donation
- Hieracium condensiforme — likely to require a low level of donation
- Hieracium conduratum — likely to require a low level of donation
- Hieracium condylodes — likely to require a low level of donation
- Hieracium confertifolium — likely to require a low level of donation
- Hieracium confertum — likely to require a low level of donation
- Hieracium confinium — likely to require a low level of donation
- Hieracium confluens — likely to require a low level of donation
- Hieracium conformatum — likely to require a low level of donation
- Hieracium confragifolium — likely to require a low level of donation
- Hieracium confragosum — likely to require a low level of donation
- Hieracium confusum — likely to require a low level of donation
- Hieracium congenitum — likely to require a low level of donation
- Hieracium congestum — likely to require a low level of donation
- Hieracium conglobatum — likely to require a low level of donation
- Hieracium conglutinans — likely to require a low level of donation
- Hieracium congregans — likely to require a low level of donation
- Hieracium congregantiforme — likely to require a low level of donation
- Hieracium congregarium — likely to require a low level of donation
- Hieracium coniatum — likely to require a low level of donation
- Hieracium conibasum — likely to require a low level of donation
- Hieracium coniceps — likely to require a low level of donation
- Hieracium coniellum — likely to require a low level of donation
- Hieracium conillii — likely to require a low level of donation
- Hieracium coniocephalum — likely to require a low level of donation
- Hieracium coniolepis — likely to require a low level of donation
- Hieracium coniophorum — likely to require a low level of donation
- Hieracium coniops — likely to require a low level of donation
- Hieracium coniopum — likely to require a low level of donation
- Hieracium conistum — likely to require a low level of donation
- Hieracium conjunctum — likely to require a low level of donation
- Hieracium connexuosum — likely to require a low level of donation
- Hieracium conolepis — likely to require a low level of donation
- Hieracium conquense — likely to require a low level of donation
- Hieracium consanguineum — likely to require a low level of donation
- Hieracium conscissum — likely to require a low level of donation
- Hieracium consimilans — likely to require a low level of donation
- Hieracium conspectum — likely to require a low level of donation
- Hieracium conspersum — likely to require a low level of donation
- Hieracium conspicuum — likely to require a low level of donation
- Hieracium conspurcans — likely to require a low level of donation
- Hieracium constans — likely to require a low level of donation
- Hieracium constrictiforme — likely to require a low level of donation
- Hieracium constringens — likely to require a low level of donation
- Hieracium contaminatum — likely to require a low level of donation
- Hieracium contiguum — likely to require a low level of donation
- Hieracium contii — likely to require a low level of donation
- Hieracium continuum — likely to require a low level of donation
- Hieracium contracticeps — likely to require a low level of donation
- Hieracium contractiforme — likely to require a low level of donation
- Hieracium contractum — likely to require a low level of donation
- Hieracium contrarium — likely to require a low level of donation
- Hieracium controversum — likely to require a low level of donation
- Hieracium conutans — likely to require a low level of donation
- Hieracium convenarum — likely to require a low level of donation
- Hieracium convenicola — likely to require a low level of donation
- Hieracium convergens — likely to require a low level of donation
- Hieracium convergentipes — likely to require a low level of donation
- Hieracium copephorum — likely to require a low level of donation
- Hieracium cophodon — likely to require a low level of donation
- Hieracium copholepium — likely to require a low level of donation
- Hieracium cophomeles — likely to require a low level of donation
- Hieracium cophopum — likely to require a low level of donation
- Hieracium copidophyllum — likely to require a low level of donation
- Hieracium copulatum — likely to require a low level of donation
- Hieracium coracinum — likely to require a low level of donation
- Hieracium coracolaenum — likely to require a low level of donation
- Hieracium corbuligerum — likely to require a low level of donation
- Hieracium corconticum — likely to require a low level of donation
- Hieracium cordatum — likely to require a low level of donation
- Hieracium cordifolium — likely to require a low level of donation
- Hieracium cordifrons — likely to require a low level of donation
- Hieracium cordigerum — likely to require a low level of donation
- Hieracium cordobense — likely to require a low level of donation
- Hieracium coriaceum — likely to require a low level of donation
- Hieracium coriarium — likely to require a low level of donation
- Hieracium coriifolioides — likely to require a low level of donation
- Hieracium cornescens — likely to require a low level of donation
- Hieracium corniculans — likely to require a low level of donation
- Hieracium corniculatum — likely to require a low level of donation
- Hieracium cornigerum — likely to require a low level of donation
- Hieracium cornuscalae — likely to require a low level of donation
- Hieracium coronariifolium — likely to require a low level of donation
- Hieracium coronarium — likely to require a low level of donation
- Hieracium coronopoides — likely to require a low level of donation
- Hieracium corosifrons — likely to require a low level of donation
- Hieracium corrasum — likely to require a low level of donation
- Hieracium corrensii — likely to require a low level of donation
- Hieracium corrugatum — likely to require a low level of donation
- Hieracium corruptum — likely to require a low level of donation
- Hieracium corruscans — likely to require a low level of donation
- Hieracium corsentinum — likely to require a low level of donation
- Hieracium corsicum — likely to require a low level of donation
