- Hieracium baeodomum — likely to require a low level of donation
- Hieracium baerianum — likely to require a low level of donation
- Hieracium bagnense — likely to require a low level of donation
- Hieracium baileyanum — likely to require a low level of donation
- Hieracium bakeranum — likely to require a low level of donation
- Hieracium bakerianum — likely to require a low level of donation
- Hieracium balbisianum — likely to require a low level of donation
- Hieracium baldaccianum — likely to require a low level of donation
- Hieracium baldaccii — likely to require a low level of donation
- Hieracium baliophaes — likely to require a low level of donation
- Hieracium baltarganum — likely to require a low level of donation
- Hieracium banaticum — likely to require a low level of donation
- Hieracium baphicum — likely to require a low level of donation
- Hieracium barasonense — likely to require a low level of donation
- Hieracium barbareifolium — likely to require a low level of donation
- Hieracium barbatulum — likely to require a low level of donation
- Hieracium barbatum — likely to require a low level of donation
- Hieracium barbelliceps — likely to require a low level of donation
- Hieracium barbigerum — likely to require a low level of donation
- Hieracium barbisquamum — likely to require a low level of donation
- Hieracium barbulatulum — likely to require a low level of donation
- Hieracium barduliense — likely to require a low level of donation
- Hieracium bariegoi — likely to require a low level of donation
- Hieracium baroniae — likely to require a low level of donation
- Hieracium barrelieri — likely to require a low level of donation
- Hieracium barrimum — likely to require a low level of donation
- Hieracium barrioluciense — likely to require a low level of donation
- Hieracium barturtense — likely to require a low level of donation
- Hieracium basalticarum — likely to require a low level of donation
- Hieracium basalticola — likely to require a low level of donation
- Hieracium basicaulescens — likely to require a low level of donation
- Hieracium basichnoum — likely to require a low level of donation
- Hieracium basicinereum — likely to require a low level of donation
- Hieracium basicomum — likely to require a low level of donation
- Hieracium basicrinum — likely to require a low level of donation
- Hieracium basicryptum — likely to require a low level of donation
- Hieracium basidecurrens — likely to require a low level of donation
- Hieracium basidenticeps — likely to require a low level of donation
- Hieracium basidiale — likely to require a low level of donation
- Hieracium basifalcatum — likely to require a low level of donation
- Hieracium basifloccum — likely to require a low level of donation
- Hieracium basifoliatum — likely to require a low level of donation
- Hieracium basifolium — likely to require a low level of donation
- Hieracium basiglyphum — likely to require a low level of donation
- Hieracium basigriseum — likely to require a low level of donation
- Hieracium basilacinium — likely to require a low level of donation
- Hieracium basileion — likely to require a low level of donation
- Hieracium basilenum — likely to require a low level of donation
- Hieracium basilimbatum — likely to require a low level of donation
- Hieracium basinudum — likely to require a low level of donation
- Hieracium basiphyllum — likely to require a low level of donation
- Hieracium basipinnatum — likely to require a low level of donation
- Hieracium basiplethes — likely to require a low level of donation
- Hieracium basipterum — likely to require a low level of donation
- Hieracium basirhacum — likely to require a low level of donation
- Hieracium basischistum — likely to require a low level of donation
- Hieracium basiserratum — likely to require a low level of donation
- Hieracium basispodium — likely to require a low level of donation
- Hieracium basitrichum — likely to require a low level of donation
- Hieracium basiunguiculum — likely to require a low level of donation
- Hieracium basivinosum — likely to require a low level of donation
- Hieracium bastrerianum — likely to require a low level of donation
- Hieracium bathycephalum — likely to require a low level of donation
- Hieracium bathycranum — likely to require a low level of donation
- Hieracium bathycyliceum — likely to require a low level of donation
- Hieracium bathylepioides — likely to require a low level of donation
- Hieracium bathylepium — likely to require a low level of donation
- Hieracium bathymallum — likely to require a low level of donation
- Hieracium bathypogon — likely to require a low level of donation
- Hieracium batycomum — likely to require a low level of donation
- Hieracium bauhiniflorum — likely to require a low level of donation
