NALMS INVASIVE SPECIES CARDS
These cards are available to all NALMS members free of charge upon request. NALMS will also ship the cards to members of its Affiliate and Non-Profit organization members free of charge. Orders from other sources will assessed a shipping charge. Please allow 5-10 business days for delivery.
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Curly-leaf Pondweed
Curly-leaf Pondweed is an aquarium plant that was accidentally
introduced in the United States. Its leaves are about 3 inches
long, have wavy edges and are reddish-green.
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Eurasian watermilfoil
Eurasian watermilfoil has slender stems and submersed feathery
leaves with tiny flowers produced above the water surface. Leaves
are thread-like, with 9-21 pairs of leaflets per leaf.
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Hydrilla
Hydrilla was brought to the United States as an aquarium plant.
It is fast-growing and has small, serrated leaves that occur in 4
to 8 whorls along the stem.
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Zebra Mussels
Zebra Mussels are small bottom-dwelling mollusks that can reach
up to 2 inches long but are usually under 1 inch in length. They have
a yellowish or brownish shell with alternating light and dark stripes.
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