Here are the deadly two dozen from Petersons " Edible Wild Plants " .
Over a hundred poison listed but these are the ones with confirmed fatalities . Worth noting that some of them have edible portions but also poison like .....Black Locust , Pokeweed , Common Tansey and Wild Cherry .
Im trying to memorize these and also photograph them so they will burn in my memory . Admittedly there are two funghi , Ergot and Mushrooms .
American Yew
Azalea
Bane berries
Black Locust
Canada Moonseed
Castor Bean
Common Tansey
Ergot
False Hellebore
Horse Chesnut ( Buckeye)
Jimson Weed
Laurel
Mistletoe
Monks Hood
Mushrooms
Nightshades
Poison Hemlock
Poke weed
Rhodedendron
Water Hemlock
White Snakeroot
Wild Cheeries
Yellow Jessamine
woodsmith was nice enough to add the scientific names and links to my humble list .
American Yew - Taxus canadensis
Azalea - Rhododendron spp (spp is the abbreviation for species, there are several species with the same common name and all are poisonous), Azalea genus
Bane berries - Actaea rubra
Black Locust - Robinia pseudoacacia
Canada Moonseed - Menispermum canadense
Castor Bean - Ricinus communis
Common Tansey - Tanacetum vulgare
Ergot - Claviceps spp (around 50 species, C. purpurea is the most well known)
False Hellebore - Veratrum viride
Horse Chesnut ( Buckeye) - Aesculus spp (6 species native to North America, ranging from shrubs to tress. Aesculus glabra is the Ohio Buckeye)
Jimson Weed - Datura stramonium
Laurel - some species of true laurel are not poisonous, however, the common name has come to refer to any plant that has leaves similar to a bay laurel or that was used to make laurel wreaths. Mountain laurel (Kalmia latifolia) is native and very toxic, cherry laurel (Prunus laurocerasus) is an imported species that is also poisonous.
Mistletoe - again, this is a common name used for unrelated species. Phoradendron spp is the genus native to the americas.
Monks Hood - can refer to over 250 species of flowering plants in the Aconitum genus.
Mushrooms - Fungi contain some of the most poisonous organisms in the world, too large a group to really go into.
Nightshades - usually used to refer to the entire Solanaceae genus, includes flowering shrubs, plants, and vines. Tomatoes and potatoes are in this genus. If it looks like a tomato plant but it's not in your garden...don't eat it.
Poison Hemlock - Conium maculatum, many other names
Poke weed - Phytolacca americana, parts of the plant are highly toxic
Rhodedendron - Rhododendron, genus of over 1000 species, many of which contain toxic compounds. Azaleas are related to this genus.
Water Hemlock - Cicuta spp, small genus of 4 toxic species
White Snakeroot - Ageratina altissima
Wild Cherries - Prunus avium (all parts except ripe fruit slightly toxic)
Yellow Jessamine - Gelsemium sempervirens[/
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