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...ps]] or carrots. The plant may be mistaken for parsnip due to its clusters of white tuberous [[root]]s. ...n species, rare or absent from the Mediterranean region, making its use in Greece unlikely. See [[Poison hemlock]] for more information.

...sp&name=Solanum~nigrum ''Solanum nigrum'' plant profile, ''New South Wales Flora Online'']</ref> ...], and can be [[fatal]]. Death can result from the ingestion of high doses of plant parts, causing [[cardiac arrhythmia]]s and [[respiratory failure]].

...at Lakes]] region and was first spotted in 1843<ref>{{cite web |title=List of invasive species in the Great Lakes Great Lakes United / Union Saint-Lauren ...shaped, and often lobed at the base. The [[flower]]s are in loose clusters of 3–20, (1–1.5&nbsp;cm) across, star-shaped, with five purple petals and

...is'']</ref><ref name="blamey">Blamey, M. & Grey-Wilson, C. (1989). ''Flora of Britain and Northern Europe''. ISBN 0-340-40170-2</ref> ...name="blamey"/><ref name="rhs">Huxley, A, ed. (1992). ''New RHS Dictionary of Gardening''. ISBN 0-333-47494-5</ref>

[[Image:Illustration Helleborus niger0.jpg|thumb|19th century illustration of ''Helleborus niger'']] [[Image:Helleborus foetidus0.jpg|thumb|right|The small green flowers of ''H. foetidus'' often have a purple edge to each 'petal']]

[[Image:Koeh-191.jpg|thumb|right|200px|19th century illustration of ''Conium maculatum'']] {{Redirect3|Poison hemlock|For other uses of "hemlock", see [[Hemlock]]}}

...'''''Convallaria''''' in the flowering plant family [[Ruscaceae]] (or one of two, or three, if ''C. keiskei'' and ''C. transcaucasica'' are recognised a ...eason, Henry A. and Cronquist, Arthur, (1991), ''Manual of Vascular Plants of Northeastern United States and Adjacent Canada'', New York Botanical Garden

| diversity_link = List of Euphorbia species ...ly from Africa, the Americas and [[Madagascar]]. There exists a wide range of [[island|insular]] species: on the [[Hawaiian Islands]] where spurges are c

...Genome Sciences |publisher=[[University of Maryland, Baltimore|University of Maryland Medical School]] |accessdate=2009-03-09}}</ref> Castor seed is the source of [[castor oil]], which has a wide variety of uses. The seeds contain between 40% and 60% oil that is rich in [[triglycer

...ropagation|propagation]], the combustible material present, and the effect of weather on the fire.<ref name=UToronto /> ...cial effects on wilderness areas. Some plant species depend on the effects of fire for growth and reproduction,<ref name=NOVA /> although large wildfires