- Hieracium bauhiniforme — likely to require a low level of donation
- Hieracium bauhinii — likely to require a low level of donation
- Hieracium bavaricum — likely to require a low level of donation
- Hieracium bealii — likely to require a low level of donation
- Hieracium beamanii — likely to require a low level of donation
- Hieracium beckianum — likely to require a low level of donation
- Hieracium bectauatensis — likely to require a low level of donation
- Hieracium beebyanum — likely to require a low level of donation
- Hieracium beerianum — likely to require a low level of donation
- Hieracium bellidiastrum — likely to require a low level of donation
- Hieracium bellidifolium — likely to require a low level of donation
- Hieracium bellulum — likely to require a low level of donation
- Hieracium bellum — likely to require a low level of donation
- Hieracium belogradcense — likely to require a low level of donation
- Hieracium belonodes — likely to require a low level of donation
- Hieracium belonodontum — likely to require a low level of donation
- Hieracium belsetanum — likely to require a low level of donation
- Hieracium bembicophorum — likely to require a low level of donation
- Hieracium benhopense — likely to require a low level of donation
- Hieracium benulum — likely to require a low level of donation
- Hieracium benzianum — likely to require a low level of donation
- Hieracium berganum — likely to require a low level of donation
- Hieracium bergsetense — likely to require a low level of donation
- Hieracium bergstroemii — likely to require a low level of donation
- Hieracium bernardii — likely to require a low level of donation
- Hieracium berninense — likely to require a low level of donation
- Hieracium bertilssonii — likely to require a low level of donation
- Hieracium bertisceum — likely to require a low level of donation
- Hieracium beschtaviciforme — likely to require a low level of donation
- Hieracium besnellum — likely to require a low level of donation
- Hieracium bessei — likely to require a low level of donation
- Hieracium besserianum — likely to require a low level of donation
- Hieracium bettyhillense — likely to require a low level of donation
- Hieracium betulamans — likely to require a low level of donation
- Hieracium betuletorum — likely to require a low level of donation
- Hieracium beudense — likely to require a low level of donation
- Hieracium beugesiacum — likely to require a low level of donation
- Hieracium beverianum — likely to require a low level of donation
- Hieracium beyeri — likely to require a low level of donation
- Hieracium beylii — likely to require a low level of donation
- Hieracium bicapitatum — likely to require a low level of donation
- Hieracium bichloricolor — likely to require a low level of donation
- Hieracium bichlorophyllon — likely to require a low level of donation
- Hieracium bicipitans — likely to require a low level of donation
- Hieracium bicknellianum — likely to require a low level of donation
- Hieracium bicolor — likely to require a low level of donation
- Hieracium bicoloriflorum — likely to require a low level of donation
- Hieracium bicurvum — likely to require a low level of donation
- Hieracium bidentatum — likely to require a low level of donation
- Hieracium bienne — likely to require a low level of donation
- Hieracium bifidellum — likely to require a low level of donation
- Hieracium bifidicolor — likely to require a low level of donation
- Hieracium bifidiforme — likely to require a low level of donation
- Hieracium bifidum — likely to require a low level of donation
- Hieracium bifolium — likely to require a low level of donation
- Hieracium biforme — likely to require a low level of donation
- Hieracium bifurcatum — likely to require a low level of donation
- Hieracium bifurcum — likely to require a low level of donation
- Hieracium bigeminum — likely to require a low level of donation
- Hieracium bijugipes — likely to require a low level of donation
- Hieracium bimanum — likely to require a low level of donation
- Hieracium binatifolium — likely to require a low level of donation
- Hieracium binatum — likely to require a low level of donation
- Hieracium bindalense — likely to require a low level of donation
- Hieracium binzii — likely to require a low level of donation
- Hieracium bipediforme — likely to require a low level of donation
- Hieracium bipes — likely to require a low level of donation
- Hieracium birameum — likely to require a low level of donation
- Hieracium bitense — likely to require a low level of donation
- Hieracium biturigense — likely to require a low level of donation
- Hieracium bivonae — likely to require a low level of donation
- Hieracium bjeluschae — likely to require a low level of donation
- Hieracium bjerkoense — likely to require a low level of donation
