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Green Alkanet
Pentaglottis sempervirens
326 observations
garlic mustard
Alliaria petiolata
302 observations
common yarrow
Achillea millefolium
285 observations
Cuckoo-pint
Arum maculatum
272 observations
lesser celandine
Ficaria verna
266 observations
White deadnettle
Lamium album
250 observations
Herb Robert
Geranium robertianum
249 observations
red campion
Silene dioica
248 observations
European black elderberry
Sambucus nigra
248 observations
Common Mallow
Malva sylvestris
243 observations
wild teasel
Dipsacus fullonum
241 observations
greater stitchwort
Rabelera holostea
241 observations
ground-ivy
Glechoma hederacea
237 observations
Germander Speedwell
Veronica chamaedrys
229 observations
great stinging nettle
Urtica dioica
222 observations
hogweed
Heracleum sphondylium
220 observations
Cow Parsley
Anthriscus sylvestris
215 observations
red deadnettle
Lamium purpureum
201 observations
creeping thistle
Cirsium arvense
200 observations
bird's-foot trefoil
Lotus corniculatus
193 observations
Lawn daisy
Bellis perennis
193 observations
Great Willowherb
Epilobium hirsutum
192 observations
bittersweet nightshade
Solanum dulcamara
189 observations
pyramidal orchid
Anacamptis pyramidalis
184 observations
European holly
Ilex aquifolium
180 observations
Bull Thistle
Cirsium vulgare
174 observations
field bindweed
Convolvulus arvensis
171 observations
sycamore maple
Acer pseudoplatanus
170 observations
White Bryony
Bryonia cretica
169 observations
ragwort
Jacobaea vulgaris
166 observations
Wood Avens
Geum urbanum
165 observations
Himalayan balsam
Impatiens glandulifera
161 observations
common selfheal
Prunella vulgaris
161 observations
Blackthorn
Prunus spinosa
161 observations
Cowslip
Primula veris
161 observations
hedge woundwort
Stachys sylvatica
159 observations
purple loosestrife
Lythrum salicaria
154 observations
Cuckooflower
Cardamine pratensis
151 observations
field maple
Acer campestre
149 observations
yellow archangel
Lamium galeobdolon
148 observations
common hawthorn
Crataegus monogyna
147 observations
ribwort plantain
Plantago lanceolata
147 observations
Dog's Mercury
Mercurialis perennis
147 observations
European Hornbeam
Carpinus betulus
145 observations
Old man's beard
Clematis vitalba
142 observations
common toadflax
Linaria vulgaris
140 observations
fireweed
Chamaenerion angustifolium
139 observations
bird's-eye speedwell
Veronica persica
138 observations
common hazel
Corylus avellana
136 observations
purple foxglove
Digitalis purpurea
134 observations
Frequently Asked Questions
- The 10 most common plants in Hertfordshire are:
- Green Alkanet (Pentaglottis sempervirens)
- garlic mustard (Alliaria petiolata)
- common yarrow (Achillea millefolium)
- Cuckoo-pint (Arum maculatum)
- lesser celandine (Ficaria verna)
- White deadnettle (Lamium album)
- Herb Robert (Geranium robertianum)
- red campion (Silene dioica)
- European black elderberry (Sambucus nigra)
- Common Mallow (Malva sylvestris)
- The most observed plant in Hertfordshire is Green Alkanet (Pentaglottis sempervirens), with 326 recorded observations.