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  1. Conium maculatum - Wikipedia

    Conium maculatum, commonly known as hemlock (British English) or poison hemlock (in North America), is a highly poisonous flowering plant in the carrot family Apiaceae.

  2. Hemlock | Taxonomy, Description, Species, & Facts | Britannica

    Hemlock, any of about 14 species of coniferous evergreen trees comprising the genus Tsuga of the family Pinaceae, native to North America and central and eastern Asia. Some are important timber …

  3. What is a Hemlock Tree and Why It Matters for Our Ecosystem

    Apr 20, 2025 · Hemlock trees belong to the genus Tsuga and include species like the Eastern hemlock (Tsuga canadensis) and Western hemlock (Tsuga heterophylla). They are distinctive for their tall …

  4. How to Identify and Remove Poison Hemlock - The Spruce

    Apr 6, 2025 · The bloom time of poison hemlock varies greatly from year to year depending on weather conditions. Between May and August, white flower clusters, either flat-topped or slightly convex like …

  5. Exotic Species: Poison Hemlock - U.S. National Park Service

    Native to Europe, western Asia, and North America, poison hemlock (Conium maculatum) is now naturalized in almost every state in the United States. It was introduced in the 1800s as a garden …

  6. Hemlock Tree: Graceful Evergreen with Unique Ecological Value

    Hemlock trees are any of the 8-10 species of medium- to large-sized evergreen conifers that belong to the genus Tsuga of the subfamily Abietoideae. These graceful conifers are named hemlock because …

  7. Western Hemlock | Silvics of North America

    Dec 1, 1990 · Western hemlock (Tsuga heterophylla), also called Pacific hemlock and west coast hemlock, thrives in humid areas of the Pacific coast and northern Rocky Mountains.

  8. Hemlock Poisoning: Symptoms, Treatment, and Prevention

    Feb 27, 2018 · Hemlock is a poisonous plant that can kill you. There is no cure. Learn how to prevent hemlock poisoning, including identifying it by its white flowers and purple spots.

  9. Hemlock Poisoning: Symptoms, Treatment & Prevention - Cleveland Clinic

    Poison hemlock (Conium maculatum) is a highly toxic plant that’s a member of the carrot family. It’s commonly mistaken for wild carrot, wild parsnip or wild parsley.

  10. 16 Types of Hemlock Trees – Identification Guide

    Mar 19, 2025 · Hemlock trees are a group of evergreen conifers that grace forests and landscapes with their timeless elegance. Known for their soft, feathery needles and gracefully drooping branches, …