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Quiet Invasion: Invasive Plants & Animals of the Houston Galveston Region & Upper Texas Coast

The species listed in this field guide are identified by the Houston Advanced Research Center (HARCresearch.org) as current or potential invasive species (plants and animals) in the Houston-Galveston region, Lower Galveston Bay Watershed and Upper Texas Coast. For more information, visit ...more ↓

All 111
Invasive or native
Invasive 111

African Cluster Bug ¹
Agonoscelis puberula

air potato ²
Dioscorea bulbifera

Alligator weed ³
Alternanthera philoxeroides

Italian Ryegrass ⁴
Lolium multiflorum

Argentine Ant ⁵
Linepithema humile

Grass Carp ⁶
Ctenopharyngodon idella

Bighead Carp ⁷
Hypophthalmichthys nobilis

Silver Carp ⁸
Hypophthalmichthys molitrix

Black Carp ⁸
Mylopharyngodon piceus

Asian Long-horned Beetle ⁹
Anoplophora glabripennis

Asian Shore Crab ¹⁰
Hemigrapsus sanguineus

Belut ¹¹
Monopterus albus

Asian Tiger Mosquito ¹²
Aedes albopictus

Australian Spotted Jellyfish ¹³
Phyllorhiza punctata

Bahia grass ¹⁴
Paspalum notatum

Balloon Vine ¹⁵
Cardiospermum halicacabum

Common Bed Bug ¹⁶
Cimex lectularius

Brazilian pepper tree ¹⁷
Schinus terebinthifolius

Brazilian Vervain ¹⁸
Verbena brasiliensis

Perna viridis
Perna perna

Bushkiller ¹⁹
Cayratia japonica

Cactus Moth ²⁰
Cactoblastis cactorum

Castor Oil Plant ²¹
Ricinus communis

Chinaberry ²²
Melia azedarach

Cipangopaludina chinensis malleata ⁸

Chinese Elm ²³
Ulmus parvifolia

Chinese Mitten Crab ²⁴
Eriocheir sinensis

Chinese privet ²⁵
Ligustrum sinense

Japanese Privet ²⁶
Ligustrum japonicum

Quihoui privet ²⁷
Ligustrum quihoui

Glossy Privet ²⁸
Ligustrum lucidum

Chinese Tallow ²⁹
Triadica sebifera

Chinese wisteria ³⁰
Wisteria sinensis

Cogon Grass ³¹
Imperata cylindrica

Common Water Hyacinth ³²
Eichhornia crassipes

anchored water hyacinth ³³
Eichhornia azurea

Brown Anole ³⁴
Anolis sagrei

Deep-Rooted Sedge ³⁵
Cyperus entrerianus

Taro ³⁶
Colocasia esculenta

Emerald Ash Borer ³⁷
Agrilus planipennis

Eurasian Collared Dove ³⁸
Streptopelia decaocto

Eurasian Water-milfoil ³⁹
Myriophyllum spicatum

Green Shore Crab ²⁴
Carcinus maenas

Carcinus aestuarii ⁴⁰

European Starling ⁴¹
Sturnus vulgaris

Wild Boar ⁴²
Sus scrofa

Formosan subterranean termite ¹⁴
Coptotermes formosanus

Island Applesnail ⁴³
Pomacea insularum

Spirodela oligorrhiza

Giant Ramshorn Snail ⁴⁴
Marisa cornuarietis

giant reed ⁴
Arundo donax

fishpole bamboo ²⁹
Phyllostachys aurea

goldenrain tree ⁴⁵
Koelreuteria paniculata

guinea grass ⁴⁶
Urochloa maxima

Hedge Bindweed ⁴⁷
Calystegia sepium

Hydrilla ⁴⁸
Hydrilla verticillata

Indo-Pacific Swimming Crab ⁴⁹
Charybdis hellerii

Japanese Climbing Fern ⁵⁰
Lygodium japonicum

Cuscuta japonica ⁵¹

Japanese honeysuckle ⁵²
Lonicera japonica

Johnson grass ⁵³
Sorghum halepense

Sheda Grass ⁴
Dichanthium annulatum

Angleton Bluestem ⁵⁴
Dichanthium aristatum

Bothriochloa ischaemum var. songarica
Bothriochloa ischaemum songarica

Kudzu ⁵⁵
Pueraria montana

common lantana ⁵⁶
Lantana camara

Lilac chaste tree ²³
Vitex agnus-castus

Macartney's rose ⁵⁷
Rosa bracteata

Broad-leaved Paperbark ²⁸
Melaleuca quinquenervia

Persian Silk Tree ⁵⁸
Albizia julibrissin

