| Species | Species code | Content |
| acamptum P.D. Sell & C. West | |
| acuminatum Jord. | |
| aggregatum Backh. f. | |
| alpinum L. | |
| amplexicaule L. | |
| ampliatum (W.R. Linton) Ley | |
| anfractiforme E.S. Marshall | |
| anglicum Fr. | |
| anguinum (W.R. Linton) Roffey | |
| angustatiforme P.D. Sell & C. West | |
| angustatum (Lindeb.) Lindeb. | |
| angustisquamum (Pugsley) Pugsley | |
| argenteum Fr. | |
| asteridiophyllum P.D. Sell & C. West | |
| attenuatifolium P.D. Sell & C. West | |
| auratiflorum Pugsley | |
| australius (Beeby) Pugsley | |
| backhousei F. Hanb. | |
| bakerianum Pugsley | |
| basalticola Pugsley | |
| borreri Syme | |
| breadalbanense F. Hanb. | |
| breve Beeby | |
| brigantum (F. Hanb.) Roffey | |
| britanniciforme Pugsley | |
| britannicum F. Hanb. | |
| cacuminum (Ley) Ley | |
| caesiomurorum Lindeb. | |
| caesionigrescens Fr. ex Stenstr. | |
| calcaricola (F. Hanb.) Roffey | |
| caledonicum F. Hanb. | |
| calenduliflorum Backh. f. | |
| callistophyllum F. Hanb. | |
| calvum P.D. Sell & D.J. Tennant | |
| cambricogothicum Pugsley | |
| cambricum (Baker) F. Hanb. | |
| camptopetalum (F. Hanb.) P.D. Sell & C. West | |
| candelabrae W.R. Linton | |
| cantianum F. Hanb. | |
| cardiophyllum Jord. ex Sudre | |
| carneddorum Pugsley | |
| carpathicum Besser | |
| centripetale F. Hanb. | |
| cheriense Jord. ex Boreau | |
| chloranthum Pugsley | |
| chondrillifolium Fr. | |
| chrysolorum P.D. Sell & C. West | |
| cillense Pugsley | |
| cinderella (Ley) Ley | |
| clovense E.F. Linton | |
| completum P.D. Sell & C. West | |
| cravoniense (F. Hanb.) Roffey | |
| crebridentiforme Pugsley | |
| cremnanthes (F. Hanb.) Pugsley | |
| cumbriense F. Hanb. | |
| cuneifrons (Ley ex W.R. Linton) Pugsley | |
| cuspidens P.D. Sell & C. West | |
| cyathis (Ley) W.R. Linton | |
| cymbifolium Purchas | |
| dasythrix (E.F. Linton) Pugsley | |
| decolor (W.R. Linton) Ley | |
| dewarii Syme | |
| diaphanoides Lindeb. | |
| diaphanum Fr. | |
| dicella P.D. Sell & C. West | |
| difficile P.D. Sell & C. West | |
| dilectum P.D. Sell & C. West | |
| dipteroides Dahlst. | |
| discophyllum P.D. Sell & C. West | |
| dissimile (Lindeb.) Lindeb. ex Elfstr. | |
| diversidens P.D. Sell & C. West | |
| dovrense Fr. | |
| drummondii Pugsley | |
| duriceps F. Hanb. | |
| eboracense Pugsley | |
| ebudicum Pugsley | |
| eucallum P.D. Sell & C. West | |
| eustales E.F. Linton | |
| eustomon (E.F. Linton) Roffey | |
| eximium Backh. f. | |
| exotericum Jord. ex Boreau | |
| flocculosum Backh. f. | |
| fratrum Pugsley | |
| fulvocaesium Pugsley | |
| glanduliceps P.D. Sell & C. West | |
| glandulidens P.D. Sell & C. West | |
| globosiflorum Pugsley | |
| gothicoides Pugsley | |
| gougetianum Gren. & Godr. | |
| gracilifolium (F. Hanb.) Pugsley | |
| grandidens Dahlst. | |
| graniticola W.R. Linton | |
