Plant species list

Locations: see end of table.

			Location
Genus	Species	English Name	WL	R	CY	H	M	P
Acer	campestre	Field Maple	R	.	.	R	.	.
Acer	platanoides	Norway Maple	R	.	.	R	.	.
Acer	pseudoplatanus	Sycamore	O	.	.	R	.	.
Acer	sp.		R	.	.	.	.	.
Achillea	millefolium	Yarrow	O	O	R	.	R	.
Aesculus	hippocastanum*	Horse-chestnut	.	.	.	O	.	.
Aesculus	carnea*	Red Horse-chestnut	.	.	.	.	.	O
Aethusa	cynapium	Fool's Parsley	.	R	.	.	.	.
Agrostis	gigantea	Black Bent	.	O	.	.	.	.
Agrostis	stolonifera	Creeping Bent	.	F	.	.	.	.
Ajuga	reptans	Bugle	R	.	.	.	.	.
Alisma	plantago-aquatica	Water-plantain	O	.	.	.	.	O
Alliaria	petiolata	Garlic Mustard	.	O	.	.	.	.
Alnus	cordata*	Italian Alder	.	.	O	.	.	.
Alnus	glutinosa	Alder	O	.	.	R	.	.
Alnus	incana*	Grey Alder	.	.	.	R	.	.
Alopecurus	pratensis	Meadow Foxtail	.	R	.	O	C	.
Alopecurus	geniculatus	Marsh Foxtail	.	.	.	.	.	.
Angelica	sylvestris	Wild Angelica	O	O	.	.	.	.
Anisantha	sterilis	Barren Brome	O	F	.	.	.	.
Anthriscus	sylvestris	Cow Parsley	O	C	.	C	F	O
Apium	nodiflorum	Fool's Watercress	LA	O	.	.	.	.
Arctium	minus	Lesser Burdock	.	R	.	.	.	.
Armoracia	rusticana	Horse-radish	.	.	.	.	.	F
Arrhenatherum	elatius	False Oat-grass	.	.	O	C	F	O
Artemisia	vulgaris	Mugwort	.	R	.	.	.	.
Arum	maculatum	Lords-and-Ladies	.	R	.	.	.	R
Atriplex	patula	Common Orache	.	.	.	.	.	.
Avena	sterilis ssp ludoviciana?	Winter Wild-oat	.	O	.	.	.	.
Ballota	nigra	Black Horehound	R	R	.	.	.	.
Bellis	perennis	Daisy	O	O	O	.	O	.
Berula	erecta	Lesser Water-parsnip	LA	.	.	.	.	.
Betula	pendula	Silver Birch	R	.	.	R	.	.
Bidens	tripartita	Trifid Bur-marigold	R	R	.	.	.	.
Bromus	hordeaceus hordeaceus	Soft-brome	O	O	.	O	C	.
Buddleja	davidii	Butterfly-bush	R	.	.	.	.	.
Butomus	umbellatus	Flowering rush	R	R	.	.	.	.
Callitriche	stagnalis	Common Water-starwort	.	O	.	.	.	.
Calystegia	sepium	Hedge Bindweed	O	C	.	.	.	.
Capsella	bursa-pastoris	Shepherd's-purse	.	O	O	.	.	.
Cardamine	pratensis	Cuckoo-flower	.	.	.	.	O	.
Carduus	crispus	Welted Thistle	R	O	.	.	.	.
Carex	acuta	Slender Tufted-sedge	LA	.	.	.	.	.
Carex	hirta	Hairy Sedge	O	.	.	.	.	.
Carex	otrubae	False Fox-sedge	O	.	.	.	.	.
Carex	riparia	Greater Pond-sedge	LA	.	.	.	.	A
Castanea	sativa*	Sweet Chestnut	.	.	R	.	.	.
Cedrus	lebani*	Cedar of Lebanon	.	.	O	.	.	.
Centaurea	nigra	Common Knapweed	F	O	O	.	.	.
Cerastium	fontanum	Common Mouse-ear	.	.	.	.	R	.
Cerastium	glomeratum	Sticky Mouse-ear	.	.	.	.	F	.
Chaenorhinum	minus	Small Toadflax	.	.	.	.	.	.
Chamerion	angustifolium	Rosebay Willowherb	R	.	.	.	.	.
Chenopodium	album	Fat Hen	.	.	.	.	.	.
Cirsium	arvense	Creeping Thistle	F	O	R	O	O	R
Cirsium	vulgare	Spear Thistle	O	.	R	O	R	.