- Hieracium blaesodon — likely to require a low level of donation
- Hieracium blancii — likely to require a low level of donation
- Hieracium blanditum — likely to require a low level of donation
- Hieracium blanqueti — likely to require a low level of donation
- Hieracium blattariforme — likely to require a low level of donation
- Hieracium blattarioideum — likely to require a low level of donation
- Hieracium blatteum — likely to require a low level of donation
- Hieracium blekingense — likely to require a low level of donation
- Hieracium blepharidiphyllum — likely to require a low level of donation
- Hieracium blyttianoides — likely to require a low level of donation
- Hieracium blyttianum — likely to require a low level of donation
- Hieracium bocconei — likely to require a low level of donation
- Hieracium bocconeiforme — likely to require a low level of donation
- Hieracium bogense — likely to require a low level of donation
- Hieracium bohatschianum — likely to require a low level of donation
- Hieracium boicum — likely to require a low level of donation
- Hieracium boisseri — likely to require a low level of donation
- Hieracium bolanderi — likely to require a low level of donation
- Hieracium boliviense — likely to require a low level of donation
- Hieracium bolsoyense — likely to require a low level of donation
- Hieracium bombycinum — likely to require a low level of donation
- Hieracium boraeanum — likely to require a low level of donation
- Hieracium borale — likely to require a low level of donation
- Hieracium borckae — likely to require a low level of donation
- Hieracium boreades — likely to require a low level of donation
- Hieracium boreale — likely to require a low level of donation
- Hieracium borealiforme — likely to require a low level of donation
- Hieracium boreoanglicum — likely to require a low level of donation
- Hieracium boreoapenninum — likely to require a low level of donation
- Hieracium boreum — likely to require a low level of donation
- Hieracium borgundense — likely to require a low level of donation
- Hieracium bornetii — likely to require a low level of donation
- Hieracium bornholmiense — likely to require a low level of donation
- Hieracium borragineum — likely to require a low level of donation
- Hieracium borsanum — likely to require a low level of donation
- Hieracium borshomiense — likely to require a low level of donation
- Hieracium borussiacum — likely to require a low level of donation
- Hieracium borzae — likely to require a low level of donation
- Hieracium bosniacum — likely to require a low level of donation
- Hieracium bosniaphilum — likely to require a low level of donation
- Hieracium boswelli — likely to require a low level of donation
- Hieracium botnicum — likely to require a low level of donation
- Hieracium botniense — likely to require a low level of donation
- Hieracium bourgaei — likely to require a low level of donation
- Hieracium boyumense — likely to require a low level of donation
- Hieracium brachiatum — likely to require a low level of donation
- Hieracium brachionotum — likely to require a low level of donation
- Hieracium brachyacron — likely to require a low level of donation
- Hieracium brachyanthum — likely to require a low level of donation
- Hieracium brachycalyx — likely to require a low level of donation
- Hieracium brachycaule — likely to require a low level of donation
- Hieracium brachyceatrum — likely to require a low level of donation
- Hieracium brachychaetum — likely to require a low level of donation
- Hieracium brachycladum — likely to require a low level of donation
- Hieracium brachycodon — likely to require a low level of donation
- Hieracium brachycybe — likely to require a low level of donation
- Hieracium brachyeilema — likely to require a low level of donation
- Hieracium brachylepium — likely to require a low level of donation
- Hieracium brachyligulum — likely to require a low level of donation
- Hieracium brachyplectum — likely to require a low level of donation
- Hieracium brachypodarium — likely to require a low level of donation
- Hieracium brachypodum — likely to require a low level of donation
- Hieracium brachysceles — likely to require a low level of donation
- Hieracium brachysoma — likely to require a low level of donation
- Hieracium brachystylum — likely to require a low level of donation
- Hieracium brachytes — likely to require a low level of donation
- Hieracium brachythysanum — likely to require a low level of donation
- Hieracium brachytrichum — likely to require a low level of donation
- Hieracium bracteifolium — likely to require a low level of donation
- Hieracium bracteolatum — likely to require a low level of donation
- Hieracium bracteolicaule — likely to require a low level of donation
