BioImages: The Virtual Field-Guide (UK)

Lactuceae (“dandelions”)

Subtaxa (ie subgroups of this Tribe)

Cicerbita alpina (L.) Wallr. (Alpine Blue Sow-thistle, Alpine Blue-sow-thistle) Species 1 ident refs
Crepis paludosa (L.) Moench (Marsh Hawk's-beard)
Plant - in situ
Species  
Crepis vesicaria L. (Beaked Hawk's-beard) Species  
Crepis vesicaria subsp. taraxacifolia (Thuill.) Thell. ex Schinz & R. Keller (Beaked Hawk’S-beard)
11E27B_1
Subspecies  
Hieracium L. (hawkweeds)
Hieracium anglicum (English Hawkweed), eg: Hieracium anglicum (English Hawkweed) - Plant on limestone cliff Hieracium maculatum (a hawkweed), eg: Hieracium maculatum (a hawkweed) - Plant Hieracium sect. Hieracium (a group of hawkweeds), eg: Unidentified Hieracium sect. Hieracium (Unidentified Hieracium Sect. Hieracium Hawkweeds) - Basal leaf - in situ
Genus 4 ident refs
Hypochaeris glabra L. (Smooth Cat's-ear)
Flowering plant
Species  
Hypochaeris maculata L. (Spotted Cat's-ear)
Plant - in situ
Species  
Hypochaeris radicata L. (Cat’S Ear, Cat's-ear)
Plant
Species  
Lactuca L. (lettuces)
Lactuca sativa (Garden Lettuce), eg: Lactuca sativa (Garden Lettuce) - Ornamental planting - detail Lactuca serriola (Prickly Lettuce), eg: Lactuca serriola (Prickly Lettuce) - Lower cauline leaves Lactuca virosa (Greater Lettuce, Great Lettuce), eg: Lactuca virosa (Greater Lettuce, Great Lettuce) - Leaf base - face view
Genus 3 ident refs
Lapsana communis L. (Nipplewort)
Lapsana communis subsp. communis (Nipplewort), eg: Lapsana communis subsp. communis (Nipplewort) - Capitula - fruit and flower - top view
Species  
Leontodon hispidus L. (Rough Hawkbit)
Leontodon hispidus var. hispidus (Rough Hawkbit), eg: Leontodon hispidus var. hispidus (Rough Hawkbit) - Plant
Species  
Leontodon saxatilis Lam. (Lesser Hawkbit)
Plant
Species  
Mycelis muralis (L.) Dumort. (Wall Lettuce)
Capitulum - lateral view
Species  
Picris echioides L. (Bristly Ox-tongue)
Plant - in situ
Species  
Picris hieracioides L. (Hawkweed Ox-tongue)
Plant - in situ
Species  
Pilosella aurantiaca agg. (fox and cubs's) Species aggregate  
Pilosella aurantiaca (L.) F.W. Schultz & Sch. Bip. (Fox-and-cubs)
Plant
Species  
Pilosella flagellaris (Willd.) P.D. Sell & C. West (Shetland Mouse-ear-hawkweed) Species  
Pilosella flagellaris subsp. flagellaris (Willd.) P.D. Sell & C. West (a Shetland mouse-ear-hawkweed)
Flower heads - side view
Subspecies  
Pilosella officinarum F.W. Schultz & Sch. Bip. (Mouse-ear Hawkweed, Mouse-ear-hawkweed)
Leaf - young (just unrolling) - tip
Species  
Scorzonera humilis L. (Viper's-grass)
Capitulum - oblique side view
Species  
Sonchus arvensis L. (Perennial Milk-thistle, Perennial Sow-thistle)
Flower heads
Species  
Sonchus asper (L.) Hill (Prickly Sow-thistle)
Plant
Species  
Sonchus oleraceus L. (Smooth Sow-thistle)
Leaf - cauline
Species  
Taraxacum F.H. Wigg. (dandelions)
Unidentified Taraxacum (Unidentified Dandelions), eg: Unidentified Taraxacum (Unidentified Dandelions) - Plant with very narrow leaf segments
Genus 2 ident refs
Tragopogon porrifolius L. (Salsify) Species  
Tragopogon porrifolius subsp. porrifolius L. (Salsify)
Plant against railings
Subspecies  
Tragopogon pratensis L. (Goat’S-beard, Jack-go-to-bed-at-noon)
Tragopogon pratensis subsp. minor (a goat's-beard), eg: Tragopogon pratensis subsp. minor (a goat's-beard) - Plant
Species  

Suggested Literature

Identification Works

Common yellow-flowered ligulate composites: http://www.wildlifebcnp.org/ecology-resources.htm (yellow-flowered ligulate species) Common yellow-flowered ligulate composites
Poland, J., 2005 (Milk present) Milk matters - the importance of latex in vegetative identification

BioInfo BioInfo (www.bioinfo.org.uk) has 3 general literature references to Lactuceae (“dandelions”)

Lactuceae may also be covered by literature listed under:

BIOTA
(living things)
Eukaryota
(eukaryotes)
PLANTAE
(plants)
TRACHEOPHYTA
(vascular plants)
MAGNOLIOPSIDA
(flowering plants)
ASTERACEAE
(daisies, dandelions and thistles, composite)

BioInfo BioInfo (www.bioinfo.org.uk) has 564 feeding and other relationships of Lactuceae (“dandelions”)

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