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British Plants and algae

Species 1 - 35 of 35

Sausage beard-moss (Didymodon tomaculosus)
This moss was only recognised as a distinct species for the first time in 1981. It is very similar to other species of the genus... More	1 Image	0 Videos

Scarlet pimpernel (Anagallis arvensis)
As the alternative names of shepherds sundial and shepherds weather-glass suggest, scarlet pimpernel is well-known for its ability... More	7 Images	1 Video

Scots pine (Pinus sylvestris)
Scots pine is one of only three native conifers found in the UK and our only true cone-bearing tree. Although Scots pine can trace... More	27 Images	0 Videos

Scottish scurvygrass (Cochlearia officinalis subsp. scotica)
There is currently disagreement as to the taxonomic status of Scottish scurvygrass. It was, at one point, held to be a species its... More	1 Image	0 Videos

Sea lettuce (Ulva lactua)
Sea lettuce is a common green seaweed with a broad translucent frond that is just 2 cell layers thick. This seaweed has a rather... More	7 Images	1 Video

Sessile oak (Quercus petraea)
Oak trees have a special place in the English psyche, and are well-loved symbols of strength. The crown of this magnificent native... More	22 Images	1 Video

Shepherd's needle (Scandix pecten-veneris)
Shepherd's needle is a member of the carrot family, has highly divided 'frizzy' pinnate leaves and produces tiny white flowers... More	4 Images	0 Videos

Shetland mouse-ear (Cerastium nigrescens)
Shetland mouse ear is endemic to Shetland (it is found no-where else in the world). It is a diminutive tufted herb, with densely... More	1 Image	0 Videos

Shore dock (Rumex rupestris)
A rare member of an otherwise familiar group of plants, shore dock has greyish green leaves and tiny green or reddish-brown flowers... More	3 Images	0 Videos

Silky swan-neck moss (Campylopus setifolius)
Silky swan-neck moss forms very robust, dark green or olive-green plants. The leaves are very long and narrow, measuring between... More	2 Images	0 Videos

Silver birch (Betula pendula)
One of the most familiar trees in the British countryside, the graceful silver birch is a genuine native, having been an early... More	18 Images	0 Videos

Silverweed (Potentilla anserina)
The genus name of Silverweed, Potentilla, means little powerful one. The ability of this plant to survive trampling, coupled with... More	7 Images	2 Videos

Slender green feather moss (Hamatocaulis vernicosus)
Slender green feather moss is a straggling moss, which has green to brown erect shoots, with hooked tips, reminiscent of a walking... More	1 Image	0 Videos

Slender naiad (Najas flexilis)
This slender, flexible plant has a branched stem with long, narrow leaves which are oppositely positioned at the bottom of the... More	1 Image	0 Videos

Slender stonewort (Nitella gracilis)
Stoneworts used to be classified as members of the plant kingdom, but it is now agreed that they belong – along with other green... More	1 Image	0 Videos

Slender thread-moss (Orthodontium gracile)
Slender thread-moss grows in bright green cushions, and closely resembles a much commoner species Orthodontium lineare. It requires... More	3 Images	0 Videos

Small Alison (Alyssum alyssoides)
Small Alison produces small, pale yellow flowers, which often become whitish as they fade with age. The seeds are reddish-brown... More	7 Images	0 Videos

Small cow-wheat (Melampyrum sylvaticum)
Small cow-wheat has narrow leaves and produces deep brownish yellow... More	2 Images	0 Videos

Small four-tooth moss (Tetrodontium repandum)
Small four-tooth moss is minute, and is so called as the capsule (the spore-bearing structure which is held aloft on a stalk... More	1 Image	0 Videos

Small-flowered catchfly (Silene gallica)
The small-flowered catchfly is covered in soft hairs and has small narrow leaves and pinkish flowers that are arranged in loose... More	4 Images	0 Videos

Snowdonia hawkweed (Hieracium snowdoniense)
The Snowdonia hawkweed is one of the world's rarest plants with just one surviving specimen known. Amazingly, it was rediscovered... More	1 Image	0 Videos

Snowdrop (Galanthus nivalis)
The snowdrop is an early flowering bulbous plant; the pure white blooms are a cheering sight in late winter. The narrow leaves are... More	5 Images	3 Videos

Spear thistle (Cirsium vulgare)
The spear thistle is perhaps the most likely candidate for the Scottish national emblem. It is a tall thistle, with a long... More	9 Images	3 Videos

Spreading hedge-parsley (Torilis arvensis)
Spreading hedge-parsley is usually an upright-growing plant, which has two or three-lobed leaves with toothed edges. The flowers... More	5 Images	0 Videos

Spruce's bristle-moss (Orthotrichum sprucei)
Spruce's bristle-moss grows in neat, rounded cushion-like patches. When dry, the narrow leaves are straight, but they spread out... More	1 Image	0 Videos

Stabler's rustwort (Marsupella stableri)
This small, leafy liverwort grows in pinkish-green to rosy red, or occasionally purplish-brown or coppery coloured mats. It has... More	1 Image	0 Videos

Starfruit (Damasonium alisma)
Starfruit is so named because of the distinctive fruits this plant bears which appear as six-sided stars. The plant's appearance... More	5 Images	0 Videos

Starry stonewort (Nitellopsis obtusa)
Stoneworts used to be classified as members of the plant kingdom, but it is now agreed that they belong – along with other green... More	1 Image	0 Videos

Starved wood-sedge (Carex depauperata)
Starved wood-sedge is one of Europe's rarest sedges. It characteristically produces few flowers and has very large fruits (called... More	5 Images	0 Videos

Sterile beardless moss (Weissia sterilis)
Sterile beardless moss occurs as patches or scattered stems. The stems are usually branched, and the branches are often clustered... More	1 Image	0 Videos

Stinking hawk's-beard (Crepis foetida)
Stinking hawk's-beard is a member of the large family of composites which includes daisies, thistles and dandelions.... More	3 Images	0 Videos

Strapwort (Corrigiola litoralis)
Strapwort is a small, branched, annual plant, usually found along muddy lake shores. The stems of the plant are reddish in colour... More	4 Images	0 Videos

Summer lady's-tresses (Spiranthes aestivalis)
Summer lady's-tresses is thought to be extinct in Britain. This orchid produces 5-20 yellowish-white flowers in a spiral row. The... More	2 Images	0 Videos

Sword-leaved helleborine (Cephalanthera longifolia)
Sword-leaved helleborine, also know as narrow-leaved helleborine, has white flowers with a yellow or orange-edged lip. Each plant... More	6 Images	0 Videos

Sycamore (Acer pseudoplatanus)
The sycamore is a well-known tree, thought to have been introduced to Britain from Europe in the 15th or 16th Century. The domed... More	14 Images	5 Videos

Species 1 - 35 of 35

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