Brome

Foodplant / miner
solitary larva of Agromyza rondensis mines leaf of Bromus

Foodplant / saprobe
apothecium of Albotricha albotestacea is saprobic on dead stem of Bromus
Remarks: season: 2-8

Foodplant / saprobe
colony of Arthrinium dematiaceous anamorph of Arthrinium phaeospermum is saprobic on dead stem of Bromus
Remarks: season: esp. 7-8

Foodplant / parasite
cleistothecium of Blumeria graminis parasitises live sheath of Bromus
Remarks: season: 7-10

Foodplant / internal feeder
larva of Cephus pygmeus feeds within stem of Bromus

Plant / resting place / within
puparium of Cerodontha pygmaea may be found in leaf-mine of Bromus
Other: major host/prey

Foodplant / parasite
Sphacelia anamorph of Claviceps purpurea parasitises inflorescence of Bromus
Remarks: season: 7

In Great Britain and/or Ireland:
Foodplant / feeds on
pycnidium of Ascochyta coelomycetous anamorph of Didymella phleina feeds on Bromus

Plant / resting place / on
puparium of Liriomyza flaveola may be found on leaf of Bromus
Other: major host/prey

Foodplant / spot causer
crowded, arranged in rows or scattered, immersed, minute, fuscous pycnidium of Septoria coelomycetous anamorph of Mycosphaerella graminicola causes spots on live leaf of Bromus
Remarks: season: summer

Foodplant / saprobe
immersed pycnidial anamorph of Ophiosphaerella herpotricha is saprobic on stem internode (basal) of Bromus
Remarks: season: 3-7
Other: minor host/prey

Foodplant / saprobe
superficial conidioma of Dinemasporium coelomycetous anamorph of Phomatospora dinemasporium is saprobic on dead sheath of Bromus
Remarks: season: 1-12

Foodplant / spot causer
immersed, crowded or in rows pycnidium of Pseudoseptoria coelomycetous anamorph of Pseudoseptoria donacis causes spots on sheath of Bromus
Remarks: season: 5-7

Foodplant / spot causer
linear, long covered by epidermis telium of Puccinia striiformis var. striiformis causes spots on live inflorescence of Bromus

Foodplant / spot causer
Drechslera dematiaceous anamorph of Pyrenophora bromi causes spots on live leaf of Bromus

Foodplant / saprobe
scattered or in small groups, immersed pseudothecium of Pyrenophora tritici-repentis is saprobic on dead sheath of Bromus

Foodplant / spot causer
immersed stromatic of Rhynchosporium coelomycetous anamorph of Rhynchosporium secalis causes spots on live sheath of Bromus

Foodplant / spot causer
amphigenous, numerous, black pycnidium of Septoria coelomycetous anamorph of Septoria bromi causes spots on fading leaf of Bromus
Remarks: season: 6-9

Foodplant / pathogen
immersed stroma of Pseudocercosporella dematiaceous anamorph of Tapesia yallundae infects and damages live stem of Bromus

Foodplant / parasite
sorus of Ustilago bullata parasitises live spikelet of Bromus