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The species, also known commonly as a clown featherback fish, occurs in Thailand, Lao PDR, Viet Nam, and Cambodia. It has been introduced to Myanmar and the Philippines for aquaculture. Juveniles are popular in the aquarium trade and large fish are popular for public aquaria. In some parts of the Philippines, its introduction is wreaking havoc on the local fishing industry.
Chitala ornata (Clown knifefish)
Giant salvinia is an aquatic fern, native to south-eastern Brazil. It is a free floating plant that remains buoyant on the surface of a body of water, and is known for its capability to take over large bodies of slow-moving fresh water. The rapid growth rate of Giant Salvinia has resulted in its classification as an invasive weed in some parts of the world such as Australia, United Kingdom, New Zealand, and parts of America.
Salvinia molesta (Giant Salvinia)
Hymenachne was introduced into northern Queensland, Australia in the 1970s to use in ponded pastures. It escaped cultivation a few years after its release in 1988. It is spreading throughout the tropical wetlands of northern Australia and is most common in the coastal wetlands of northern Queensland and the Northern Territory.
Hymenachne amplexicaulis (Olive hymenachne)
Japanese stiltgrass (Microstegium vimineum) is an invasive species at Shenandoah National Park. Shenandoah National Park, VA.
Microstegium vimineum (Japanese Stiltgrass)
Cover crops sprayed with Round Up (yellow-green) and not sprayed (bright green), West Fork of Langford Creek in background
Herbicide Use in Land Management
Cover crops sprayed with Round Up (yellow-green) and not sprayed (bright green), West Fork of Langford Creek in background
Herbicide Use in Land Management
Illustration of Japanese stiltgrass
Microstegium vimineum 2 (Japanese Stiltgrass)
Illustration of Dactylis glomerata (Orchard Grass)
Dactylis glomerata (Orchard Grass)
Illustration of Miconia calvescens (Bush Currant)
Miconia calvescens (Bush Currant)
Codium fragile, or 'Dead Man's Fingers' is a seaweek invasive to the northwest Atlantic
Dead man's fingers (Codium fragile)
Illustration of Acer platanoides (Norway Maple)
Acer platanoides (Norway Maple)
Illustration of Alliaria petiolata (Garlic Mustard)
Alliaria petiolata (Garlic Mustard)
Illustration of Berberis thunbergii (Japanese Barberry)
Berberis thunbergii (Japanese Barberry)
Illustration of Cirsium arvense (Creeping Thistle)
Cirsium arvense (Creeping Thistle)
Illustration of crew member performing exotic plant management
Exotic plant management: crew member
Illustration of Rosa multiflora (Multiflora Rose)
Rosa multiflora (Multiflora Rose)
Illustration of Verbascum thapsus (Common Mullein)
Verbascum thapsus (Common Mullein)
Illustration of Lythrum salicaria (Purple Loosestrife)
Lythrum salicaria (Purple Loosestrife)
Illustration of Bidens spp. (Bur-marigold)
Bidens spp. (Bur-marigold)
Illustration of Peltandra virginica (Green Arrow Alum)
Peltandra virginica (Green Arrow Alum)
Illustration of Casuarina spp. (Casuarina)
Casuarina spp. (Casuarina)
During the 17th century, African green monkeys (Chlorocebus sabaeus) were brought to the island of St Kitts, West Indies from Africa and are now considered an evolutionarily separate species. While enjoyed by tourists, their large numbers can cause problems with habitat destruction and possible water contamination.
Green monkey of St. Kitts
During the 17th century, African green monkeys (Chlorocebus sabaeus) were brought to the island of St Kitts, West Indies from Africa and are now considered an evolutionarily separate species. While enjoyed by tourists, their large numbers can cause problems with habitat destruction and possible water contamination.
Green monkey of St. Kitts
Illustration of Centaurea solstitialis (Yellow Starthistle)
Centaurea solstitialis (Yellow Starthistle)
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