- Hieracium bracteolosum — likely to require a low level of donation
- Hieracium bracteosissimum — likely to require a low level of donation
- Hieracium bracteosum — likely to require a low level of donation
- Hieracium bradinum — likely to require a low level of donation
- Hieracium braendoeense — likely to require a low level of donation
- Hieracium branae — likely to require a low level of donation
- Hieracium brandegeei — likely to require a low level of donation
- Hieracium brandelii — likely to require a low level of donation
- Hieracium brasiliense — likely to require a low level of donation
- Hieracium braunianum — likely to require a low level of donation
- Hieracium braunii — likely to require a low level of donation
- Hieracium breacense — likely to require a low level of donation
- Hieracium breadalbanense — likely to require a low level of donation
- Hieracium breazense — likely to require a low level of donation
- Hieracium breconense — likely to require a low level of donation
- Hieracium breconicola — likely to require a low level of donation
- Hieracium breimense — likely to require a low level of donation
- Hieracium bremangerense — likely to require a low level of donation
- Hieracium brennerianum — likely to require a low level of donation
- Hieracium brentanum — likely to require a low level of donation
- Hieracium breve — likely to require a low level of donation
- Hieracium brevialatum — likely to require a low level of donation
- Hieracium breviatum — likely to require a low level of donation
- Hieracium brevicaule — likely to require a low level of donation
- Hieracium brevicollum — likely to require a low level of donation
- Hieracium brevifloriferum — likely to require a low level of donation
- Hieracium brevifolioides — likely to require a low level of donation
- Hieracium brevifolium — likely to require a low level of donation
- Hieracium brevifurcum — likely to require a low level of donation
- Hieracium breviglandulosum — likely to require a low level of donation
- Hieracium breviglandulum — likely to require a low level of donation
- Hieracium brevilanosum — likely to require a low level of donation
- Hieracium breviligulatum — likely to require a low level of donation
- Hieracium brevipes — likely to require a low level of donation
- Hieracium brevipiliferum — likely to require a low level of donation
- Hieracium brevipilosum — likely to require a low level of donation
- Hieracium brevipilum — likely to require a low level of donation
- Hieracium breviramum — likely to require a low level of donation
- Hieracium breviscapum — likely to require only a small donation
- Hieracium brevisuratum — likely to require a low level of donation
- Hieracium breviusculum — likely to require a low level of donation
- Hieracium brevivestitum — likely to require a low level of donation
- Hieracium brevivittatum — likely to require a low level of donation
- Hieracium brezianum — likely to require a low level of donation
- Hieracium brigantiacum — likely to require a low level of donation
- Hieracium brigantum — likely to require a low level of donation
- Hieracium brillii — likely to require a low level of donation
- Hieracium briquetianum — likely to require a low level of donation
- Hieracium britanniciforme — likely to require a low level of donation
- Hieracium britannicoides — likely to require a low level of donation
- Hieracium britannicum — likely to require a low level of donation
- Hieracium bronnoyense — likely to require a low level of donation
- Hieracium broteri — likely to require a low level of donation
- Hieracium brotheri — likely to require a low level of donation
- Hieracium bruchense — likely to require a low level of donation
- Hieracium bructerum — likely to require a low level of donation
- Hieracium bruennense — likely to require a low level of donation
- Hieracium brunellicuspis — likely to require a low level of donation
- Hieracium brunopolitanum — likely to require a low level of donation
- Hieracium bubanianum — likely to require a low level of donation
- Hieracium bubelae — likely to require a low level of donation
- Hieracium bucovinense — likely to require a low level of donation
- Hieracium bucuranum — likely to require a low level of donation
- Hieracium budaianum — likely to require a low level of donation
- Hieracium budoschiense — likely to require a low level of donation
- Hieracium bueckii — likely to require a low level of donation
- Hieracium buense — likely to require a low level of donation
- Hieracium bugellense — likely to require a low level of donation
- Hieracium buhsei — likely to require a low level of donation
- Hieracium bukovicae — likely to require a low level of donation
- Hieracium bulsanense — likely to require a low level of donation
- Hieracium bupleurifolioides — likely to require a low level of donation