Conium	maculatum	Hemlock	.	O	.	.	.	.
Conopodium	majus	Pignut	.	.	.	.	R	.
Convolvulus	arvensis	Bindweed	.	R	F	.	.	O
Conyza	canadensis	Canadian Fleabane	R	.	.	.	.	.
Cornus	sanguinea	Dogwood	O	.	R	O	.	.
Corylus	avellana	Hazel	.	.	.	O	.	.
Cotoneaster	horizontalis	Wall Cotoneaster	.	.	.	R	.	.
Crataegus	monogyna	Hawthorn	O	R	O	A	.	O
Cuscuta	europaea	Greater Dodder	.	R	.	.	.	.
Cynosurus	cristatus	Crested Dog's-tail	.	O	.	.	.	.
Dactylis	glomerata	Cock's-foot	O	O	.	.	O	O
Daucus	carota	Wild Carrot	O	.	.	.	.	.
Deschampsia	caespitosa	Tufted Hair-grass	O	.	.	.	.	.
Dipsacus	fullonum	Teasel	.	O	.	.	.	O
Eleocharis	palustris	Common Spike-rush	F	.	.	.	.	.
Elymus	canina	Bearded Couch	.	R	.	R	.	O
Elytrigia	repens	Common Couch	F	F	.	.	O	.
Epilobium	hirsutum	Great Willowherb	O	C	R	R	.	F
Epilobium	sp	a Willowherb	.	.	O	.	.	F
Equisetum	arvense	Field Horsetail	.	.	.	.	.	.
Equisetum	fluviatile(?)	Water Horsetail	O	.	.	.	.	.
Equisetum	palustre	Marsh Horsetail	F	.	.	.	.	.
Equisetum	. litorale(?)	Shore Horsetail	F	O	.	.	.	.
Euonymus	europaeus	Spindle	.	R	.	.	.	.
Festuca	gigantea	Giant Fescue	.	R	.	.	.	.
Festuca	rubra	Red Fescue	.	O	.	.	F	O
Filipendula	ulmaria	Meadowsweet	F	.	.	.	O	.
Frangula	alnus	Alder Buckthorn	R	.	.	.	.	.
Fraxinus	excelsior	Ash	O	R	O	O	.	.
Galeopsis	tetrahit	Common Hemp-nettle	R	.	.	.	.	.
Galium	aparine	Cleavers	O	.	R	F	.	O
Galium	palustre	Common Marsh-bedstraw	O	.	.	.	.	.
Galium	verum	Lady's Bedstraw	O	.	R	.	O	.
Geranium	dissectum	Cut-leaved Crane's-bill	.	.	.	.	O	.
Geranium	lucidum	Shining Crane's-bill	.	.	R	.	.	.
Glechoma	hederacea	Ground Ivy	.	R	.	O	.	O
Glyceria	maxima	Reed Sweet-grass	LF	.	.	.	.	.
Hedera	helix	Ivy	.	.	C	C	.	.
Heracleum	sphondylium	Hogweed	O	O	.	.	O	O
Holcus	lanatus	Yorkshire-fog	LF	.	O	.	R	O
Hordeum	murinum	Wall Barley	.	O	.	O	.	.
Hordeum	secalinum	Meadow Barley	.	.	.	.	O	.
Humulus	lupulus	Hop	.	R	.	.	.	.
Hypericum	perforatum	Perforate St. John's-wort	.	R	.	.	.	.
Ilex	sp.*	Holly	.	.	O	.	.	.
Impatiens	capensis	Orange Balsam	R	R	.	.	.	.
Impatiens	glandulifera	Himalayan Balsam	.	F	.	.	.	.
Iris	pseudacorus	Yellow Iris	O	.	.	.	.	.
Juglans	regia*	Walnut	.	.	R	.	.	.
Juncus	articulatus	Jointed Rush	O	.	.	.	.	.
Juncus	effusus	Soft Rush	LA	.	.	.	.	O
Juncus	inflexus	Hard Rush	O	.	.	.	.	.
Lactuca	serriola	Prickly Lettuce	O	O	.	.	.	.
Lamium	album	White Dead-nettle	.	R	.	.	.	.
Lamium	purpureum	Red Dead-nettle	.	.	O	.	.	.
Lapsana	communis	Nipplewort	O	O	.	.	.	.
Lathyrus	nissolia	Grass Vetchling	.	.	.	.	R	.
Lathyrus	pratensis	Meadow Vetchling	O	R	.	.	R	.
Lemna	minor	Common Duckweed	.	A	.	.	.	.