| gratum P.D. Sell & C. West | |
| grovesii Pugsley | |
| hanburyi Pugsley | |
| hartii (F. Hanb.) P.D. Sell & C. West | |
| hastiforme P.D. Sell & C. West | |
| hebridense Pugsley | |
| hethlandiae (F. Hanb.) Pugsley | |
| hibernicum F. Hanb. | |
| hjeltii Norrl. ex T. Saelan, Nyl. & F. Nyl. | |
| holophyllum W.R. Linton | |
| holosericeum Backh. f. | |
| hyparcticoides Pugsley | |
| hypochaeroides Gibson | |
| insigne Backh. f. ex P.D. Sell & D.J. Tennant | |
| insulare (F. Hanb.) F. Hanb. | |
| integratum (Dahlst. ex Stenstr.) Dahlst. | |
| iricum Fr. | |
| isabellae E.S. Marshall | |
| itunense Pugsley | |
| jovimontis (Zahn) Roffey | |
| kennethii P.D. Sell & D.J. Tennant | |
| kentii P.D. Sell | |
| laetificum P.D. Sell & C. West | |
| lanatum Vill. | |
| langwellense F. Hanb. | |
| larigense (Pugsley) P.D. Sell & C. West | |
| lasiophyllum W.D.J. Koch | |
| latobrigorum (Zahn) Roffey | |
| lepidulum Stenstr. | |
| leptodon P.D. Sell & D.J. Tennant | |
| leyanum (Zahn) Roffey | |
| leyi F. Hanb. | |
| linguans (Zahn) Roffey | |
| lingulatum Backh. f. ex Hook. & Arn. | |
| lissolepium (Zahn) Roffey | |
| longilobum (Dahlst. ex Zahn) Roffey | |
| macrocarpum Pugsley | |
| maculatum Sm. | |
| maculoides P.D. Sell & C. West | |
| maculosum Dahlst. ex Stenstr. | |
| magniceps P.D. Sell & C. West | |
| marginatum P.D. Sell & C. West | |
| maritimum (F. Hanb.) F. Hanb. | |
| marshallii E.F. Linton | |
| melanochloricephalum Pugsley | |
| memorabile P.D. Sell & C. West | |
| milesii P.D. Sell & C. West | |
| mirandum P.D. Sell & C. West | |
| molybdochroum Dahlst. | |
| mucronellum P.D. Sell & C. West | |
| mundum P.D. Sell & C. West | |
| murorum agg. | |
| naviense J.N. Mills | |
| neocoracinum Pugsley | |
| nidense (F. Hanb.) Roffey | |
| nitidum Backh. f. | |
| northroense Pugsley | |
| notabile P.D. Sell & C. West | |
| oblongum Jord. | |
| oistophyllum Pugsley | |
| optimum P.D. Sell & C. West | |
| orcadense W.R. Linton | |
| orimeles F. Hanb. ex W.R. Linton | |
| orithales E.F. Linton | |
| ornatilorum P.D. Sell & C. West | |
| oxyodus W.R. Linton | |
| pachyphylloides (Zahn) Roffey | |
| patale Norrl. | |
| pauculidens P.D. Sell & C. West | |
| pellucidum Laest. | |
| pensum P.D. Sell & C. West | |
| perscitum P.D. Sell & C. West | |
| petrocharis (E.F. Linton) W.R. Linton | |
| pictorum E.F. Linton | |
| piligerum (Pugsley) P.D. Sell & C. West | |
| pilosum Schleich. ex Froel. | |
| placerophylloides Pugsley | |
| pollichiae Sch. Bip. | |
| pollinarioides Pugsley | |
| pollinarium F. Hanb. | |
| praethulense Pugsley | |
| prenanthoides Vill. | |
| probum P.D. Sell & C. West | |
| prolixum Norrl. | |
| proximum F. Hanb. | |
| pruinale (Zahn) P.D. Sell & C. West | |
| pseudanglicoides Raven, P.D. Sell & C. West | |
| pseudanglicum Pugsley | |