- Hieracium bupleurifolium — likely to require a low level of donation
- Hieracium bupleuroides — likely to require a low level of donation
- Hieracium burkarii — likely to require a low level of donation
- Hieracium burkartii — likely to require a low level of donation
- Hieracium burnatii — likely to require a low level of donation
- Hieracium bursifolium — likely to require a low level of donation
- Hieracium busambarense — likely to require a low level of donation
- Hieracium buxicola — likely to require a low level of donation
- Hieracium cabicola — likely to require a low level of donation
- Hieracium cabreranum — likely to require a low level of donation
- Hieracium cabrillanense — likely to require a low level of donation
- Hieracium cacanthum — likely to require a low level of donation
- Hieracium cacolonum — likely to require a low level of donation
- Hieracium cacomedes — likely to require a low level of donation
- Hieracium cacrayense — likely to require a low level of donation
- Hieracium cacuminatum — likely to require a low level of donation
- Hieracium cacuminiustum — likely to require a low level of donation
- Hieracium cacuminum — likely to require a low level of donation
- Hieracium caesariatellum — likely to require a low level of donation
- Hieracium caesariatum — likely to require a low level of donation
- Hieracium caesielloides — likely to require a low level of donation
- Hieracium caesiellum — likely to require a low level of donation
- Hieracium caesiicolor — likely to require a low level of donation
- Hieracium caesiifloroides — likely to require a low level of donation
- Hieracium caesiifolium — likely to require a low level of donation
- Hieracium caesiofloccosum — likely to require a low level of donation
- Hieracium caesioforme — likely to require a low level of donation
- Hieracium caesiogenum — likely to require a low level of donation
- Hieracium caesioides — likely to require a low level of donation
- Hieracium caesiomurorum — likely to require a low level of donation
- Hieracium caesionigrescens — likely to require a low level of donation
- Hieracium caesiopellitum — likely to require a low level of donation
- Hieracium caesiopilosum — likely to require a low level of donation
- Hieracium caesiopsis — likely to require a low level of donation
- Hieracium caesiotinctum — likely to require a low level of donation
- Hieracium caesiovirens — likely to require a low level of donation
- Hieracium caesitiifolium — likely to require a low level of donation
- Hieracium caesitiiforme — likely to require a low level of donation
- Hieracium caesitiifrons — likely to require a low level of donation
- Hieracium caesitioides — likely to require a low level of donation
- Hieracium caesitium — likely to require a low level of donation
- Hieracium caesium — likely to require a low level of donation
- Hieracium caespitans — likely to require a low level of donation
- Hieracium caespiticola — likely to require a low level of donation
- Hieracium caespitiforme — likely to require a low level of donation
- Hieracium cajanderi — likely to require a low level of donation
- Hieracium calabricum — likely to require a low level of donation
- Hieracium calanthes — likely to require a low level of donation
- Hieracium calanthodes — likely to require a low level of donation
- Hieracium calanthodium — likely to require a low level of donation
- Hieracium calatharium — likely to require a low level of donation
- Hieracium calathiscophorum — likely to require a low level of donation
- Hieracium calcaratum — likely to require a low level of donation
- Hieracium calcareum — likely to require a low level of donation
- Hieracium calcaricola — likely to require a low level of donation
- Hieracium calcidicum — likely to require a low level of donation
- Hieracium calcimoncayense — likely to require a low level of donation
- Hieracium calcogeton — likely to require a low level of donation
- Hieracium caledon — likely to require a low level of donation
- Hieracium caledonicum — likely to require a low level of donation
- Hieracium calenduliflorum — likely to require a low level of donation
- Hieracium caliginosum — likely to require a low level of donation
- Hieracium calisii — likely to require a low level of donation
- Hieracium callianthum — likely to require a low level of donation
- Hieracium callichlorum — likely to require a low level of donation
- Hieracium callichroum — likely to require a low level of donation
- Hieracium callicomum — likely to require a low level of donation
- Hieracium calliglaucum — likely to require a low level of donation
- Hieracium callimorphopsis — likely to require a low level of donation
- Hieracium callistophyllum — likely to require a low level of donation
