Downtown in Pittsburgh in Allegheny County, Pennsylvania — The American Northeast (Mid-Atlantic)

White Snakeroot

Ageratina alissima

Photographed by Devry Becker Jones (CC0), September 11, 2020

1. White Snakeroot Marker

Inscription. This native herb poisons the meat and milk of cows that graze on its leaves and blooms. Thousands of European-American settlers, including Abraham Lincoln's mother, died from this "milk sickness" before its cause was known.

Topics. This historical marker is listed in these topic lists: Animals • Horticulture & Forestry • Science & Medicine • Women.

Location. 40° 26.449′ N, 80° 0.643′ W. Marker is in Pittsburgh, Pennsylvania, in Allegheny County. It is in Downtown. It is at the intersection of Commonwealth Place and Liberty Avenue, on the left when traveling north on Commonwealth Place. Touch for map. Marker is at or near this postal address: 101 Commonwealth Pl, Pittsburgh PA 15222, United States of America. Touch for directions.

Regionally, this marker is in the American Northeast,

in the Mid-Atlantic,

in the Ohio River Valley,

in Appalachia,

and specifically in Northern Appalachia. Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Viceroyalty of New France,

the Haudenosaunee (Iroquois) Confederacy,

and one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Welcome to Point State Park (within shouting distance of this marker); False Solomon's Seal (within shouting distance of this marker); The Venango Path (within shouting distance of this marker); Edith Darlington Ammon (within shouting distance of this marker); The Site of Fort Pitt (within shouting distance of this marker); Fort Duquesne (about 300 feet away, measured in a direct line); Forks of the Ohio Fort Pitt Blockhouse

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(about 300 feet away); Revolutionary War Patriots (about 300 feet away). Touch for a list and map of all markers in Pittsburgh.

Another marker is no longer nearby. Forbes Road (was about 300 feet away but has been permanently removed).

Photographed by Devry Becker Jones (CC0), September 11, 2020

2. White Snakeroot Marker

Credits. This page was last revised on February 2, 2023. It was originally submitted on September 15, 2020, by Devry Becker Jones of Washington, District of Columbia. This page has been viewed 242 times since then and 10 times this year. Photos: 1, 2. submitted on September 15, 2020, by Devry Becker Jones of Washington, District of Columbia.