Invasive Plants of Maryland

This guide is sourced from:

• The Maryland Native Plant Society's Invasive Handbook (https://www.mdflora.org/Resources/Publications/invasiveshandbook_color.pdf)
• The ...more ↓

Rough-Seed Bulrush ¹
Schoenoplectus mucronatus

Japanese Sedge ²
Carex kobomugi

Japanese Stiltgrass ³
Microstegium vimineum

Chinese Silver Grass ⁴
Miscanthus sinensis

Small Carpetgrass ⁵
Arthraxon hispidus

Itchgrass ⁶
Rottboellia cochinchinensis

Wavyleaf Basketgrass ⁷
Oplismenus undulatifolius

Bambusa ⁸

Golden Bamboo ⁹
Bambusa vulgaris

Arrow Bamboo ⁷
Pseudosasa japonica

Pygmy Bamboo ¹⁰
Pleioblastus fortunei

Fishpole Bamboo ¹¹
Phyllostachys aurea

Yellow Groove Bamboo ¹²
Phyllostachys aureosulcata

Giant Timber Bamboo ¹³
Phyllostachys bambusoides

Giant Foxtail ¹⁴
Setaria faberi

Bent Grass ¹⁵
Agrostis

Velvet Bent ¹⁶
Agrostis canina

Colonial Bent ¹⁷
Agrostis capillaris

Annual Meadow-grass ¹⁸
Poa annua

Rough Meadow-grass ¹⁹
Poa trivialis

Thunberg's Brome ²⁰
Bromus japonicus

Drooping Brome ²⁰
Bromus tectorum

Quack Grass ²⁰
Elymus repens

Yorkshire Fog ²¹
Holcus lanatus

African Love Grass ²²
Eragrostis curvula

Tall Fescue ²³
Festuca arundinacea

Meadow Fescue ²⁴
Festuca pratensis

Reed Canary Grass ²⁵
Phalaris arundinacea

Timothy ²⁶
Phleum pratense

Bermuda Grass ²⁷
Cynodon dactylon

Sorghum ²⁸
Sorghum bicolor

Johnson Grass ²³
Sorghum halepense

Reed Meadowgrass ²⁹
Glyceria maxima

Giant Reed ³⁰
Arundo donax

Common Reed ³¹
Phragmites australis

Goose Grass ³²
Eleusine indica

Cogon Grass ³³
Imperata cylindrica

Ravenna Grass ²⁰
Saccharum ravennae

Narrow-leaved Cattail ³⁴
Typha angustifolia

Hybrid Bulrush ³⁵
Typha × glauca

Broad-leaved Helleborine ³⁶
Epipactis helleborine

Spanish Bluebell ³⁷
Hyacinthoides hispanica

Drooping Star-of-Bethlehem ³⁸
Ornithogalum nutans

Common Star-of-Bethlehem ³⁹
Ornithogalum umbellatum

Yellow Iris ⁴⁰
Iris pseudacorus

Wild Garlic ³²
Allium canadense

Onion Grass ⁴¹
Allium vineale

Summer Snowflake ¹⁸
Leucojum aestivum

Orange Day-lily ⁴²
Hemerocallis fulva

Italian Arum ⁴³
Arum italicum

Brazilian Waterweed ⁴⁴
Egeria densa

Hydrilla ⁴⁵
Hydrilla verticillata

Brittle Naiad ⁴⁶
Najas minor

European Frog-bit ⁴⁷
Hydrocharis morsus-ranae

Crisp-leaved Pondweed ⁴⁸
Potamogeton crispus

Marsh Dewflower ⁴⁹
Murdannia keisak

Anchored Water Hyacinth ⁵⁰
Eichhornia azurea

Common Water Hyacinth ⁵¹
Eichhornia crassipes

Dioscorea oppositifolia ⁵²

Chinese Yam ⁵³
Dioscorea polystachya

Sweet-Flag ⁵⁴
Acorus calamus

Edited by Kate Wagner, some rights reserved (CC0)

