| Stage |
|
Summary |
|
|
Taxon |
Vernacular |
Classification |
References |
Darwin Classification of Active Taxon |
Active Taxon |
Active Vernacular |
Active Taxon Uncertain |
Active State |
Active Part |
Active Stage |
Relationship |
Relationship Uncertain |
Relationship Geography |
Darwin Classification of Passive Taxon |
Passive Taxon |
Passive Vernacular |
Passive Taxon Uncertain |
Passive State |
Passive Part |
Passive Stage |
Passive Taxon's significance to Active Taxon |
Indoors etc |
Season |
| sporangium |
|
sporangium parasitises live leaf |
 |
|
ASTERACEAE |
daisies, dandelions and thistles, composite |
Asterales |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/ | Asteraceae | daisies, dandelions and thistles, composite | | live | leaf | | Sole |
| (9-10) |
| sporangium |
|
sporangium parasitises live leaf |
  |
|
Glebionis segetum |
Corn Marigold |
Asterales: Asteraceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Glebionis segetum/ | Glebionis segetum | corn marigold | | live | leaf | | Rare |
| (9-10) |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Gaillardia cv Mesa |
a blanket-flower |
Asterales: Asteraceae |
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Gaillardia cv Mesa/ | Gaillardia cv Mesa | a blanket-flower | | live | leaf | | |
| (5) |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Gaillardia aristata |
Blanket-flower |
Asterales: Asteraceae |
British Parasitic Fungi, Moore, W.C., 1959
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Gaillardia aristata/ | Gaillardia aristata | blanket-flower | | live | leaf | | |
| (9-10) |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Gaillardia aristata x pulchella = G. x grandiflora |
blanket-flower |
Asterales: Asteraceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
British Parasitic Fungi, Moore, W.C., 1959
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Gaillardia aristata x pulchella = G. x grandiflora/ | Gaillardia aristata x pulchella = G. x grandiflora | blanket-flower | | live | leaf | | |
| (9-10) |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Helichrysum |
everlastingflowers |
Asterales: Asteraceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
British Parasitic Fungi, Moore, W.C., 1959
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Helichrysum/ | Helichrysum | everlastingflowers | | live | leaf | | |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Doronicum |
leopard’s banes |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Doronicum/ | Doronicum | leopard's banes | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Pericallis x hybrida |
cineraria |
Asterales: Asteraceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
British Parasitic Fungi, Moore, W.C., 1959
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Pericallis x hybrida/ | Pericallis x hybrida | cineraria | | live | leaf | | Rare |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Senecio aquaticus |
Marsh Ragwort |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio aquaticus/ | Senecio aquaticus | marsh ragwort | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Senecio elegans |
Redpurple Ragwort, Purple Groundsel |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio elegans/ | Senecio elegans | redpurple ragwort, purple groundsel | | live | leaf | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Senecio jacobaea |
Common Ragwort |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio jacobaea/ | Senecio jacobaea | common ragwort | | live | leaf | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Senecio sylvaticus |
Heath Groundsel |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio sylvaticus/ | Senecio sylvaticus | heath groundsel | | live | leaf | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
 |
|
Senecio vulgaris |
Groundsel |
Asterales: Asteraceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Senecio vulgaris/ | Senecio vulgaris | groundsel | | live | leaf | | Major |
| (9-10) |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Arctium lappa |
Greater Burdock |
Asterales: Asteraceae |
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Arctium lappa/ | Arctium lappa | greater burdock | | live | leaf | | |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Arctium minus |
Lesser Burdock |
Asterales: Asteraceae |
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Arctium minus/ | Arctium minus | lesser burdock | | live | leaf | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Arctium tomentosum |
Woolly Burdock |
Asterales: Asteraceae |
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Arctium tomentosum/ | Arctium tomentosum | woolly burdock | | live | leaf | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Carduus crispus ssp multiflorus |
Broad-winged Thistle |
Asterales: Asteraceae |
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Carduus crispus subsp. multiflorus/ | Carduus crispus subsp. multiflorus | broad-winged thistle | | live | leaf | | |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Centaurea |
knapweeds and star-thistles |
Asterales: Asteraceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea/ | Centaurea | knapweeds and star-thistles | | live | leaf | | Rare |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Centaurea cyanus |
Cornflower |
Asterales: Asteraceae |
British Parasitic Fungi, Moore, W.C., 1959
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea cyanus/ | Centaurea cyanus | cornflower | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
 |
|
Centaurea nigra |
Common Knapweed, Lesser Knapweed, Hardheads |
Asterales: Asteraceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea nigra/ | Centaurea nigra | common knapweed, lesser knapweed, hardheads | | live | leaf | | Minor |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Centaurea scabiosa |