- Hieracium callosum — likely to require a low level of donation
- Hieracium callunetorum — likely to require a low level of donation
- Hieracium calocephalum — likely to require a low level of donation
- Hieracium calochromum — likely to require a low level of donation
- Hieracium calochroum — likely to require a low level of donation
- Hieracium calocymum — likely to require a low level of donation
- Hieracium calodes — likely to require a low level of donation
- Hieracium calophyllomorphum — likely to require a low level of donation
- Hieracium calophyllum — likely to require a low level of donation
- Hieracium caloprasium — likely to require a low level of donation
- Hieracium caloscias — likely to require a low level of donation
- Hieracium calothyrsum — likely to require a low level of donation
- Hieracium caloxanthum — likely to require a low level of donation
- Hieracium calvens — likely to require a low level of donation
- Hieracium calviceps — likely to require a low level of donation
- Hieracium calvifolium — likely to require a low level of donation
- Hieracium calvulum — likely to require a low level of donation
- Hieracium calvum — likely to require a low level of donation
- Hieracium calycostenum — likely to require a low level of donation
- Hieracium calyculatum — likely to require a low level of donation
- Hieracium calymmotum — likely to require a low level of donation
- Hieracium calypterotum — likely to require a low level of donation
- Hieracium cambrense — likely to require a low level of donation
- Hieracium cambricogothicum — likely to require a low level of donation
- Hieracium cambricum — likely to require a low level of donation
- Hieracium camkorijense — likely to require a low level of donation
- Hieracium campesicaule — likely to require a low level of donation
- Hieracium campolenum — likely to require a low level of donation
- Hieracium camptoclados — likely to require a low level of donation
- Hieracium camptopetalum — likely to require a low level of donation
- Hieracium camptotrichum — likely to require a low level of donation
- Hieracium campylodon — likely to require a low level of donation
- Hieracium campylopodum — likely to require a low level of donation
- Hieracium campylotrichum — likely to require a low level of donation
- Hieracium camurum — likely to require a low level of donation
- Hieracium canadense — likely to require a low level of donation
- Hieracium canaliculatum — likely to require a low level of donation
- Hieracium candelabrae — likely to require a low level of donation
- Hieracium candelabrum — likely to require a low level of donation
- Hieracium candescens — likely to require a low level of donation
- Hieracium candidissimum — likely to require a low level of donation
- Hieracium candidum — likely to require a low level of donation
- Hieracium candollei — likely to require a low level of donation
- Hieracium canescens — likely to require a low level of donation
- Hieracium caniceps — likely to require a low level of donation
- Hieracium canicollum — likely to require a low level of donation
- Hieracium caniforme — likely to require a low level of donation
- Hieracium canipediforme — likely to require a low level of donation
- Hieracium canipedifrons — likely to require a low level of donation
- Hieracium canipedunculum — likely to require a low level of donation
- Hieracium canipes — likely to require a low level of donation
- Hieracium caniphyllum — likely to require a low level of donation
- Hieracium canipioides — likely to require a low level of donation
- Hieracium canisquamum — likely to require a low level of donation
- Hieracium canistrale — likely to require a low level of donation
- Hieracium canitiosum — likely to require a low level of donation
- Hieracium canitulum — likely to require a low level of donation
- Hieracium canofloccosum — likely to require a low level of donation
- Hieracium canopilosum — likely to require a low level of donation
- Hieracium canostriatum — likely to require a low level of donation
- Hieracium canotectum — likely to require a low level of donation
- Hieracium canoturbinatum — likely to require a low level of donation
- Hieracium canovillosum — likely to require a low level of donation
- Hieracium canovirens — likely to require a low level of donation
- Hieracium canoviridiceps — likely to require a low level of donation
- Hieracium canovittatum — likely to require a low level of donation
- Hieracium cantalicum — likely to require a low level of donation
- Hieracium cantianum — likely to require a low level of donation
- Hieracium canulentum — likely to require a low level of donation
- Hieracium canuliceps — likely to require a low level of donation
- Hieracium capaciceps — likely to require a low level of donation
- Hieracium capensis — likely to require a low level of donation
