Author: Hannah Ko

  • Toxicodendron radicans

    Common Name(s): Toxicodendron radicans, also known as Eastern Poison Ivy, Poison Ivy, Poison Oak Phonetic Spelling: toks-ee-ko-DEN-dron RAD-ee-kans Description:  Poison ivy, a widespread North American plant, causes itchy rashes through its urushiol oil. Found in various habitats, it can be a shrub or climbing vine with distinctive three-leaf clusters. While beneficial to wildlife, avoid contact as touching, smoke inhalation, or even…

  • Pentachaeta lyonii

    Common Name(s): Pentachaeta lyonii, Lyon’s pentachaeta, Lyon’s pygmydaisy Phonetic Spelling: pen-ta-KEE-ta LIE-on-ee-eye Description:  This is an annual herb of the sunflower family characterized by yellow flower heads that bloom from March through August. It has a thin and hairy stem that can reach up to 48 cm and has elliptical stems spreading wide. They thrive in…