Leontodon	autumnalis	Autumn Hawkbit	.	R	.	.	.	.
Leucanthemum	vulgare	Oxeye Daisy	.	R	.	.	.	.
Lolium	perenne	Perennial Rye-grass	.	F	C	.	O	.
Lonicera	periclymenum	Honeysuckle	R	.	.	.	.	.
Lotus	corniculatus	Common Bird's-foot-trefoil	O	.	O	.	.	.
Lotus	pedunculatus	Greater Bird's-foot-trefoil	O	.	.	.	.	.
Lychnis	flos-cuculi	Ragged-Robin	F	.	.	.	O	.
Lycopus	europaeus	Gypsywort	F	.	.	.	.	F
Lythrum	salicaria	Purple-loosestrife	O	.	.	.	.	.
Malus	sylvestris	Crab Apple	.	.	.	O	.	.
Malva	moschata	Musk Mallow	.	R	.	.	.	.
Malva	sylvestris	Common Mallow	.	.	R	.	.	.
Matricaria	recutita	Scented Mayweed	.	R	.	.	.	.
Medicago	lupulina	Black Medick	.	.	.	.	.	.
Mentha	aquatica	Water Mint	F	R	.	.	.	F
Myosoton	aquaticum	Water Chickweed	F	.	.	.	.	.
Myosotis	scorpioides	Water Forget-me-not	F	O	.	.	.	.
Nuphar	lutea	Yellow Water-lily	.	.	.	.	.	.
Parthenocissus	quinquefolia*	Virginia Creeper	.	.	O	.	.	.
Persicaria	hydropiper	Water Pepper	.	F	.	.	.	.
Persicaria	maculosa	Redshank	.	O	.	.	.	.
Phalaris	arundinacea	Reed Canary-grass	.	O	.	.	.	.
Phleum	pratense	Timothy	F	O	.	.	O	.
Phragmites	australis	Common reed	LA	LA	.	.	.	.
Picris	echioides	Bristly Oxtongue	.	R	.	.	.	.
Pimpinella	saxifraga(?)	Burnet-saxifrage	.	.	R	.	.	.
Pinus	sylvestris*	Scots Pine	.	.	.	.	.	.
Plantago	lanceolata	Ribwort Plantain	.	.	F	.	O	.
Plantago	major	Greater Plantain	.	.	O	.	.	.
Poa	annua	Annual Meadow Grass	.	R	O	.	R	.
Poa	pratensis	Smooth Meadow-grass	.	.	.	.	O	O
Poa	trivialis	Rough Meadow-grass	.	F	.	.	.	F
Polygonum	aviculare	Knotgrass	.	.	O	.	.	.
Poplus	nigra	Black Poplar	.	R	.	.	.	.
Potamogeton	sp.	a Pondweed	O	.	.	.	.	.
Potentilla	anserina	Silverweed	O	.	.	.	O	.
Potentilla	reptans	Creeping Cinquefoil	O	O	O	.	O	.
Prunus	avium*	Wild Cherry	.	.	.	.	.	R
Prunus	domestica ssp.insititia*(?)	Damson	.	.	.	.	.	R
Prunus	sp.*	Cherry	.	.	O	.	.	.
Prunus	spinosa	Blackthorn	.	O	O	O	.	.
Pulicaria	dysenterica	Common Fleabane	O	R	.	.	.	.
Quercus	robur	Oak	.	.	R	.	.	O
Ranunculus	acris	Meadow Buttercup	.	.	.	.	A	.
Ranunculus	fluitans	River Water-crowfoot	.	A	.	.	.	.
Ranunculus	repens	Creeping Buttercup	.	O	O	.	.	.
Rorippa	sp	Yellowcress	.	O	.	.	.	.
Rosa	rugosa	Japanese Rose	O	.	.	.	.	.
Rosa	sp.	Dog Rose?	O	.	.	O	.	.
Rubus	sp.	Bramble	LA	.	.	A	.	F
Rumex	acetosa	Common Sorrel	R	.	O	.	.	.
Rumex	crispus	Curled Dock	.	F	.	.	.	.
Rumex	hydrolapathum(?)	Water Dock	O	.	.	.	.	O
Rumex	obtusifolius	Broad-leaved Dock	.	F	.	.	O	.
Rumex	sanguineus	Wood Dock	F	R	.	.	.	R
Rumex	x pratensis	a hybrid Dock	.	R	.	.	.	.
Rumex	conglomeratus	Clustered Dock	R	O	.	.	.	.
Sagittaria	sagittifolia	Arrowhead	.	F	.	.	.	.