Monk Parakeet ⁵⁹
Myiopsitta monachus

multiflora rose ⁶⁰
Rosa multiflora

Muscovy Duck ⁶¹
Cairina moschata

Heavenly bamboo ²⁵
Nandina domestica

New Zealand Mudsnail ⁶²
Potamopyrgus antipodarum

Nutria ⁶³
Myocastor coypus

Climbing Maidenhair ²
Lygodium microphyllum

Colossoma sp. ⁶⁴
Colossoma

Piaractus sp. ⁶⁵
Piaractus

Pampas Grass ⁶⁶
Cortaderia selloana

Pharaoh's Ant ⁵
Monomorium pharaonis

Purple-loosestrife ⁶⁷
Lythrum salicaria

Quilted Melania ⁶⁸
Tarebia granifera

scarlet sesban ⁶⁹
Sesbania punicea

Red Imported Fire Ant ⁷⁰
Solenopsis invicta

Common Lionfish ⁷¹
Pterois volitans

Melanoides tuberculatus ⁷²
Melanoides tuberculata

redtail catfish ⁷³
Phractocephalus hemioliopterus

Red-vented Bulbul ⁷⁴
Pycnonotus cafer

saltcedar ⁷⁵
Tamarix ramosissima

Zoobotryon verticillatum ⁷⁶

Nassella Tussock ⁷⁷
Nassella trichotoma

Cichla sp. ⁷⁸
Cichla

Cichlasoma sp. ⁷⁹
Cichlasoma

Common Plecostomus ⁸⁰
Hypostomus plecostomus

Pterygoplichthys anisitsi ⁸

Pacific Oyster ⁸¹
Crassostrea gigas

Tawny Crazy Ant ⁸²
Nylanderia fulva

giant tiger prawn ⁸³
Penaeus monodon

Sarotherodon sp. ⁸⁴
Sarotherodon

Edited by Lisa Gonzalez, and HARC-Houston Advanced Research Center, some rights reserved (CC BY-SA)

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Quiet Invasion: Invasive Plants & Animals of the Houston Galveston Region & Upper Texas Coast

African Cluster Bug 1 Agonoscelis puberula

air potato 2 Dioscorea bulbifera

Alligator weed 3 Alternanthera philoxeroides

Italian Ryegrass 4 Lolium multiflorum

Argentine Ant 5 Linepithema humile

Grass Carp 6 Ctenopharyngodon idella

Bighead Carp 7 Hypophthalmichthys nobilis

Silver Carp 8 Hypophthalmichthys molitrix

Black Carp 8 Mylopharyngodon piceus

Asian Long-horned Beetle 9 Anoplophora glabripennis

Asian Shore Crab 10 Hemigrapsus sanguineus

Belut 11 Monopterus albus

Asian Tiger Mosquito 12 Aedes albopictus

Australian Spotted Jellyfish 13 Phyllorhiza punctata

Bahia grass 14 Paspalum notatum

Balloon Vine 15 Cardiospermum halicacabum

Common Bed Bug 16 Cimex lectularius

Brazilian pepper tree 17 Schinus terebinthifolius

Brazilian Vervain 18 Verbena brasiliensis

Perna viridis Perna perna

Bushkiller 19 Cayratia japonica

Cactus Moth 20 Cactoblastis cactorum

Castor Oil Plant 21 Ricinus communis

Chinaberry 22 Melia azedarach

Cipangopaludina chinensis malleata 8

Chinese Elm 23 Ulmus parvifolia

Chinese Mitten Crab 24 Eriocheir sinensis

Chinese privet 25 Ligustrum sinense

Japanese Privet 26 Ligustrum japonicum

Quihoui privet 27 Ligustrum quihoui

Glossy Privet 28 Ligustrum lucidum

Chinese Tallow 29 Triadica sebifera

Chinese wisteria 30 Wisteria sinensis

Cogon Grass 31 Imperata cylindrica

Common Water Hyacinth 32 Eichhornia crassipes

anchored water hyacinth 33 Eichhornia azurea

Brown Anole 34 Anolis sagrei

Deep-Rooted Sedge 35 Cyperus entrerianus

Taro 36 Colocasia esculenta

Emerald Ash Borer 37 Agrilus planipennis

Eurasian Collared Dove 38 Streptopelia decaocto

Eurasian Water-milfoil 39 Myriophyllum spicatum

Green Shore Crab 24 Carcinus maenas

Carcinus aestuarii 40

European Starling 41 Sturnus vulgaris

Wild Boar 42 Sus scrofa

Formosan subterranean termite 14 Coptotermes formosanus

Island Applesnail 43 Pomacea insularum