Smooth Hawk's-beard
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 5,576
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- Species by county
- Portsmouth
Species recorded in Portsmouth
383 species
Portsmouth — county
Perennial Sow-thistle
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 5,567
White Campion
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 5,458
Redshank [plant]
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 5,442
Wall Speedwell
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 5,380
Greater Periwinkle [plant]
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 5,258
Wayfaring Tree
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 5,181
Perforate St John's-wort
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 5,101
Laver Spire Snail
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 5,079
Common cord grass, Rice grass, Townsends grass
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 4,974
Buck's-horn Plantain
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 4,894
Viper's Bugloss
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 4,846
Wild Marjoram
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 4,725
Thrift
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 4,703
Common Centaury
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 4,676
Small Burnet
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 4,541
Cherry Plum
- Group
- Flowering plants
- Peak month
- March
- Records since 2000
- 4,436
Hemlock
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 4,351
Fat-hen
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 4,271
Apple
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 4,177
Sea Aster
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 4,057
Evergreen Oak
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 4,016
Red Phalarope
- Group
- Birds
- Peak month
- September
- Records since 2000
- 3,944
Weld
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,893
Rough Hawkbit
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,881
Common Stork's-bill
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,834
Wall Barley
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,773
Winter Heliotrope
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 3,719
Common Beet
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,628
Greater Knapweed
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 3,533
Sea campion
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,472
Hairy Whitlowgrass
- Group
- Flowering plants
- Peak month
- March
- Records since 2000
- 3,432
Biting Stonecrop
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,420
Danish Scurvygrass
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 3,402
Pellitory-of-the-wall
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 3,346
Oxford Ragwort
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 3,206
Black Nightshade
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 3,192
Spiny Restharrow
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 3,187
Sea-kale
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,139
Spotted Medick
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,062
Spear-leaved Orache
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 2,790
False Fox-sedge
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 2,785
Wild Radish
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 2,631
Hoary Ragwort
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 2,595
Field Madder
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 2,508
Wild Parsnip
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 2,489
Prickly Lettuce
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 2,470
Hoary Cress
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 2,329