Poisonous & Toxic Species
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Common Asparagus Fern
Asparagus setaceus (Kunth) Jessop
Asparagus setaceus is a scrambling evergreen perennial native to Southern Africa, widely cultivated as an ornamental, with toxic berries.
Branched Asphodel
Asphodelus ramosus L.
Asphodelus ramosus L. is a toxic geophyte with traditional folk medicinal and practical uses.
Two-grooved Milkvetch
Astragalus bisulcatus (Hook.) A.Gray
Astragalus bisulcatus is a selenium-accumulating herbaceous perennial that causes toxic poisoning in grazing livestock.
Canadian milkvetch
Astragalus canadensis L.
Astragalus canadensis is a secure perennial North American milkvetch used by wildlife and historically by Native Americans.
Scarlet Milkvetch
Astragalus coccineus (Parry) Brandegee
Astragalus coccineus is a vulnerable toxic perennial herb with scarlet flowers native to southwestern North American desert mountains.
Timber Milkvetch
Astragalus miser Douglas ex Hook.
Astragalus miser, or timber milkvetch, is a toxic perennial locoweed native to most of western North America.
southern sassafras
Atherosperma moschatum Labill.
Atherosperma moschatum, black sassafras, is an Australian evergreen tree that hosts lichens, with nutmeg-scented leaves.
Neem
Azadirachta indica A.Juss.
Azadirachta indica, the neem tree, is a drought-tolerant tropical tree with a long history of traditional human uses.
groundsel tree
Baccharis halimifolia L.
Baccharis halimifolia L. is a salt-tolerant fall-flowering wetland shrub with toxic seeds, used in cultivation and traditional medicine.
Chilca
Baccharis latifolia (Ruiz & Pav.) Pers.
Baccharis latifolia is a species in the large Asteraceae genus Baccharis, with ecological roles and human uses like windbreaks and honey production.
Wallum banksia
Banksia aemula R.Br.
Banksia aemula (wallum banksia) is an Australian east coast proteaceous shrub or small tree adapted to sandy low-nutrient soils.
Scarlet Banksia
Banksia coccinea R.Br.
Banksia coccinea, or scarlet banksia, is an attractive Western Australian banksia grown widely for horticulture and cut flowers.
tall blue wild indigo
Baptisia australis (L.) R.Br.
Baptisia australis is an herbaceous perennial wildflower grown as a popular ornamental garden plant with documented traditional uses and potential toxicity.
longbract wild indigo
Baptisia bracteata Muhl. ex Elliott
Baptisia bracteata is a bushy herbaceous plant native to central and eastern US, poisonous to mammalian herbivores.
Berberis empetrifolia Lam.
Berberis empetrifolia Lam.
Berberis empetrifolia, or heath barberry, is a low South American shrub with edible berries and medicinal rhizomes.
Beetberry
Blitum capitatum L.
Blitum capitatum (strawberry blite) is an edible annual plant native to most of North America, also found in parts of Europe and New Zealand.
Poison-bulb
Boophone disticha (L.f.) Herb.
Boophone disticha is a bulbous African plant used in traditional medicine and as arrow poison, with tumbleweed fruiting heads.
Borage
Borago officinalis L.
Borago officinalis (borage) is a Mediterranean herb grown for culinary, medicinal, and oilseed use, and contains toxic pyrrolizidine alkaloids.
Rangiora
Brachyglottis repanda J.R.Forst. & G.Forst.
Brachyglottis repanda, or rangiora, is a poisonous endemic New Zealand small tree or shrub with a variety of traditional and historical uses.
officinal breynia
Breynia vitis-idaea (Burm.f.) C.E.C.Fisch.
Breynia vitis-idaea (officinal breynia) is an Asian perennial shrub/treelet that causes hepatocellular liver injury when poisoning occurs.
Golden Angel's Trumpet
Brugmansia aurea Lagerh.
Brugmansia aurea, the golden angel's trumpet, is an extinct-in-the-wild Ecuadorian ornamental poisonous plant with hallucinogenic uses.
Red Angel's Trumpet
Brugmansia sanguinea (Ruiz & Pav.) D.Don
Brugmansia sanguinea is an Andean poisonous small tree with colorful pendent trumpet-shaped flowers.
night bells
Brugmansia suaveolens (Humb. & Bonpl. ex Willd.) Bercht. & J.Presl
Brugmansia suaveolens is a toxic, ornamental flowering shrub or small tree with ritual and medicinal uses native to southeast Brazil.
orange mangrove
Bruguiera gymnorhiza (L.) Lam.
Bruguiera gymnorhiza is a coastal mangrove tree with a wide native Indo-Pacific range, used for wood, food, and medicine.
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