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Green Alkanet
Pentaglottis sempervirens
317 observations
garlic mustard
Alliaria petiolata
295 observations
lesser celandine
Ficaria verna
263 observations
Cuckoo-pint
Arum maculatum
260 observations
common yarrow
Achillea millefolium
245 observations
White deadnettle
Lamium album
245 observations
Herb Robert
Geranium robertianum
245 observations
red campion
Silene dioica
243 observations
greater stitchwort
Rabelera holostea
241 observations
ground-ivy
Glechoma hederacea
236 observations
wild teasel
Dipsacus fullonum
218 observations
Germander Speedwell
Veronica chamaedrys
217 observations
Cow Parsley
Anthriscus sylvestris
215 observations
European black elderberry
Sambucus nigra
214 observations
Common Mallow
Malva sylvestris
211 observations
great stinging nettle
Urtica dioica
206 observations
hogweed
Heracleum sphondylium
205 observations
red deadnettle
Lamium purpureum
201 observations
Lawn daisy
Bellis perennis
189 observations
bird's-foot trefoil
Lotus corniculatus
177 observations
creeping thistle
Cirsium arvense
173 observations
pyramidal orchid
Anacamptis pyramidalis
169 observations
bittersweet nightshade
Solanum dulcamara
167 observations
European holly
Ilex aquifolium
161 observations
Wood Avens
Geum urbanum
161 observations
Cowslip
Primula veris
160 observations
Great Willowherb
Epilobium hirsutum
156 observations
Cuckooflower
Cardamine pratensis
151 observations
hedge woundwort
Stachys sylvatica
150 observations
Blackthorn
Prunus spinosa
148 observations
yellow archangel
Lamium galeobdolon
148 observations
Dog's Mercury
Mercurialis perennis
147 observations
Bull Thistle
Cirsium vulgare
146 observations
sycamore maple
Acer pseudoplatanus
146 observations
common selfheal
Prunella vulgaris
143 observations
ragwort
Jacobaea vulgaris
142 observations
Himalayan balsam
Impatiens glandulifera
141 observations
ribwort plantain
Plantago lanceolata
140 observations
field bindweed
Convolvulus arvensis
139 observations
White Bryony
Bryonia cretica
139 observations
bird's-eye speedwell
Veronica persica
136 observations
European Hornbeam
Carpinus betulus
135 observations
common hawthorn
Crataegus monogyna
134 observations
field maple
Acer campestre
134 observations
Primrose
Primula vulgaris
131 observations
white campion
Silene latifolia
131 observations
purple foxglove
Digitalis purpurea
128 observations
common toadflax
Linaria vulgaris
127 observations
bluebell
Hyacinthoides non-scripta
127 observations
Yellow Iris
Iris pseudacorus
124 observations
Frequently Asked Questions
- The 10 most common plants in Hertfordshire are:
- Green Alkanet (Pentaglottis sempervirens)
- garlic mustard (Alliaria petiolata)
- lesser celandine (Ficaria verna)
- Cuckoo-pint (Arum maculatum)
- common yarrow (Achillea millefolium)
- White deadnettle (Lamium album)
- Herb Robert (Geranium robertianum)
- red campion (Silene dioica)
- greater stitchwort (Rabelera holostea)
- ground-ivy (Glechoma hederacea)
- The most observed plant in Hertfordshire is Green Alkanet (Pentaglottis sempervirens), with 317 recorded observations.