Invasive Species of Southeast New Hampshire

A short guide to some of the invasive species found in the southeastern corner of New Hampshire (area near Portsmouth).

All 104

reed meadowgrass ¹
Glyceria maxima

Yellow Iris ²
Iris pseudacorus

Japanese stiltgrass ³
Microstegium vimineum

Silver Hairgrass ³
Aira caryophyllea

wild garlic ⁴
Allium vineale

cheatgrass ⁵
Bromus tectorum

Hairy Crabgrass ⁶
Digitaria sanguinalis

common water hyacinth ⁷
Eichhornia crassipes

Quack Grass
Elymus repens

broad-leaved helleborine ⁸
Epipactis helleborine

Fine-leaved Sheep's-fescue ⁹
Festuca filiformis

Chinese silver grass
Miscanthus sinensis

Flattened Meadow-grass ¹⁰
Poa compressa

Wood Meadow-grass ¹¹
Poa nemoralis

Edited by Brendon Barnes, some rights reserved (CC BY-NC)

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