- Hieracium corteyanum — likely to require a low level of donation
- Hieracium corvinum — likely to require a low level of donation
- Hieracium corymbellum — likely to require a low level of donation
- Hieracium corymbiforme — likely to require a low level of donation
- Hieracium corymbosum — likely to require a low level of donation
- Hieracium corymbulosum — likely to require a low level of donation
- Hieracium corynellum — likely to require a low level of donation
- Hieracium corynodes — likely to require a low level of donation
- Hieracium coryphodes — likely to require a low level of donation
- Hieracium cosmiodontum — likely to require a low level of donation
- Hieracium cottetii — likely to require a low level of donation
- Hieracium cotyliscophorum — likely to require a low level of donation
- Hieracium covaledanum — likely to require a low level of donation
- Hieracium crandallii — likely to require a low level of donation
- Hieracium craspedon — likely to require a low level of donation
- Hieracium craspedotum — likely to require a low level of donation
- Hieracium crassescens — likely to require a low level of donation
- Hieracium crassicaule — likely to require a low level of donation
- Hieracium crassiceps — likely to require a low level of donation
- Hieracium crassifoliiforme — likely to require a low level of donation
- Hieracium crassifolium — likely to require a low level of donation
- Hieracium crassiglandulosum — likely to require a low level of donation
- Hieracium crassipedipilum — likely to require a low level of donation
- Hieracium crassiusculum — likely to require a low level of donation
- Hieracium crassocanum — likely to require a low level of donation
- Hieracium crassulum — likely to require a low level of donation
- Hieracium crassum — likely to require a low level of donation
- Hieracium crataechaetum — likely to require a low level of donation
- Hieracium craterocephalum — likely to require a low level of donation
- Hieracium craterodon — likely to require a low level of donation
- Hieracium cratophyton — likely to require a low level of donation
- Hieracium cravoniense — likely to require a low level of donation
- Hieracium creae — likely to require a low level of donation
- Hieracium crebiserratum — likely to require a low level of donation
- Hieracium crebrescens — likely to require a low level of donation
- Hieracium crebridens — likely to require a low level of donation
- Hieracium crebridentiforme — likely to require a low level of donation
- Hieracium crebriserratum — likely to require a low level of donation
- Hieracium cremiceps — likely to require a low level of donation
- Hieracium cremnaeiforme — likely to require a low level of donation
- Hieracium cremnaeum — likely to require a low level of donation
- Hieracium cremnanthes — likely to require a low level of donation
- Hieracium cremnophyes — likely to require a low level of donation
- Hieracium cremocephalum — likely to require a low level of donation
- Hieracium crenatifolium — likely to require a low level of donation
- Hieracium crenosum — likely to require a low level of donation
- Hieracium creperiforme — likely to require a low level of donation
- Hieracium creperum — likely to require a low level of donation
- Hieracium crepidanthum — likely to require a low level of donation
- Hieracium crepidifrons — likely to require a low level of donation
- Hieracium crepidioides — likely to require a low level of donation
- Hieracium crepidispermum — likely to require a low level of donation
- Hieracium crepidopsis — likely to require a low level of donation
- Hieracium crestanum — likely to require a low level of donation
- Hieracium cretaceum — likely to require a low level of donation
- Hieracium cretatum — likely to require a low level of donation
- Hieracium creusense — likely to require a low level of donation
- Hieracium crinellum — likely to require a low level of donation
- Hieracium criniceps — likely to require a low level of donation
- Hieracium criniculosum — likely to require a low level of donation
- Hieracium crinifolium — likely to require a low level of donation
- Hieracium crinigerum — likely to require a low level of donation
- Hieracium crinitellum — likely to require a low level of donation
- Hieracium crinitissimum — likely to require a low level of donation
- Hieracium crinitopannosum — likely to require a low level of donation
- Hieracium crinitum — likely to require a low level of donation
- Hieracium crinosum — likely to require a low level of donation
- Hieracium criosclerum — likely to require a low level of donation
- Hieracium crispatulum — likely to require a low level of donation
- Hieracium crispatum — likely to require a low level of donation
- Hieracium crispicans — likely to require a low level of donation
- Hieracium crispiceps — likely to require a low level of donation
- Hieracium crispiforme — likely to require a low level of donation
- Hieracium crispifrons — likely to require a low level of donation
- Hieracium crispulifolium — likely to require a low level of donation
- Hieracium crispulum — likely to require a low level of donation
- Hieracium crissaloense — likely to require a low level of donation
- Hieracium croaticum — likely to require a low level of donation
- Hieracium crocanthes — likely to require a low level of donation
- Hieracium crocatifrons — likely to require a low level of donation
- Hieracium crocatoides — likely to require a low level of donation
- Hieracium crocatum — likely to require a low level of donation
- Hieracium croceolum — likely to require a low level of donation
- Hieracium crocinulum — likely to require a low level of donation
- Hieracium crociodes — likely to require a low level of donation
- Hieracium crocydograptum — likely to require a low level of donation
- Hieracium crossotum — likely to require a low level of donation
- Hieracium cruciatum — likely to require a low level of donation
- Hieracium cruentiferum — likely to require a low level of donation
- Hieracium cruentum — likely to require a low level of donation
- Hieracium cryptadenum — likely to require a low level of donation