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Clinopodium acinos
Basil Thyme used to be picked as a substitute for thyme, but it is now too rare to pick. Its distribution closely follows that of underlying chalk and limestone rock.
Like other members of the dead-nettle family, Basil Thyme is popular with bees and insects. At only 15 cm high, it produces whorls of violet flowers with white markings on the lower lip. Common Calamint and Wild Basil are closely related but are larger and with taller more dense flower spikes.
Basil Thyme grows mainly in southern and eastern England and is very rare in Wales, Scotland and northeast England. It is also present in eastern Ireland where is it considered an alien species. It grows in open habitats in dry grassland, especially around rock outcrops and also in arable fields, where it is now rare. It can be found in quarries and waste ground where calcareous rocks and lime-rich soil has been exposed and roads and railways where lime has been applied. In Ireland, Basil Thyme grows on sandy and gravelly soils.
Basil Thyme is unfortunately in decline because of more efficient methods of weed control almost causing its complete extinction in arable habitat. Basil Thyme is only present on less intensively used arable land and in chalk and limestone grassland. Threats to grassland populations include the lack of bare ground which is required by this species to aid seed germination. In Ireland, sand and gravel extraction are the main causes of decline.
It is classified as ‘Vulnerable’ and is included as a species “of principal importance for the purpose of conserving biodiversity” under Sections 41 (England) and 42 (Wales) of the Natural Environment and Rural Communities Act 2006. Basil Thyme is also noted on the Scottish biodiversity list of species of principal importance for biodiversity conservation in The Nature Conservation (Scotland) Act 2004.
Ranunculus ophioglossifolius
Adder’s Tongue Spearwort is a pretty plant with small, bright yellow buttercup-like flowers. The leaves are pointed oval, quite unlike ordinary buttercup leaves. When submerged, the pale greenish-yellow leaves float to the surface like small water-lily leaves.
Adder’s Tongue Spearwort can be found in wet or marshy places, often round the edges of field ponds. It prospers at the edge of cattle ponds in the churned-up mud. It’s a sensitive plant, requiring low competition, low water levels in summer, and plenty of rain in early winter.
Adder’s Tongue Spearwort is now found at only two sites in Gloucestershire, having previously grown in several parts of southern England. With human intervention, a sizeable population of plants flower and fruit every year.
Adder’s Tongue Spearwort is classified as Vulnerable and protected under Schedule 8 of the Wildlife and Countryside Act 1981, perhaps unsurprising given its exceedingly picky requirements.
It is mainly threatened by loss of grazing on pastures and commons, loss of muddy ponds, or overgrazing and excessive trampling too early in the year. Climate change with drier winters also causes drying out of small ponds. Without a mild, frost-free Autumn and enough rain to keep the ground moist for seedlings to develop, they can be uprooted by birds or killed by trampling livestock.
Veronica beccabunga
Brooklime has delicate blue flowers held on fleshy stems, often forming lush clumps near water. The spikes of pretty blue flowers ascending in pairs from the leaf base are a clue that this plant is a member of the Speedwell family. Brooklime is a perennial sprawling herb with a dense mass of succulent leaves. Like many water plants, it has hollow stems which help to transfer oxygen to the roots.
It grows at the waterline of riverbanks and in wet meadows, marshes, ponds, streams and ditches. It is found throughout the UK except in the Scottish Highlands.
Brooklime is doing well in its preferred habitats.
Lamium purpureum
Red Dead-nettle is traditionally known as the ‘bumblebee flower’ in some British counties as bumblebees love it! Other names include ‘sweet archangel’ and ‘bad man’s posies’. Red Dead-nettle is related to the stinging nettle but has no sting – hence the ‘dead’ in ‘dead-nettle’.
Red Dead-nettle has whorls of pink-purple flowers clustered amongst leaves towards the top of the plant. The aromatic leaves are hairy, heart-shaped and have toothed edges. Some leaves near the top of the plant take on a purple tint. This plant can be mistaken for henbit dead-nettle which has similar flowers. They can be differentiated because Red Dead-nettle leaves have short petioles (leaf stalks).
Found throughout the UK, Red Dead-nettle likes arable and waste land and can also be found in gardens, hedgerows and on roadsides.
Red Dead-nettle has a long flowering season that can begin in February and last until November.
Linnaea borealis
The beautiful Twinflower has two pink bell-like flowers on a slender stem, and a thicker stem below which creeps along the ground, forming small mats of the plant. It is one of our smallest and most delicate native flowers.
Twinflower is confined to Scotland. It grows mainly in the native, open, pinewoods, particularly in the Cairngorms.
The clearance of native woodlands before the 1930s resulted in severe losses of this little flower. Continued habitat destruction and changes in woodland management have also lead to declines in populations.
Twinflower is the County Flower of Inverness-shire.
The isolation of the remaining sites of Twinflower leads to poor seed production and thus contributes to its continued decline. Other threats include; mechanical harvesting of timber, the deliberate thickening of forests leading to excess shade and poor management of pine plantations leading to single age structure woodland without a niche for seedlings to develop.
One of Plantlife’s most exciting projects has been research into how the historical management of ancient pine plantation may have benefited Twinflower. A study of how timber was grown and extracted in the 18th and 19th centuries has led to a proposal to test whether these methods could boost Twinflower populations today. Read more about our work with Twinflower here.
We’re continuing our work with Twinflower through the Resilience and Recovery, Helping Rare Species Adapt to a Changing World project. Read more about our work here.
Without intervention, the delicate pink blooms of the rare Twinflower could disappear from Scotland.
Usnea articulata
It is most common in the south west’s temperate rainforest zone.
Favouring well-lit conditions and dry, open situations, it is most often found in tree canopies or on lower branches where trees are well-lit, in woodland or on scattered trees in open moorland. You can also find it on the ground after stormy weather.
Other large, bearded lichens include Usnea ceratina, Usnea dasopoga and Usnea hirta but these lack the sausage-like lobes.
Largely restricted to south-western parts of the UK with most records in south-west England.
Gliophorus psittacinus
The Parrot Waxcap (Gliophorus psittacinus) can be found in the summer and autumn on roadside verges, cropped grassland and in churchyards. Appearing on lawns only after years of low-nutrient management.
It favours unimproved acid or neutral grassland, and are most plentiful in western Britain and particularly in Wales.
There are two Parrot Waxcap species that are recognised: Gliophorus psittacinus and Gliophorus perplexa; the latter was previously considered to be a mere variety.
Image by Sarah Shuttleworth
This autumn, help Plantlife find Britain’s most colourful and important fungi – waxcaps.
Clavaria zollingeri
Violet Coral (Clavaria zollingeri) is a rare species in Britain found in unimproved grassland. It is usually solitary, but can occur in small groups.
It is listed as vulnerable across Europe on the International Union for Conservation of Nature (IUCN) Red List.
Hygrocybe intermedia
The Fibrous Waxcap (Hygrocybe intermedia) is an uncommon to occasional find in most of Britain and Ireland except in some parts of Wales, where it is more frequently recorded. Most often seen in unimproved grassland and, occasionally, in sand-dune systems.
The bright right orange (with hints of yellow) cap, fades and sometimes blackening with age.
The Blackening Waxcap
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