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tier 2

Cutleaf Teasel (Dipsacus laciniatus)

October 15, 2025 by Emma Diaz

Common names: Cutleaf teasel, Cut-leaved teasel,  Family: Dipsacaceae Life form: Biennial forb History & Introduction Cutleaf teasel is native to Europe and temperate parts of Asia. Although no stranger to … Read more

Categories Invasive Species Spotlight, Portfolio, Tier 2 Tags terrestrial, tier 2

Japanese Chaff Flower (Achyranthes japonica)

September 22, 2025 by AbbyB

Common names: Japanese chaff flower, chaff flower,  Family: Amaranthaceae  Life form: Perennial herb   History & Introduction Chaff flower was first reported in the United States in 1981, where it … Read more

Categories Invasive Species Spotlight, Portfolio, Tier 2 Tags terrestrial, tier 2

Johnson Grass (Sorghum halepense)

August 27, 2025August 20, 2025 by Emma Diaz

Common names: Johnson grass, Johnsongrass Family: Poaceae Life form: Perennial grass   History & Introduction Johnson grass was originally a Mediterranean grass, native to parts of Europe, Africa, and Turkey … Read more

Categories Invasive Species Spotlight, Portfolio, Tier 2 Tags terrestrial, tier 2

Kurinso, Japanese Primrose (Primula japonica)

June 22, 2025 by Emma Diaz

Common Names: Kurinso, Japanese Primrose, Candelabra primrose, Valley Red, Japanese Cowslip, Queen of Primroses Family: Primulaceae Life form: Perennial forb History & Introduction Kurinso derives its name from its native … Read more

Categories Invasive Species Spotlight, Portfolio, Tier 2 Tags terrestrial, tier 2

Yellow Garden Loosestrife (Lysimachia vulgaris)

March 27, 2025February 24, 2025 by AbbyB

History and Introduction Yellow garden loosestrife is native to Eurasia, and is considered rare in parts of Bulgaria. It was introduced to the United States through the horticulture trade as … Read more

Categories Invasive Species Spotlight, Portfolio, Tier 2 Tags ISS, plants, tier 2

Plume Poppy (Macleaya cordata)

January 24, 2025 by Melody Penny

History & Introduction Macleaya cordata, commonly referred to as plume poppy, is a native species to Japan, eastern China, and parts of Taiwan. In China, the plant is used as … Read more

Categories Portfolio, Tier 2 Tags tier 2

Water lettuce (Pistia stratoites)

March 27, 2025September 24, 2024 by Melody Penny

History & Introduction Water lettuce (Pistia stratiotes) is an invasive freshwater species known for its ability to create dense surface mats in aquatic ecosystems. This plant poses significant threats to … Read more

Categories Invasive Species Spotlight, Portfolio, Tier 2 Tags Aquatic, ISS, tier 2

Scotch Broom (Cytisus scoparius)

January 19, 2024 by Melody Penny

History & Introduction Cytisus scoparius or Scotch broom, is a deciduous, leguminous shrub, native to central and western Europe, and northern Africa. It was first introduced to North America on … Read more

Categories Invasive Species Spotlight, Portfolio, Tier 2 Tags plants, terrestrial, tier 2

Ravenna Grass (Tripidium ravennae)

November 22, 2023 by Kassidy Robinson

History & Introduction A native of the Mediterranean, Ravenna grass is named after the town of Ravenna, Italy. It was introduced to the U.S. as an ornamental plant, as early … Read more

Categories EDRR, Invasive Species Spotlight, Portfolio, Tier 2 Tags plants, terrestrial, tier 2

2023 Season Highlights: LIISMA Early Detection and Rapid Response

November 20, 2023 by Melody Penny

LIISMA has been hard at work with an eventful first year with a newly introduced Early Detection and Rapid Response (EDRR) team. We prioritize our work in two ways: by … Read more

Categories From the Field, News Tags from the field, plants, terrestrial, tier 1, tier 2
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