In Great Britain and/or Ireland:
Foodplant / feeds on
Alophus triguttatus feeds on Plantago lanceolata
Other: major host/prey
Foodplant / spot causer
amphigenous colony of Cercospora dematiaceous anamorph of Cercospora plantaginis causes spots on live leaf of Plantago lanceolata
Remarks: season: 3
Foodplant / open feeder
imago of Chrysolina banksi grazes on leaf of Plantago lanceolata
Remarks: season: 5-6,9-10
Foodplant / open feeder
adult of Chrysolina haemoptera grazes on leaf of Plantago lanceolata
Foodplant / open feeder
adult of Chrysolina staphylaea grazes on live leaf of Plantago lanceolata
Remarks: season: early 7-late 10,4-
Foodplant / gall
Ditylenchus dipsaci causes gall of live leaf of Plantago lanceolata
Foodplant / gall
Galled inflorescence of Plantago lanceolata causes gall of inflorescence of Plantago lanceolata
Foodplant / feeds on
Gymnetron labile feeds on Plantago lanceolata
Foodplant / feeds on
Gymnetron pascuorum feeds on Plantago lanceolata
Foodplant / saprobe
immersed, sometimes becoming free pseudothecium of Leptospora rubella is saprobic on dead stem of Plantago lanceolata
Remarks: season: 4-8
Foodplant / feeds on
Mecinus circulatus feeds on Plantago lanceolata
Other: major host/prey
Foodplant / feeds on
Mecinus pyraster feeds on Plantago lanceolata
Other: major host/prey
Foodplant / parasite
erumpent, sessile apothecium of Mollisia plantaginis parasitises fading leaf of Plantago lanceolata
Remarks: season: (10-)2-3(-7)
Foodplant / spot causer
sporangium of Peronospora alta causes spots on live Plantago lanceolata
Remarks: season: 7-8
Other: unusual host/prey
Foodplant / saprobe
erumpent, linearly arranged pycnidium of Phoma coelomycetous anamorph of Phoma polygramma is saprobic on dead petiole of Plantago lanceolata
Remarks: season: 2-3
Foodplant / saprobe
immersed under blackish-brown epidermis pycnidium of Phomopsis coelomycetous anamorph of Phomopsis subordinaria is saprobic on dead stem (upper part) of Plantago lanceolata
Remarks: season: 6-11
Foodplant / miner
larva of Phytomyza plantaginis mines leaf of Plantago lanceolata
Other: major host/prey
Foodplant / saprobe
scattered, sessile apothecium of Pirottaea plantaginis is saprobic on stem of Plantago lanceolata
Remarks: season: 6
Foodplant / saprobe
colony of Stemphylium dematiaceous anamorph of Pleospora herbarum is saprobic on dead stem of Plantago lanceolata
Foodplant / parasite
cleistothecium of Podosphaera plantaginis parasitises live Plantago lanceolata
Remarks: season: 8-10
Foodplant / spot causer
amphigenous colony of Ramularia anamorph of Ramularia rhabdospora causes spots on live leaf of Plantago lanceolata
Remarks: season: 3-10
Foodplant / saprobe
scattered, immersed the raising and piercing, black pycnidium of Rhabdospora coelomycetous anamorph of Rhabdospora pachyderma is saprobic on dead, dry, locally cinereous stem of Plantago lanceolata
Foodplant / spot causer
epiphyllous, covered then erumpent pycnidium of Septoria coelomycetous anamorph of Septoria plantaginea causes spots on fading leaf of Plantago lanceolata
Remarks: season: 10
Foodplant / spot causer
minute, covered pycnidium of Septoria coelomycetous anamorph of Septoria plantaginis causes spots on fading leaf of Plantago lanceolata
Foodplant / saprobe
stromatic strand of Spilopodia nervisequa is saprobic on dead often frayed leaf (vein) of Plantago lanceolata
Remarks: season: 2-4
Foodplant / gall
Synchytrium erieum causes gall of live leaf of Plantago lanceolata
Foodplant / open feeder
nocturnal larva of Tenthredo obsoleta grazes on leaf of Plantago lanceolata
Other: sole host/prey
Plant / associate
fruitbody of Thanatephorus sterigmaticus is associated with leaf of Plantago lanceolata
Other: major host/prey
Foodplant / feeds on
larva of Thrips nigropilosus feeds on live Plantago lanceolata
Remarks: season: 5-9
Foodplant / feeds on
Trichosirocalus rufulus feeds on Plantago lanceolata
Foodplant / feeds on
Trichosirocalus troglodytes feeds on Plantago lanceolata