Hardy Kiwi (Actinidia arguta)
History & Introduction In America, the genus Actinidia was extirpated from the continent nearly 80 million years ago due to shifting climates. It was reintroduced in 1877 when Colonel William … Read more
plants
Porcelain-berry (Ampelopsis glandulosa)
History & Introduction Ampelopsis glandulosa (synonym Ampelopsis brevipedunculata), commonly known as porcelain-berry, is a deciduous flowering plant species in the grape family (Vitaceae). It is a woody perennial climbing vine, native … Read more
Cinnamon Vine (Dioscorea polystachya)
History & Introduction Dioscorea polystachya or cinnamon vine is a species of flowering plant in the yam family. It is a perennial climbing vine, native to East Asia, where it … Read more
Partner Spotlight: U.S. Fish and Wildlife Service (USFWS)
When LIISMA staff visited the Sayville subunit of Wertheim National Wildlife Refuge this month with the U.S. Fish and Wildlife Service (USFWS), interns jumped at the chance to identify the … Read more
Notes From the Field, April 2023
By Bill Jacobs The LIISMA team (Bill Jacobs, Abby Bezrutczyk, Melody Penny, and Kassidy Robinson) is happy to report that our 2023 field season is underway. We have a variety … Read more
Giant Reed (Arundo donax)
History & Introduction Arundo donax is a very tall, perennial grass that forms dense stands on disturbed sites, sand dunes, riparian areas and wetlands. Arundo is native to eastern Asia … Read more
Hidden Invasives: How Ornamental Plants Threaten Ecosystems
Did you know that 60% of all invasive plants in the US have horticultural origins1? With thousands of invasive species in the nation, a large proportion of those come from … Read more
Slender Leafy Spurge (Euphorbia virgata)
History & Introduction Slender leafy spurge is a species of spurge native to Europe and Asia but is considered invasive in the United States. The plant was introduced in several … Read more
Partner Spotlight: The Sisters of Saint Joseph
LIISMA is fortunate to be housed at the Sisters of St. Joseph, Brentwood, where ecological stewardship is a top priority on the 212-acre property. Lately, projects underway to remove tree … Read more
Floating Water Primrose (Ludwigia peploides)
History and Introduction L. peploides is an emergent, aquatic perennial species that is native to South and Central America, parts of North America, and likely, Australia. L. peploides was introduced … Read more