Grimston Warren
Looking towards Roydon Common
Common Bent (Agrostis capillaris)
Trifid Burr-Marigold (Bidens tripartita)
Green phyllaries, only disc florets no ray florets
Brookweed (Samolus valerandi)
Lucerne Bug (Adelphocoris lineolatus)
Slightly older
Spiked Sedge (Carex spicata)
Colletes Sp
Hairy-saddled Colletes (Colletes fodiens)?
A cross between Corn Mint (Mentha arvensis) and Water Mint (Mentha aquatica)
Marsh Cudweed (Gnaphalium uliginosum)
Early Hair Grass (Aira praecox)
Alder Buckthorn (Frangula alnus)
Gall on Fen Bedstraw ( Galium uliginosum)
Possibly Geocrypta galli or Dasyneura hygrophila
Phalangium opilio ♂︎
Heather Colletes (Colletes succinctus)
Yorkshire Fog (Holcus lanatus)
Square-stalked St John's Wort (Hypericum tetrapterum)
Ichneumon Sp
Annual Knawel (Scleranthus annuus)
Polygonum Sp?
Little feet. Lower leaves on the stem.
Lady Fern (Athyrium felix femina)
Bristle Club-rush (Isolepis setacea)
Lousewort (Pendicularis palustris) seed pods
Batman Hoverfly (Myathropa florea)
Adder's Tongue Fern (Ophioglossum vulgatum)
Oval Sedge (Carex leporina)
Marsh Ragwort (Jacobea aquatica)
Robberfly Sp?
Black-horned Nomad Bee ♂︎ (Nomada rufipes)
Floating Club-rush (Eleogeton fluitans)
Blunt-flowered Rush (Juncus subnodulosus)
Thick-legged Hoverfly (Syritta pipiens)
Thistle Sp basal rosette
Wasp Spider (Argiope bruennichi)
Lesser Water Plantain (Baldellia ranunculoides)
Water Purslane (Lythrum portula)
Hornet Plumehorn (Volucella zonaria)
Characteristic purple rhizoids of Fossombronia Sp
Fossombronia Sp?
Heart-leaved Spear-moss (Calliergon cordifolium)
Creeping Bent (Agrostis stolonifera)
Very long awns 5.5-8mm
Dense Silky Bent (Aptera interrupta)
Largely restricted to East Anglia
Bearded Fescue (Vulpia ciliata subs ambigua)
Even longer Awns 7.7-11.5mm
Brown Bent (Agrostis vinealis)
Buttle's Marsh
Mixed ditch edge
Large Thistle Aphid (Uroleucon cirsii)
Water Plaintain (Alisma plantago)?
Water Fern (Azolla filiculoides)
Lesser Water-parsnip (Berula erecta)
Brookweed (Samolus valerandii)
Branched Bur-reed (Sparganium erectum)
For comparison
A ditch community
An excellent dead tree in the landscape.
Exuvia
Frogbit (Hydrocharis morsus ranae)
Floating Sweet Grass (Glyceria fluitans)
Greater Pond Sedge (Carex riparia)
Thumb print shape of the ligule and the arrangement and length of the cells.
False Fox-sedge (Carex otrubae)
Konik Ponies
River Water Crowfoot (Ranunculus fluitans)
The leaves are longer than the internodes.
Lesser Bulrush / Reedmace (Typha angustifolia)
Narrow-leaved Water-dropwort (Oenanthe silaifolia)
Nutall's Water Weed (Elodea nuttalli)
Tubular Water-dropwort (Oenanthe fistulosa)
Cyperus Sedge (Carex pseudocyperus)
Shining Pondweed (Potamogeton lucens)
Red Bartsia (Odontites vernus)
Red-eyed Damselfly (Erythromma viridulum)
Skullcap (Scutellaria galericulata)
Greater Water Parsnip (Sium latifolium)
Common Club-rush (Schoenoplectus lacustris)
Tiger Hoverfly (Helophilus pendulus)
Bristle Club-rush (Isolepis setacea)
Water Horsetail (Equisetum fluviatile)
Thin walled hollow stems