BioImages: The Virtual Field-Guide (UK)

Holcus (soft-grasses)

Subtaxa

Rank Taxon #photos #macrophotos #webs
Species Holcus lanatus L. (Yorkshire-fog) 2 16 31
Species Holcus mollis L. (Creeping Soft-grass)     13

Suggested Literature

Holcus may be covered by literature listed under:

BIOTA
(living things)
Eukaryota
(eukaryotes)
PLANTAE
(plants)
SPERMATOPHYTA
(vascular plants)
MAGNOLIOPSIDA
(flowering plants)
LILIIDAE
(monocotyledonous flowering plants)
POACEAE
(grasses - formerly Graminae)

Feeding and other inter-species relationships

Associated with Holcus:

inflorescence (dead) dead inflorescence is decayed by colony of Drechslera dematiaceous anamorph Drechslera dematioidea - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) Ellis, M.B. & J.P., 1997
inflorescence (live) live inflorescence may be infected and damaged by pycnidium of Dilophospora coelomycetous anamorph Lidophia graminis - Twist (Dothideales) Ellis, M.B. & J.P., 1997
Photos inflorescence inflorescence is parasitised by Sphacelia anamorph Claviceps purpurea - Ergot (Hypocreales: Clavicipitaceae) Ellis, M.B. & J.P., 1997
Photos inflorescence inflorescence may be infected and damaged by sclerotium Claviceps purpurea - Ergot (Hypocreales: Clavicipitaceae) Ellis, M.B. & J.P., 1997
leaf (basal) (live) live leaf (basal) is parasitised by cleistothecium Blumeria graminis - Grass Mildew (Erysiphales: Erysiphaceae) Ellis, M.B. & J.P., 1997
leaf (dead) dead leaf is decayed by colony of Drechslera dematiaceous anamorph Drechslera dematioidea - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) Ellis, M.B. & J.P., 1997
leaf (dead) dead leaf is decayed by confluent colony of Pithomyces dematiaceous anamorph Pithomyces chartarum - a dematiaceous anamorphic fungus (Pleosporales: Pleosporaceae) Ellis, M.B. & J.P., 1997
leaf (dead) dead leaf is decayed by apothecium Albotricha albotestacea - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
leaf (dead) dead leaf is decayed by apothecium Lachnum carneolum var. longisporum - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
leaf (dead) dead leaf is decayed by apothecium Psilachnum eburneum - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
leaf (dead) dead leaf is decayed by numerous, often confluent pycnothyrium of Actinothyrium coelomycetous anamorph Lophodermium apiculatum - an ascomycete fungus (Rhytismatales: Rhytismataceae) Ellis, M.B. & J.P., 1997
leaf (dead) dead leaf is decayed by effuse colony of Periconia dematiaceous anamorph Periconia minutissima - a dematiaceous anamorphic fungus Ellis, M.B. & J.P., 1997
leaf (live) live leaf is parasitised by effuse, mainly epiphyllous colony of Oidium anamorph Blumeria graminis - Grass Mildew (Erysiphales: Erysiphaceae) Ellis, M.B. & J.P., 1997
leaf (live) live leaf may be infected and damaged by immersed, often in rows between veins pycnidium of Dilophospora coelomycetous anamorph Lidophia graminis - Twist (Dothideales) Ellis, M.B. & J.P., 1997 [There is often stromatic tissue between rows of pycnidia. Causes a die back from the tips.]
leaf (live, blistered) live, blistered leaf is spotted by long, linear, erumpent sorus Ustilago striiformis - a stripe smut of grasses (Ustilaginales: Ustilaginaceae) Ellis, M.B. & J.P., 1997
leaf (outside mine) leaf (outside mine) may have puparium Agromyza nigripes - a leaf-mining fly (Diptera: Agromyzidae) Spencer, K.A., 1972
leaf-mine leaf-mine may house puparium Chromatomyia nigra - a leaf-mining fly (Diptera: Agromyzidae) Spencer, K.A., 1972 [anterior spiracles projecting through the epidermis]
leaf leaf is mined by larva Agromyza nigrella - a leaf-mining fly (Diptera: Agromyzidae) Spencer, K.A., 1972
leaf leaf is mined by solitary larva Agromyza nigripes - a leaf-mining fly (Diptera: Agromyzidae) Spencer, K.A., 1972
leaf leaf is mined by larva Chromatomyia nigra - a leaf-mining fly (Diptera: Agromyzidae) Spencer, K.A., 1972 [mine long, narrow, whitish]
leaf leaf is mined by larva Liriomyza flaveola - a leaf-mining fly (Diptera: Agromyzidae) Major Spencer, K.A., 1972 [narrow whitish linear mine]
leaf leaf may have puparium Liriomyza flaveola - a leaf-mining fly (Diptera: Agromyzidae) Major Spencer, K.A., 1972
sheath (live) live sheath is parasitised by cleistothecium Blumeria graminis - Grass Mildew (Erysiphales: Erysiphaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by scattered, initially immersed pseudothecium Leptosphaeria culmifraga - an ascomycete (Pleosporales: Leptosphaeriaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by pycnidium of Hendersonia coelomycetous anamorph Phaeosphaeria vagans - an ascomycete (Pleosporales: Phaeosphaeriaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by pseudothecium Phaeosphaeria vagans - an ascomycete (Pleosporales: Phaeosphaeriaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by apothecium Albotricha albotestacea - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
Photos stem (dead) dead stem is decayed by apothecium Lachnum controversum - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by apothecium Lachnum tenuissimum - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by apothecium Psilachnum eburneum - a discomycete (Helotiales: Hyaloscyphaceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by numerous, often confluent pycnothyrium of Actinothyrium coelomycetous anamorph Lophodermium apiculatum - an ascomycete fungus (Rhytismatales: Rhytismataceae) Ellis, M.B. & J.P., 1997
stem (dead) dead stem is decayed by effuse colony of Periconia dematiaceous anamorph Periconia minutissima - a dematiaceous anamorphic fungus Ellis, M.B. & J.P., 1997
stem internode (basal) stem internode (basal) is decayed by immersed pseudothecium Ophiosphaerella herpotricha - an ascomycete (Pleosporales: Phaeosphaeriaceae) Ellis, M.B. & J.P., 1997
stem internode (basal) stem internode (basal) is decayed by immersed pycnidial anamorph Ophiosphaerella herpotricha - an ascomycete (Pleosporales: Phaeosphaeriaceae) Minor Ellis, M.B. & J.P., 1997
Photos stem stem is galled by stroma Epichloë - chokes (Hypocreales: Clavicipitaceae) Ellis, M.B. & J.P., 1997

Holcus may be associated with more taxa listed at higher taxonomic level

MAGNOLIOPSIDA
(flowering plants)
LILIIDAE
(monocotyledonous flowering plants)
POACEAE
(grasses - formerly Graminae)

References

Ellis, M.B. & J.P., 1997 Microfungi on Land Plants: An Identification Handbook
Spencer, K.A., 1972 Diptera: Agromyzidae

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