Crepis biennis Linnaeus 1753 (Family Asteraceae)
Height: 30-120cm
Arbuscular Mycorrhizal
Annual
Hermaphrodite, Flowering June - July
(Earliest: 19.5)
Protective Chemicals |
Sesquiterpenoids |
Ixerin |
Flavonoids |
Luteolin |
Other Phenolics |
Caffeic Acid |
Phthalates |
Dibutyl Phthalate |
Biotopes: |
Meadows |
Flower Visitors: |
Andrena angustior |
Bombus lapidarius |
Several Syrphidae |
Anthomyia liturata |
Seed Dispersal: |
Wind |
Parasites: |
Golovinomyces cichoracearum |
Podosphaera fusca |
Synchytrium taraxaci |
Ensina sonchi Larva (Flower Gall) |
|
Several Agromyzidae |
Possible Parasites: |
Cheilosia latifrons Larva (Root & Stem Borer) |
Ophiomyia pulicaria Larva (Leaf Miner) |
Possible Herbivores: |
Several Tortricidae |
Sapivores: |
Uroleucon cichorii |
Uroleucon hypochoeridis |
Ecological Flora of the British Isles
Pictures © 2003, 2005, 2007, 2009, 2011 J.K. Lindsey
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Ecology of Commanster