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Buckthorn

Buckthorn Photo From US National Park Service invasive plants factsheet.

Rhamnus cathartica

Common Name: Common Buckthorn.

Family: Rhamnaceae.

Known Hazards: The fruit is purgative but not seriously poisonous. Other parts of the plant may also be poisonous.

Habitats: Fen peat, scrub, hedges, ash and oak woods, on calcareous often dry . . . → Read More: Buckthorn

Lesser Celandine

Lesser Celandine by H. Zell on Wikimedia Commons

Ranunculus ficaria

Common Name: Lesser Celandine.

Family: Ranunculaceae.

Known Hazards: All parts of the plant are poisonous. The toxins are unstable and of low toxicity, they are easily destroyed by heat or by drying. The sap can cause irritation to the skin.

. . . → Read More: Lesser Celandine

Oak

Oak Photo by Jorchr http://commons.wikimedia.org/wiki/File:Svaneholm,_ek.jpg

Quercus robur

Common Name: Pedunculate Oak.

Family: Fagaceae.

Habitats: Often the dominant woodland tree, especially on clay soils and in the eastern half of Britain, but avoiding acid peat and shallow limestone soils.

Range: Europe, including Britain, from Scandanavia south and east to Spain, the . . . → Read More: Oak

Purslane

Purslane Photo by http://commons.wikimedia.org/wiki/File:Portulaca_oleracea_stems.jpg

Portulaca oleracea

Common Name: Green Purslane.

Family: Portulacaceae.

Habitats: Fields, waste ground, roadside verges, cultivated ground and by the sea.

Range: S. Europe. A not infrequent casual in Britain.

Physical Characteristics

Portulaca oleracea is an ANNUAL growing to 0.3 m (1ft) by 0.3 m . . . → Read More: Purslane

Psyllium

Psyllium husks Photo from http://commons.wikimedia.org/wiki/File:Psyllium_seed_husk_pile.JPG

Plantago psyllium

Common Name: Fleawort, Psyllium.

Family: Plantaginaceae.

Habitats: Dry places in S. Europe. Found wild on most well-drained soils.

Range: Europe - Mediterranean to E. Asia - India.

Physical Characteristics

Plantago psyllium is a ANNUAL growing to 0.6 m (2ft) by 0.3 m (1ft in). The flowers . . . → Read More: Psyllium

Plantain

Plantain Phsoto by http://commons.wikimedia.org/wiki/File:Frilly_Plantago_major.JPG

Plantago major

Common Name: Common Plantain.

Family: Plantaginaceae.

Habitats: A common garden weed, particularly in lawns. Rarely in grassy places.

Range: Most of Europe, including Britain, to northern and central Asia.

Physical Characteristics

Plantago major is a PERENNIAL growing to 0.1 m (0ft 4in) by 0.1 m (0ft 4in). . . . → Read More: Plantain