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BRANCHED BUR-REED
Sparganium erectum. Found in Sheepwater and Roe's Well, where it
grows from tuberous roots in liquid mud and shallow water. Photo: July
2005. |
BROOKLIME Veronica
beccabunga. An aquatic speedwell. It grows on the margins of
Sheepwater and Roe's Well. Photo: June 2005. |
WATER MINT Mentha
aquatica. A wet marginal plant found in Sheepwater and Roe's Well
and the Lake.
Flowers July onwards. Aromatic. |
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WATER FORGET-ME-NOT
Myosotis
scorpioides. A wet marginal plant found in Roe's Well and the
Lake.
Photo: July 2005. |
GREATER
SPEARWORT Ranunculus lingua.
A tall
aquatic marginal buttercup with lance-shaped leaves. Up to 1.2m tall.
Found in Chigwell Row Recreation Ground pond. Flowers June - July. |
LESSER SPEARWORT
Ranunculus flammula. An aquatic buttercup with spear-shaped
leaves. Swampy and marginal plant found in Sheepwater. |
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FOOL'S WATER-CRESS
Apium nodiflorum. An umbellifer growing in the muddy margins of
Sheepwater. The photograph (above, centre) shows a close up of the
umbel. Photo: July 2005. |
WATER CRESS Rorippa
nasturtium-aquaticum. Marginal plant in Sheepwater. |
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SOFT RUSH Juncus
effusus. Clumps of Soft rush are found in and around the margins
of both Sheepwater and Roe's Well. The photograph (above, centre)
shows a close op of an individual stem. Photos: July 2005. |
YELLOW IRIS Iris
pseudacorus. Found as a marginal plant in Sheepwater, Hainault
Lake and Chigwell Row Reserve Pond. Flowers May-June. |
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BULRUSH or REED MACE
Typha latifolia in Hainault Lake and Chigwell Row Pond. Photo:
July 2005. |
WATER CHICKWEED
Myosoton aquaticum. Marginal plant found in the feeder ditch to
Hainault Lake. Photographed by the bridge July 2003. |
IRIS Iris sp.
A marginal plant
in Sheepwater. Not native but dumped here. Photo: June 05.
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THREAD-LEAVED WATER
CROWFOOT Ranunculus trichophyllus. Local in SE.
England. Found in Roe's Well. No floating leaves, only feather-like
submerged leaves. Flower tiny, appears above the water. |
IVY-LEAVED WATER CROWFOOT
Ranunculus hederaceus.
Grows in the mud in Roe's Well. |
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INDIAN BALSAM or
POLICEMAN'S HELMET Impatiens glandulifera. A marginal plant
introduced from the Himalayas. The seed pods explode throwing seeds
everywhere. A potential weed. Found in the ditch feeding Hainault
Lake. |
TRIFID BUR-MARIGOLD
Bidens tripartita. A marginal plant found near the Lake outfall.
An annual, flowering July onwards. |
GIPSYWORT Lycopus
europaeus. A deadnettle with whorls of tiny white flowers. Found
on the Lake margins. Flowers July onwards. |
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FROGBIT Hydrocharis
morsus-ranae in Sheepwater. Flowers infrequently. A floating
plant, luxuriant growth this year. Photo: July 2005.
Common duckweed also
present - see below |
WATER SOLDIER
Stratiotes aloides. A floating plant, but most of it submerged.
Closely related to Frogbit. An introduced species found in Chigwell
Row Recreation Ground Pond where it dominates. Photo: July 2005.
Ivy-leaved duckweed present - see below. |
MARE'S-TAIL Hippuris
vulgaris in Sheepwater. A mud loving flowering plant, not to be
confused with the Horsetails. Probably dumped there this year. Photo:
July 2005. |
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WILD CELERY Apium
graveolens.
Several plants grow along
the southern edge of the lake near the outfall (above centre). It is a
biennial plant that normally grows in brackish areas near the sea,
occasionally found inland. More detail (above left).
Photos: 7July 2005. |
GREATER WILLOW HERB or
CODLINS AND CREAM Epilobium hirsutum. Likes damp soil and
margins of the forest ponds. Flowers July onwards. |
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COMMON DUCKWEED Lemna
minor.
A tiny floating plant comprising a frond and single root.
Fronds between 1-7mm. Common in all the forest ponds. A flowering
plant although this rarely happens. Photo: July 2005. |
IVY-LEAVED DUCKWEED
Lemna trisulca.
Generally floats just below the surface. Has
stalks. Common in Sheepwater and Chigwell Row Recreation Ground Pond.
Photo: July 2005. |
GREATER
DUCKWEED Spirodela polyrhiza
Fronds
up to 10mm. Differs from Common duckweed in that each frond has many
roots. In Hainault Lodge.
Photo:
July 2005 |
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CURLED
PONDWEED Potamogeton crispus
Submerged plant with narrow undulating leaves. In Sheepwater. Photo:
July 2005 |
RIGID
HORNWORT Ceratophyllum demersum
Submerged plant with whorls of leaves. Common in Roe's Well. Photo:
July 2005 |
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