Salix	alba	White Willow	F	F	.	.	.	.
Salix	cinerea	Grey Willow	F	.	.	.	.	.
Salix	fragilis	Crack Willow	.	C	.	O	.	C
Salix	x sepulcralis*	Weeping Willow	.	.	O	.	.	.
Sambucus	nigra	Elder	.	.	O	C	.	.
Sanguisorba	officinalis	Great Burnet	R	.	.	.	F	.
Scutellaria	galericulata	Skullcap	.	R	.	.	.	.
Schoenoplectus	lacustris	Common Club-rush	.	F	.	.	.	.
Schoenoplectus	tabernaemontani	Grey Club-rush	LA	.	.	.	.	.
Scrophularia	auriculata	Water Figwort	O	R	.	.	.	.
Sedum	acre	Biting Stonecrop	O	.	.	.	.	.
Sedum	rupestre	Reflexed Stonecrop	O	.	.	.	.	.
Senecio	erucifolius	Hoary Ragwort	O	.	.	.	.	.
Senecio	jacobaea	Ragwort	O	.	R	.	.	.
Senecio	vulgaris	Groundsel	.	.	O	.	.	.
Silene	dioica	Red Campion	.	R	.	.	.	.
Silene	latifolia	White Campion	.	O	.	.	.	.
Sinapis	arvensis	Charlock	.	R	.	.	.	.
Sisymbrium	officinale	Hedge Mustard	.	O	.	.	.	.
Solanum	dulcamara	Bittersweet	O	R	R	.	.	F
Solanum	nigrum	Black Nightshade	.	.	R	.	.	.
Solidago	canadensis	Canadian Goldenrod	.	O	.	.	.	.
Sonchus	arvensis	Perennial Sow-thistle	.	.	O	.	.	.
Sonchus	oleraceus	Smooth Sow-thistle	O	.	R	.	.	.
Sonchus	asper	Prickly Sow-thistle	O	O	R	.	.	.
Sorbus	sp.*		.	.	O	.	.	.
Sparganium	emersum(?)	Unbranched Bur-reed	.	C	.	.	.	.
Sparganium	erectum	Branched Bur-reed	.	C	.	.	.	O
Stachys	palustris	Marsh Woundwort	.	F	.	.	.	.
Stachys	sylvatica	Hedge Woundwort	.	.	.	R	.	O
Stellaria	media	Common Chickweed	.	O	.	.	O	.
Tamus	communis	Black Bryony	.	R	.	.	.	.
Tanacetum	vulgare	Tansy	.	O	.	.	.	.
Taraxacum	sp	Dandelion	.	.	C	.	R	O
Taxus	baccata*	Yew	.	.	F	.	.	.
Torilis	japonica	Upright Hedge-parsley(?)	O	.	.	.	.	.
Tragopogon	pratensis	Goat's-beard	R	.	.	.	.	.
Trifolium	dubium	Lesser Trefoil	.	.	.	.	R	.
Trifolium	pratense	Red Clover	.	.	.	.	R	.
Trifolium	repens	White Clover	.	.	O	.	.	.
Tussilago	farfara	Colt's-foot	O	.	.	.	.	.
Typha	angustifolia	Lesser Bulrush	O	.	.	.	.	.
Typha	latifolia	Bulrush	LA	.	.	.	.	.
Ulmus	procera(?)	English Elm	.	R	.	C	.	.
Urtica	dioica	Perennial Nettle	O	A	O	C	.	F
Veronica	beccabunga	Brooklime	.	R	.	.	.	.
Veronica	chamaedrys	Germander Speedwell	.	.	.	R	R	.
Veronica	scutellata	Marsh Speedwell	R	.	.	.	.	.
Viburnum	opulus	Guelder Rose	.	.	.	R	.	.
Vicia	cracca	Tufted Vetch	O	.	.	.	.	.
Vicia	hirsuta	Hairy Tare	O	.	.	.	.	O
Vicia	sativa	Common Vetch	.	.	.	.	R	.

Locations
WL - Walton Lake, including the adjacent storm water culvert and steep grassy banks immediately round the wet areas of the lake.
R - river both banks adjoining the OU campus
CY - Walton Hall churchyard
M - meadows between the river and Walton lake and on the far side of Walton Lake H - hedgerows in several different places round the trail P - pond on campus between the south entrance and library. *all plants planted rather than naturally arrived, if at least some plants are self sown then no asterisk.

The few plants without locations are found in other places round the trail e.g. the pine plantation or outside Venables building.

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