| pseudocurvatum (Zahn) Pugsley | |
| pseudoleyi (Zahn) Roffey | |
| pseudopetiolatum (Zahn) Roffey | |
| pseudosarcophyllum Pugsley | |
| pseudostenstroemii Pugsley | |
| pugsleyi P.D. Sell & C. West | |
| pulchrius (Ley) W.R. Linton | |
| pulmonarioides Vill. | |
| pycnotrichum (W.R. Linton) Roffey | |
| radyrense (Pugsley) P.D. Sell & C. West | |
| rectulum Ley | |
| repandulare Druce | |
| reticulatum Lindeb. | |
| rhomboides (Stenstr.) Johanss. | |
| riddelsdellii Pugsley | |
| rigens Jord. | |
| rivale F. Hanb. | |
| rubiginosum F. Hanb. | |
| sabaudum L. | |
| salticola (Sudre) P.D. Sell & C. West | |
| sanguineum (Ley) W.R. Linton | |
| sarcophylloides Dahlst. | |
| saxorum (F. Hanb.) P.D. Sell & C. West | |
| scabrisetum (Zahn) Roffey | |
| scarpicum Pugsley | |
| schmidtii Tausch | |
| scoticum F. Hanb. | |
| scotostictum Hyl. | |
| scullyi W.R. Linton | |
| sect. Hieracium exotericum agg. | |
| senescens Backh. f. | |
| severiceps Wiinst. | |
| shoolbredii E.S. Marshall | |
| silvaticoides Pugsley | |
| sinuans F. Hanb. | |
| snowdoniense P.D. Sell & C. West | |
| solum P.D. Sell & C. West | |
| sommerfeltii Lindeb. | |
| sparsifolium Lindeb. | |
| sparsifrons P.D. Sell & C. West | |
| speluncarum Arv.-Touv. | |
| spenceanum W. Scott & R.C. Palmer | |
| stenolepiforme (Pugsley) P.D. Sell & C. West | |
| stenopholidium (Dahlst.) Omang | |
| stenophyes W.R. Linton | |
| stenstroemii (Dahlst.) Johanss. | |
| stewartii (F. Hanb.) Roffey | |
| strictiforme (Zahn) Roffey | |
| subamplifolium (Zahn) Roffey | |
| subbritannicum (Ley) P.D. Sell & C. West | |
| subcrassum (Almq. ex Dahlst.) Johanss. | |
| subcrocatum (E.F. Linton) Roffey | |
| subglobosum P.D. Sell & C. West | |
| subgracilentipes (Zahn) Roffey | |
| subhirtum (F. Hanb.) Pugsley | |
| subintegrifolium Pugsley | |
| sublepistoides (Zahn) Druce | |
| subminutidens (Zahn) Pugsley | |
| submutabile (Zahn) Pugsley | |
| subplanifolium Pugsley | |
| subprasinifolium Pugsley | |
| subramosum Lönnr. | |
| subrude (Arv.-Touv.) Arv.-Touv. | |
| substrigosum (Zahn) Roffey | |
| subtenue (W.R. Linton) Roffey | |
| subtruncatum Beeby | |
| subumbellatiforme (Zahn) Roffey | |
| surrejanum F. Hanb. | |
| tavense (Ley ex W.R. Linton) Ley | |
| tenuifrons P.D. Sell & C. West | |
| trichocaulon (Dahlst.) Johanss. | |
| triviale Norrl. | |
| uiginskyense Pugsley | |
| uistense (Pugsley) P.D. Sell & C. West | |
| uisticola Pugsley | |
| umbellatum L. | |
| umbellatum L. subsp. bichlorophyllum (Druce & Zahn) P.D. Sell & C. West | |
| umbellatum L. subsp. umbellatum | |
| vagense (F. Hanb.) Ley | |
| vagum Jord. | |
| variifolium P.D. Sell & C. West | |
| vennicontium Pugsley | |
| villosum Jacq. | |
| vinicaule P.D. Sell & C. West | |
| virgultorum Jord. | |
| vulgatum Fr. | |
| westii P.D. Sell | |
| zetlandicum Beeby | |
| zygophorum Hyl. | |