- Hieracium caperatum — likely to require a low level of donation
- Hieracium capillans — likely to require a low level of donation
- Hieracium capillanticeps — likely to require a low level of donation
- Hieracium capillatum — likely to require a low level of donation
- Hieracium capillosum — likely to require a low level of donation
- Hieracium capitatum — likely to require a low level of donation
- Hieracium capitonale — likely to require a low level of donation
- Hieracium capituliferum — likely to require a low level of donation
- Hieracium capitulum — likely to require a low level of donation
- Hieracium capnostylum — likely to require a low level of donation
- Hieracium capnotrichoides — likely to require a low level of donation
- Hieracium capnotrichoidiceps — likely to require a low level of donation
- Hieracium capnotrichum — likely to require a low level of donation
- Hieracium capsellifolium — likely to require a low level of donation
- Hieracium capsiriense — likely to require a low level of donation
- Hieracium carabodes — likely to require a low level of donation
- Hieracium carabopsis — likely to require a low level of donation
- Hieracium caraeum — likely to require a low level of donation
- Hieracium caralti — likely to require a low level of donation
- Hieracium carcarophyllum — likely to require a low level of donation
- Hieracium cardiobasis — likely to require a low level of donation
- Hieracium cardoanum — likely to require a low level of donation
- Hieracium carenorum — likely to require a low level of donation
- Hieracium carestianum — likely to require a low level of donation
- Hieracium carinthiostiriacum — likely to require a low level of donation
- Hieracium carlsonii — likely to require a low level of donation
- Hieracium carneddorum — likely to require a low level of donation
- Hieracium carneum — likely to require a low level of donation
- Hieracium carnosiceps — likely to require a low level of donation
- Hieracium carolinianum — likely to require a low level of donation
- Hieracium carolipauanum — likely to require a low level of donation
- Hieracium carpathicola — likely to require a low level of donation
- Hieracium carpathicum — likely to require a low level of donation
- Hieracium carpaticum — likely to require a low level of donation
- Hieracium carpegnae — likely to require a low level of donation
- Hieracium carpetanum — likely to require a low level of donation
- Hieracium carroceranum — likely to require a low level of donation
- Hieracium cascadorum — likely to require a low level of donation
- Hieracium casciceps — likely to require a low level of donation
- Hieracium casparyanum — likely to require a low level of donation
- Hieracium castellanum — likely to require a low level of donation
- Hieracium casterinum — likely to require a low level of donation
- Hieracium cataethaloides — likely to require a low level of donation
- Hieracium cataethalum — likely to require a low level of donation
- Hieracium cataleptum — likely to require a low level of donation
- Hieracium catamarcense — likely to require a low level of donation
- Hieracium cataponum — likely to require a low level of donation
- Hieracium cataractarum — likely to require a low level of donation
- Hieracium cateileum — likely to require a low level of donation
- Hieracium catenatum — likely to require a low level of donation
- Hieracium cathaemactum — likely to require a low level of donation
- Hieracium cathaemum — likely to require a low level of donation
- Hieracium catharyllum — likely to require a low level of donation
- Hieracium catillifolium — likely to require a low level of donation
- Hieracium catobleutum — likely to require a low level of donation
- Hieracium catocerinthe — likely to require a low level of donation
- Hieracium catothamium — likely to require a low level of donation
- Hieracium catoxyides — likely to require a low level of donation
- Hieracium catoxylepideum — likely to require a low level of donation
- Hieracium catoxylepis — likely to require a low level of donation
- Hieracium catoxyphyllum — likely to require a low level of donation
- Hieracium caucasicum — likely to require only a small donation
- Hieracium caucasiense — likely to require a low level of donation
- Hieracium caudatulum — likely to require a low level of donation
- Hieracium caudatum — likely to require a low level of donation
- Hieracium caulophyllum — likely to require a low level of donation
- Hieracium causiatum — likely to require a low level of donation
- Hieracium caussile — likely to require a low level of donation
- Hieracium cavallense — likely to require a low level of donation
- Hieracium cavanillesianum — likely to require a low level of donation
- Hieracium cavillieri — likely to require a low level of donation