This page shows the live summary of invasive plants that have been reported from around the country. Results usually updated every few minutes, but may be more delayed for records that we need to check.

Frequent plants

1
41
Impatiens glandulifera “Himalayan Balsam”
2
36
Reynoutria japonica “Japanese Knotweed”
3
28
Pentaglottis sempervirens “Green Alkanet”
4
23
Leycesteria formosa “Himalayan Honeysuckle”
5
20
Allium triquetrum “Three-cornered Garlic”
6
17
Anemone × ⁠hybrida “Japanese Anemone”
7
16
Pilosella aurantiaca “Fox-and-cubs”
16
Houttuynia cordata “Fish-plant”
9
14
Heracleum mantegazzianum “Giant Hogweed”
10
12
Lamiastrum galeobdolon subsp. argentatum
11
11
Crocosmia “Montbretias”
12
10
Buddleja davidii “Butterfly-bush”
10
Oxalis corniculata “Procumbent Yellow-sorrel”
14
9
Symphoricarpos albus “Snowberry”
9
Verbena bonariensis “Argentinian Vervain”
9
Carex pendula “Pendulous Sedge”
9
Centranthus ruber “Red Valerian”
9
Soleirolia soleirolii “Mind-your-own-business”
19
8
Lysichiton americanus “American Skunk-cabbage”
8
Erigeron karvinskianus “Mexican Fleabane”

627 surveys have been received

313 species have been recorded

983 unique records have been sent

Click on the markers to view the plant records that have been sent in so far.

Mapped locations are approximate and do not correspond to precise survey sites.