Greater Knapweed |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Centaurea scabiosa/ | Centaurea scabiosa | greater knapweed | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Cirsium arvense |
Creeping Thistle |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Cirsium arvense/ | Cirsium arvense | creeping thistle | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Cirsium palustre |
Marsh Thistle |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Cirsium palustre/ | Cirsium palustre | marsh thistle | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Cirsium vulgare |
Spear Thistle |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Cirsium vulgare/ | Cirsium vulgare | spear thistle | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Cynara scolymus |
Globe Artichoke |
Asterales: Asteraceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
British Parasitic Fungi, Moore, W.C., 1959
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Cynara scolymus/ | Cynara scolymus | globe artichoke | | live | leaf | | Rare |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Crepis capillaris |
Smooth Hawk’S-beard |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Crepis capillaris/ | Crepis capillaris | smooth hawk’s-beard | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Crepis paludosa |
Marsh Hawk’s-beard |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Crepis paludosa/ | Crepis paludosa | marsh hawk's-beard | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Crepis vesicaria ssp taraxacifolia |
Beaked Hawk’S-beard |
Asterales: Asteraceae |
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Crepis vesicaria subsp. taraxacifolia/ | Crepis vesicaria subsp. taraxacifolia | beaked hawk’s-beard | | live | leaf | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Hieracium |
hawkweeds |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Hieracium/ | Hieracium | hawkweeds | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Hypochaeris maculata |
Spotted Cat’s-ear |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Hypochaeris maculata/ | Hypochaeris maculata | spotted cat's-ear | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Hypochaeris radicata |
Cat’S Ear, Cat’s-ear |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Hypochaeris radicata/ | Hypochaeris radicata | cat’s ear, cat's-ear | | live | | | Rare |
| |
| sporangium (mostly hypophyllous) |
|
mostly hypophyllous colony of sporangium causes spots on live, mainly outer leaf |
 |
|
Lactuca sativa |
Garden Lettuce |
Asterales: Asteraceae |
Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
British Parasitic Fungi, Moore, W.C., 1959
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | mostly hypophyllous | colony | sporangium |
Foodplant / spot causer | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Lactuca sativa/ | Lactuca sativa | garden lettuce | | live, mainly outer | leaf | | Major |
Indoors, in greenhouse, captivity, culture or experimentally induced | (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Lactuca serriola |
Prickly Lettuce |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Lactuca serriola/ | Lactuca serriola | prickly lettuce | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Lapsana communis |
Nipplewort |
Asterales: Asteraceae |
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Lapsana communis/ | Lapsana communis | nipplewort | | live | | | Minor |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Mycelis muralis |
Wall Lettuce |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Mycelis muralis/ | Mycelis muralis | wall lettuce | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live |
|
|
Picris |
ox-tongues |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Picris/ | Picris | ox-tongues | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Sonchus arvensis |
Perennial Milk-thistle, Perennial Sow-thistle |
Asterales: Asteraceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Sonchus arvensis/ | Sonchus arvensis | perennial milk-thistle, perennial sow-thistle | | live | leaf | | Rare |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Sonchus asper |
Prickly Sow-thistle |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Sonchus asper/ | Sonchus asper | prickly sow-thistle | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Sonchus oleraceus |
Smooth Sow-thistle |
Asterales: Asteraceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
New British hosts for the downy mildew Bremia lactucae, Legon, N. & Spooner, B., 2015
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Sonchus oleraceus/ | Sonchus oleraceus | smooth sow-thistle | | live | leaf | | Minor |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Taraxacum officinale agg. |
dandelion |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Taraxacum officinale agg./ | Taraxacum officinale agg. | dandelion | | live | | | Rare |
| |
| sporangium |
|
sporangium parasitises live leaf |
|
|
Tragopogon pratensis ssp minor |
a goat’s-beard |
Asterales: Asteraceae |
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Tragopogon pratensis subsp. minor/ | Tragopogon pratensis subsp. minor | a goat's-beard | | live | leaf | | Rare |
| (9-10) |
| sporangium |
|
sporangium parasitises live |
|
|
Scorzoneroides autumnalis |
Autumnal Hawkbit, Autumn Hawkbit |
Asterales: Asteraceae |
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
|
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Bremia lactucae/ | Bremia lactucae | lettuce downy mildew | | | | sporangium |
Foodplant / parasite | | UK and/or Eire |
/Plantae/Tracheophyta/Magnoliopsida/Asterales/Asteraceae/Scorzoneroides autumnalis/ | Scorzoneroides autumnalis | autumnal hawkbit, autumn hawkbit | | live | | | Rare |
| |
NBN (data.nbn.org.uk)
has a distribution map for Bremia lactucae (Lettuce Downy Mildew)
