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INVASIVE SPECIES - A-Z
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Wild Parsnip
Pastinaca sativa
Wild parsnip is a biennial herb that grows to 2-5 ft. Alternate, compound, branched leaves have serrated edges. First year rosettes have pinnately compound leaves. Adult plants bloom June through August with small, five-petaled, yellow flowers arranged in a flat-topped, broad umbel of 2-6".
Yellow Flag Iris
Iris pseudacorus
Yellow iris is an herbaceous perennial that can grow between 3-4 ft. The broad, lance-shaped leaves are stiff and erect. The yellow, showy flowers bloom from April to June.
Yellow Floating Heart
Nymphoides peltata
Yellow floating heart is an herbaceous aquatic plant that's found rooted in the mud of still bodies of water or in water gardens. More data on this species is needed, so please report it if you see it!
Zebra Mussel
Dreissena polymorpha
Zebra mussels are filter-feeding, freshwater, bivalve mollusks. Zebra mussels are small, ¼” to 1 ½” long, and D-shaped with light and dark brown stripes.