Hemp Agrimony

Foodplant / gall
larva of Adaina microdactyla causes gall of stem of Eupatorium cannabinum

Foodplant / saprobe
apothecium of Allophylaria subliciformis is saprobic on dead stem of Eupatorium cannabinum

Foodplant / saprobe
immersed, clypeate perithecium of Anthostomella tomicoides is saprobic on dead stem of Eupatorium cannabinum
Other: minor host/prey

Plant / resting place / on
puparium of Calycomyza artemisiae may be found on leaf of Eupatorium cannabinum

In Great Britain and/or Ireland:
Foodplant / saprobe
effuse colony of Chalara dematiaceous anamorph of Chalara urceolata is saprobic on dead stem of Eupatorium cannabinum

Foodplant / saprobe
effuse colony of Chromelosporium anamorph of Chromelosporium ochraceum is saprobic on dead stem of Eupatorium cannabinum

Foodplant / saprobe
apothecium of Crocicreas cyathoideum var. cyathoideum is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 3-10

Foodplant / saprobe
effuse colony of Cylindrotrichum dematiaceous anamorph of Cylindrotrichum oligospermum is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 4-9

Plant / resting place / on
Dendrothrips saltator may be found on live Eupatorium cannabinum

Foodplant / saprobe
effuse colony of Fusariella dematiaceous anamorph of Fusariella sarniensis is saprobic on dead stem of Eupatorium cannabinum

Foodplant / parasite
Golovinomyces cichoracearum parasitises live Eupatorium cannabinum

Foodplant / saprobe
apothecium of Hyalopeziza millepunctata is saprobic on dead, standing stem (near base) of Eupatorium cannabinum
Remarks: season: 10-6

Foodplant / saprobe
apothecium of Hymenoscyphus repandus is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 5-10

Foodplant / saprobe
fruitbody of Lachnella villosa is saprobic on dead, decayed stem of Eupatorium cannabinum

Foodplant / saprobe
sessile apothecium of Lasiobelonium nidulum is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 5-6
Other: major host/prey

Foodplant / saprobe
immersed pseudothecium of Leptosphaeria agnita is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 5-7

Foodplant / saprobe
immersed pseudothecium of Leptosphaeria haematites is saprobic on dead, red stained stem of Eupatorium cannabinum

Foodplant / saprobe
immersed, sometimes becoming free pseudothecium of Leptospora rubella is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 4-8

Foodplant / saprobe
clustered or linear conidioma of Leptostroma coelomycetous anamorph of Leptostroma eupatorii is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 4-5

Plant / resting place / within
puparium of Liriomyza eupatoriana may be found in leaf-mine of Eupatorium cannabinum
Other: sole host/prey

Foodplant / miner
larva of Liriomyza eupatorii mines leaf of Eupatorium cannabinum
Other: major host/prey

Foodplant / miner
larva of Liriomyza strigata mines leaf of Eupatorium cannabinum

Foodplant / open feeder
adult of Longitarsus aeruginosus grazes on leaf of Eupatorium cannabinum

Foodplant / open feeder
adult of Longitarsus succineus grazes on leaf of Eupatorium cannabinum

Plant / resting place / within
puparium of Melanagromyza eupatorii may be found in stem of Eupatorium cannabinum

Foodplant / saprobe
immersed or erumpent perithecium of Melomastia mastoidea is saprobic on dead stem of Eupatorium cannabinum

Foodplant / saprobe
sessile apothecium of Mollisia coerulans is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 4-6
Other: major host/prey

Plant / associate
mycelial muff of Morchella esculenta is associated with live root of Eupatorium cannabinum
Other: unusual host/prey

Foodplant / saprobe
sessile sporodochium of Myrothecium dematiaceous anamorph of Myrothecium carmichaelii is saprobic on dead stem of Eupatorium cannabinum

Foodplant / saprobe
superficial, scattered on in small groups, thinly subiculate perithecium of Nectria ellisii is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 5-12

Foodplant / saprobe
superficial perithecium of Nectria pseudopeziza is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 9-4

Foodplant / saprobe
pycnidium of Phomopsis coelomycetous anamorph of Phomopsis eupatoriicola is saprobic on dead, old stem of Eupatorium cannabinum
Remarks: season: 6

Foodplant / spot causer
scattered, epiphyllous pycnidium of Phyllosticta coelomycetous anamorph of Phyllosticta eupatorii causes spots on fading leaf of Eupatorium cannabinum
Remarks: season: 8

Foodplant / miner
larva of Phytomyza eupatorii mines leaf of Eupatorium cannabinum
Other: sole host/prey

Foodplant / spot causer
pycnidium of Septoria coelomycetous anamorph of Septoria eupatorii causes spots on fading leaf of Eupatorium cannabinum

Foodplant / saprobe
effuse colony of Sporidesmium dematiaceous anamorph of Sporidesmium cookei is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 9-5

Foodplant / saprobe
effuse colony of Sporidesmium dematiaceous anamorph of Sporidesmium eupatoriicola is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 3-10

Foodplant / saprobe
colony of Stachybotrys dematiaceous anamorph of Stachybotrys dichroa is saprobic on dead stem of Eupatorium cannabinum
Remarks: season: 4-9

Foodplant / saprobe
sunken apothecium of Stictis stellata is saprobic on dead stem (woody) of Eupatorium cannabinum
Remarks: season: 10-5

Foodplant / internal feeder
larva of Trupanea stellata feeds within capitulum of Eupatorium cannabinum
Remarks: Other: uncertain

Foodplant / miner
larva of Trypeta artemisiae mines leaf of Eupatorium cannabinum

Foodplant / miner
larva of Trypeta zoe mines leaf of Eupatorium cannabinum

Foodplant / miner
larva of Vidalia cornuta mines leaf of Eupatorium cannabinum
Other: sole host/prey