Photo Credits

1. (c) Affan Nasaruddin, some rights reserved (CC BY-NC), uploaded by Affan Nasaruddin
2. (c) self, some rights reserved (CC BY-SA)
3. (c) botanygirl, some rights reserved (CC BY), uploaded by botanygirl
4. (c) Miya.m, some rights reserved (CC BY-SA)
5. (c) josh_rudder, some rights reserved (CC BY-NC), uploaded by josh_rudder
6. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
7. (c) harum.koh, some rights reserved (CC BY-SA), uploaded by harum.koh
8. (c) Forest and Kim Starr, some rights reserved (CC BY)
9. (c) DavidR.808, some rights reserved (CC BY-NC), uploaded by DavidR.808
10. (c) pépiniériste 85, some rights reserved (CC BY-NC-SA)
11. (c) KENPEI, some rights reserved (CC BY-SA)
12. (c) Michael Skvarla, some rights reserved (CC BY-NC-SA), uploaded by Michael Skvarla
13. (c) Hectonichus, some rights reserved (CC BY-SA)
14. (c) Priyantha Wijesinghe, some rights reserved (CC BY-NC), uploaded by Priyantha Wijesinghe
15. (c) Jane Gosden, some rights reserved (CC BY-NC), uploaded by Jane Gosden
16. (c) Juha Tuomola, some rights reserved (CC BY-NC), uploaded by Juha Tuomola
17. (c) Jon Sullivan, some rights reserved (CC BY)
18. (c) AnneTanne, some rights reserved (CC BY-NC-SA)
19. (c) James K. Lindsey, some rights reserved (CC BY-SA)
20. (c) Matt Lavin, some rights reserved (CC BY-SA)
21. (c) Susan J. Hewitt, some rights reserved (CC BY-NC), uploaded by Susan J. Hewitt
22. (c) Forest & Kim Starr, some rights reserved (CC BY)
23. (c) Harry Rose, some rights reserved (CC BY)
24. (c) John B., some rights reserved (CC BY)
25. (c) Aaron Ellig, some rights reserved (CC BY-ND), uploaded by Aaron Ellig
26. (c) John Boback, some rights reserved (CC BY-NC), uploaded by John Boback
27. (c) IRRI Images, some rights reserved (CC BY-NC-SA)
28. (c) Peter Hanegraaf, some rights reserved (CC BY-NC-ND)
29. (c) Cliff, some rights reserved (CC BY)
30. (c) hikingsandiego, some rights reserved (CC BY-NC), uploaded by hikingsandiego
31. (c) 2006 Luigi Rignanese, some rights reserved (CC BY-NC)
32. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
33. (c) Michael P. Riggs, some rights reserved (CC BY-NC), uploaded by Michael P. Riggs
34. (c) Joseph D Kurtz, some rights reserved (CC BY-NC), uploaded by Joseph D Kurtz
35. (c) eknuth, some rights reserved (CC BY-NC), uploaded by eknuth
36. (c) AnneTanne, some rights reserved (CC BY-NC)
37. (c) mmn_noriko, some rights reserved (CC BY-NC), uploaded by mmn_noriko
38. (c) Jodi Bucknam, some rights reserved (CC BY-NC), uploaded by Jodi Bucknam
39. (c) Hannah Blumenfeld, some rights reserved (CC BY-SA), uploaded by Hannah Blumenfeld
40. (c) Rita Willaert, some rights reserved (CC BY-NC)
41. (c) Jason Sturner, some rights reserved (CC BY)
42. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
43. (c) James Gaither, some rights reserved (CC BY-NC-ND)
44. (c) 2009 Barry Rice, some rights reserved (CC BY-NC-SA)
45. (c) Reinaldo Aguilar, some rights reserved (CC BY-NC-SA)
46. (c) Chesapeake Bay Program, some rights reserved (CC BY-NC)
47. (c) Michael, some rights reserved (CC BY-NC), uploaded by Michael
48. (c) jniehaus, some rights reserved (CC BY-NC), uploaded by jniehaus
49. (c) Suzanne Cadwell, some rights reserved (CC BY-NC)
50. (c) Bernard DUPONT, some rights reserved (CC BY-SA)
51. (c) Gustavo DurÃ¡n, some rights reserved (CC BY-NC-SA)
52. (c) Dinesh Valke, some rights reserved (CC BY-NC-ND)
53. (c) Allen Dupre, some rights reserved (CC BY-NC), uploaded by Allen Dupre
54. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)

Member of the iNaturalist Network | Powered by iNaturalist open source software | Documentation for developers