Pictorial guide to the flora of the British Isles

Comprising:

• Hieracium adelphicum P. D. Sell – Glamorganshire hawkweed
• Hieracium aggregatum Backh. f. – aggregate-headed hawkweed
• Hieracium anguinum (W. R. Linton) Roffey – snake-headed hawkweed
• Hieracium armadalense P. D. Sell – Armadale hawkweed
• Hieracium asteridiophyllum P. D. Sell & C. West – star-haired hawkweed
• Hieracium aterrimum Hyl. – patent-toothed hawkweed
• Hieracium auratiflorum Pugsley – dark-flowered hawkweed
• Hieracium baliophyllum Dahlst. ex Hyl. – Oxford hawkweed
• Hieracium benhopense McCosh – Ben Hope hawkweed
• Hieracium boreoanglicum P. D. Sell – North England hawkweed
• Hieracium breadalbanense F. Hanb. – Breadalbane hawkweed
• Hieracium caesiomurorum Lindeb. – long-stalked hawkweed
• Hieracium caesitium Norrl. – Ribbleshead hawkweed
• Hieracium cambrense McCosh – Cambrian hawkweed
• Hieracium camptopetalum (F. Hanb.) P. D. Sell & C. West – short-flowered hawkweed
• Hieracium candelabrae W. R. Linton – candelabra hawkweed
• Hieracium cardiophyllum Jord. ex Sudre – heart-leaved hawkweed
• Hieracium cinderella (Ley) Ley – long-bracted hawkweed
• Hieracium clivicola (F. Hanb.) Pugsley – hill hawkweed
• Hieracium crebridens F. N. Williams – Chapel-le-Dale hawkweed
• Hieracium crebridentiforme Pugsley – close-toothed hawkweed
• Hieracium cuneifrons (Ley ex W. R. Linton) Pugsley – wedge-leaved hawkweed
• Hieracium cymbifolium Purchas – boat-leaved hawkweed
• Hieracium dipteroides Dahlst. – Aberfeldy hawkweed
• Hieracium discophyllum P. D. Sell & C. West – disc-leaved hawkweed
• Hieracium dowardense P. D. Sell – Doward hawkweed
• Hieracium duriceps F. Hanb. – hard-headed hawkweed
• Hieracium elevatum P. D. Sell – Taf Fechan hawkweed
• Hieracium elongatifolium P. D. Sell – elongate-leaved hawkweed
• Hieracium exotericum Jord. ex Boreau – Jordan’s hawkweed
• Hieracium firmiramum Hyl. – dense-branched hawkweed
• Hieracium gentile Jord. ex Boreau – foreign hawkweed
• Hieracium glevense (Pugsley) P. D. Sell & C. West – Gloucester hawkweed
• Hieracium gougetianum Gren. & Godr. – Gouget’s hawkweed
• Hieracium grandidens Dahlst. – grand-toothed hawkweed
• Hieracium grisedalense McCosh – trackway hawkweed
• Hieracium hjeltii Norrl. ex Saelan, Nyl. & F. Nyl. – Hjelt’s hawkweed
• Hieracium hortense Hyl. – garden hawkweed
• Hieracium inspissatum P. D. Sell – crass-leaved hawkweed
• Hieracium irregularidens P. D. Sell – blunt-toothed hawkweed
• Hieracium itunense Pugsley – Barras hawkweed
• Hieracium kentii P. D. Sell – Kent’s hawkweed
• Hieracium koehleri Dahlst. – Koehler’s hawkweed
• Hieracium liljeholmii Dahlst. – Liljeholm’s hawkweed
• Hieracium lintonii Ley – Linton’s hawkweed
• Hieracium maculoides P. D. Sell & C. West – small-spotted hawkweed
• Hieracium mariae P. D. Sell – McCallum Webster’s hawkweed
• Hieracium medium Jord. – Tavistock hawkweed
• Hieracium micracladium (F. N. Williams) Ley – small-headed hawkweed
• Hieracium microspilum (Jord. ex Sudre) A. W. Hill – minute-toothed hawkweed
• Hieracium monstrosum Hyl. – nipple-toothed hawkweed
