HURST PARK 15th and 17th August 2015 ‐ list of species observed along the riverbank between GARRICK’S AIT ‐ TAGG’S ISLAND

PLANTS Hirschfeldia incana common Acer negundo near tow path, car park area Hypericum perforatum local Acer platanoides young trees Hypericum x inodorum? Frequent along Acer pseudoplatanus trees & saplings along riverbank river bank Hypochaeris radicata near car park millefolium frequent Ilex aquifolium sapling Aesculus hippocastanum trees & saplings Impatiens glandulifera local by riverbank Agrimonia eupatoria a few Iris pseudacorus river bank, local Alliaria petiolata scattered Lactuca serriola near car park Allium vineale a few Lamium album occasional trees, riverbank Lathyrus pratensis frequent Anthriscus sylvestris scattered Ligustrum ovalifolium sapling on riverbank Arctium minus scattered Lolium pratense common scattered Lotus corniculatus occasional Arum maculatum few Lycopus europaeus local Ballota nigra fairly frequent Lythrum salicaria local Bellis perennis scattered Malus domestica small tree Betula pendula near tow path, car park area Malva moschata scarce, by river bank Buddleia davidii a few Malva sylvestris occasional Calystegia sepium sensu stricto frequent Medicago arabica scattered Capsella bursa‐pastoris scarce Medicago lupulina scattered Carex sp. (no flower spikes) river bank Melilotus sp. (no flowers, needs checking) Centaurea nigra frequent Odontites verna local Chenopodium album scattered Oenanthe crocata riverbank, local/frequent Cirsium arvense scattered Pentaglottis sempervirens scattered Cirsium vulgare scattered Persicaria aviculare frequent Convolvulus arvensis occasional Persicaria maculosa local, disturbed ground Conyza canadensis occasional Plantago coronopus frequent Cornus sanguinea a few by river Plantago lanceolata frequent Coronopus didymus scarce Plantago major frequent Corylus avellana river bank near car park Plantago media local Crataegus monogyna young trees Platanus x hispanica young tree, river bank Crepis capillaris scattered Poa annua frequent Dactylis glomerata common Populus tremula trees near car park Endymion x hispanicum scarce Potentilla anserina frequent Epilobium hirsutum frequent Potentilla reptans frequent Equisetum arvense river bank, local Prunus avium small tree Euonymus europaeus small tree Prunus cerasifera ‘pissardi’ sapling Filipendula ulmaria local Prunus spinosa sapling Fraxinus excelsior trees & saplings Quercus cerris young trees Galium verum locally freguent Quercus ilex young trees & saplings Geranium molle occasional Quercus robur a few Geranium pratense common Ranunculus acris ?frequent Gleditschia triacanthos near car park area Ranunculus repens ?frequent Hedera helix local, river bank mainly Rhamnus catharticus a few by riverbank Rosa sp. Erysiphe trifoliorum Lathyrus pratensis Rubus caesius few, river bank Erysiphe platani Platanus x hispanica Rubus fruticosus agg. frequent Erysiphe polygoni Persicaria aviculare Rumex hydrolapathum local, riverbank Erysiphe sordida Plantago major Rumex obtusifolius local Golovinomyces depressus Arctium minus Rumex sanguineus frequent mildew Salix ‘matsudana’ tortuosa trees by tow path Golovinomyces fischeri Senecio jacobaea near car park Golovinomyces montagnei Centaurea nigra Salix cinerea ssp. oleifolia occasional Golovinomyces sordidus Plantago major Salix fragilis trees, by & near river bank Phyllactinia fraxini Fraxinus Salix viminalis by car park area Podosphaera epilobii Epilobium hirsutum Salix x sepulcralis near car park area Podosphaera erigerontis‐canadensis Sambucus nigra scattered Taraxacum Senecio jacobaea occasional Podosphaera pannosa Rosa sp. frequent Podosphaera plantaginis P. lanceolata Sisymbrium officinale scarce Sawadaea tulasnei Acer platanoides Solanum nigrum on disturbed ground Solidago canadensis scattered OTHER FUNGI Tanacetum parthenium scattered Drepanopeziza sphaerioides (Marssonina Taraxacum officinale agg. frequent state) on Salix x sepulcralis, living stem Taxus baccata small tree river bank Ramularia geranii Geranium pratense, leaves Tilia platyphyllos trees (apparently new to Surrey on this host) Tilia x europaea trees Taphrina sadebeckii Alnus glutinosa, leaves Tragopogon pratensis few Trifolium pratense frequent GALLS Trifolium repens frequent (Eriophyoidea) Tussilago farfara local Aceria macrorhyncha Acer pseudoplatanus, Urtica dioica local leaf galls Verbena officinalis common Aceria heteronyx Acer platanoides twig galls Veronica serpyllifolia scarce Aceria pseudoplatani Acer pseudoplatanus, leaf galls FUNGI brevitarsus Alnus, leaf galls RUSTS (Uredinales) Eriophyes fraxinicola Fraxinus, flower galls Coleosporium tussilaginis on Tussilago Eriophyes goniothorax Crataegus, leaf galls Melampsora hypericorum on H. x inodorum Eriophyes ilicis Quercus ilex, leaf galls Puccinia calcitrapae on Centaurea nigra Eriophyes inangulis Alnus, leaf galls Puccinia epilobii on Epilobium hirsutum Alnus, leaf galls, few Puccinia punctata on Galium verum Eriophyes leiosoma Tilia x europaea leaf galls T. platyphyllos, leaf galls POWDERY MILDEWS (Erysiphales) Blumeria graminis indet. grass ‘Homoptera’ Erysiphe alphitoides Quercus robur Psyllopsis fraxini Fraxinus, leaf galls Erysiphe cruciferarum Hirschfeldia incana Trichochermes walkeri Rhamnus cathartica, (apparently new to Surrey on this host) leaf galls Erysiphe flexuosa Aesculus Erysiphe heraclei indet umbellifer Gall midges (Cecidomyiidae) Erysiphe polygoni Persicaria aviculare Dasineura fraxini Fraxinus, leaf galls Erysiphe trifolii T. pratense Dasineura gleditsiae Gleditschia, leaf galls

Gall wasps (Cynipidae) Andricus aries Quercus robur Andricus lignicola Quercus robur Cynips kollari Quercus robur Neuroterus numismalis Quercus robur Neuroterus quercus‐baccarum Quercus robur Neuroterus saliens Quercus cerris

Sawfly (Tenthredinidae) Pontania proxima Salix x sepulcralis (unusual host)

Bacteria Phytoplasma S. viminalis, S. ‘matsudana’ ‘Tortuosa’

OTHER Apis mellifera Speckled wood Harmonia axyridis harlequin Myzus cerasi curling leaves of Prunus avium

Leaf miners Moths Cameraria ohridella Aesculus, leaf miner Chrysoesthia sexguttella Chenopodium album blotch mines Ectoedemia heringiella Quercus ilex leaf mines Lyonetia clerkella leaf mines in Prunus avium, Malus Phyllonorycter ?kleemanella Alnus, leaf miner

Diptera Agromyza alnivora Alnus, serpentine leaf mine Phytomyza lappae Arctium minus artemisiae Artemisia vulgaris, blotch mines Trypeta zoe Senecio jacobaea

SPIDER Araneus diadematus

HARVESTMAN Leiobunum rotundum