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Field guides instruct foragers to carefully identify species before assuming that any wild plant is edible. Accurate determination ensures edibility and safeguards against potentially fatal poisoning. Some plants that are generally edible can cause allergic reactions in some individuals.
Mercurialis perennis, commonly known as dog's mercury, is a poisonous woodland plant found in much of Europe as well as in Algeria, Iran, Turkey, and the Caucasus, but almost absent from Ireland, Orkney and Shetland.
A combination of characteristics is usually required to identify the plant. Identification of a non-flowering, non-fruiting plant with bare leaves may be difficult. Although some species of Trillium have petioles (leaf stalks) and/or distinctive leaf shapes, these features are seldom sufficient to identify the plant down to the species level.
Solidago caesia, commonly named blue-stemmed goldenrod, wreath goldenrod, [2] or woodland goldenrod, [3] is a flowering plant native to North America. Description [ edit ]
G. urbanum is a common, typically lowland plant favouring dry semi-natural broadleaved woodland, scrub, hedgerows, and waysides on well-drained soils. [13] It sometimes also grows in open disturbed habitats rich in soil nitrogen, occurring as a garden weed. [13] It grows on mildly acidic to calcareous soils in the pH range 5.4–7.7. [14]
Phlox divaricata, the wild blue phlox, woodland phlox, or wild sweet william, is a species of flowering plant in the family Polemoniaceae, native to forests and fields in eastern North America. Etymology
It is a perennial herbaceous plant growing to 60 cm (2 ft) tall, producing upright, usually unbranched stems and flowers in spring to early summer. The leaves are palmately lobed with five or seven deeply cut lobes, 10–12.5 cm (4–5 in) broad, with a petiole up to 30 cm (12 in) long arising from the rootstock .
Podophyllum peltatum is an herbaceous perennial plant in the family Berberidaceae. Its common names are mayapple, American mandrake, wild mandrake, [4] and ground lemon. [5] It is widespread across most of the eastern United States and southeastern Canada. [6] [7] Mayapples are woodland plants, typically growing in colonies derived