• Hieracium mucronellum P. D. Sell & C. West – fleck-leaved hawkweed
• Hieracium neocoracinum Pugsley – Craig Gleisiad hawkweed
• Hieracium neosparsum (Zahn) P. D. Sell – bank hawkweed
• Hieracium oblongum Jord. – weedy hawkweed
• Hieracium oistophyllum Pugsley – sagittate-leaved hawkweed
• Hieracium onychodontum Hyl. – giant-toothed hawkweed
• Hieracium orcadense W. R. Linton – Orkney hawkweed
• Hieracium orithales E. F. Linton – short-stemmed hawkweed
• Hieracium pachyphylloides (Zahn) Roffey – Carboniferous hawkweed
• Hieracium patale Norrl. – Dartmoor hawkweed
• Hieracium pauculidens P. D. Sell & C. West – Skerray hawkweed
• Hieracium pellucidum Laest. – pellucid-leaved hawkweed
• Hieracium pictorum E. F. Linton – Picts hawkweed
• Hieracium piligerum (Pugsley) P. D. Sell & C. West – brindled hawkweed
• Hieracium pollinarioides Pugsley – calcareous hawkweed
• Hieracium pollinarium F. Hanb. – Naver hawkweed
• Hieracium protentum P. D. Sell – Meall Garbh hawkweed
• Hieracium pruinale (Zahn) P. D. Sell & C. West – pruinose hawkweed
• Hieracium pseudintegratum McCosh – toothless hawkweed
• Hieracium pseudosarcophyllum Pugsley – Dumfries hawkweed
• Hieracium pseudosevericeps McCosh – strict-headed hawkweed
• Hieracium quadridentatum Hyl. – four-toothed hawkweed
• Hieracium rivale F. Hanb. – Burnside hawkweed
• Hieracium ronasii P. D. Sell – Ronas Voe hawkweed
• Hieracium sanguineum (Ley) W. R. Linton – bloody hawkweed
• Hieracium scotostictum Hyl. – dappled hawkweed
• Hieracium seriflorum Hyl. – gigantic-toothed hawkweed
• Hieracium silvaticoides Pugsley – wood hawkweed
• Hieracium sinuolatum P. D. Sell – sinuate-toothed hawkweed
• Hieracium snowdoniense P. D. Sell & C. West – Snowdonia hawkweed
• Hieracium subaequialtum Hyl. – black-bracted hawkweed
• Hieracium subhirtum (F. Hanb.) Pugsley – hairy-headed hawkweed
• Hieracium sublepistoides (Zahn) Druce – grey-bracted hawkweed
• Hieracium subprasinifolium Pugsley – leek-coloured hawkweed
• Hieracium subtenue (W. R. Linton) Roffey – dark-bracted hawkweed
• Hieracium sylvivagum Jord. ex Boreau – wandering hawkweed
• Hieracium sylvularum Jord. ex Boreau – ample-toothed hawkweed
• Hieracium triangularifolium P. D. Sell – triangular-leaved hawkweed
• Hieracium uistense (Pugsley) P. D. Sell & C. West – island hawkweed
• Hieracium uisticola Pugsley – Uist hawkweed
• Hieracium variifolium P. D. Sell & C. West – various-leaved hawkweed
• Hieracium zygophorum Hyl. – Suffolk hawkweed

The various agamospecies in Hieracium sect. Hieracium have many basal leaves but very few stem-leaves. Lower Harford (VC33: East Gloucestershire); 2020-05-17
When in bud, the phyllaries are curved inwards in Hieracium sect. Hieracium, and have many white, stellate hairs at least along their margins. Lower Harford (VC33: East Gloucestershire); 2020-05-17
One of the more distinctive species is Hieracium scotostictum, with its darkly dappled leaves. Alderton (VC33: East Gloucestershire); 2019-06-17

All images copyright © Christopher J. Dixon unless otherwise indicated.