Lesser Knapweed
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 20,597
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- Species by county
- Rotherham
Species recorded in Rotherham
353 species
Rotherham — county
Common Field Grasshopper
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 20,577
Sweet Vernal Grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 20,537
Common Pocket-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 19,854
Bird's-claw Beard-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 19,787
Soft Rush
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 19,779
Field Maple
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 19,098
Dog's Mercury
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 18,728
Brown Lipped Snail
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 18,559
Common Mouse-ear
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 18,442
Silver-moss
- Group
- Mosses
- Peak month
- November
- Records since 2000
- 18,165
Bilberry
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 18,150
Bank Haircap
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 18,136
White-tipped Bristle-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 18,107
Gemmabryum dichotomum
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 17,871
Clustered Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 17,847
Foxglove
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 17,704
Bluebell
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 17,510
Hedge Woundwort
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 17,492
Lords-and-Ladies [Arum maculatum]
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 17,452
Heath Star Moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 17,406
White Dead-nettle
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 17,320
Fireweed
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 17,268
Cylindric Beard-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 17,033
Silky Forklet-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 16,885
Alder
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 16,859
Curlew Sandpiper
- Group
- Birds
- Peak month
- September
- Records since 2000
- 16,711
False Oat-grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 16,693
Ramsons
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 16,569
Willow Tit
- Group
- Birds
- Peak month
- January
- Records since 2000
- 16,511
Nipplewort
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 16,456
Meadow Vetchling
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 16,208
Cowslip
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 16,087
Marsh Thistle
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 16,059
Lady's Bedstraw
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 15,904
Green Emerald Damselfly
- Group
- Dragonflies and damselflies
- Peak month
- September
- Records since 2000
- 15,887
Perennial Rye-grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 15,637
Little Stint
- Group
- Birds
- Peak month
- September
- Records since 2000
- 15,586
Heath Spotted-orchid
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 15,205
Cat's-ear
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 14,718
Lesser Bird's-claw Beard-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 14,503
Yellow Archangel
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 14,460
Hawthorn Shieldbug
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 14,450
Bruch's Pincushion
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 14,229
Honeysuckle
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 13,575
Wood Sandpiper
- Group
- Birds
- Peak month
- August
- Records since 2000
- 13,506
White-lipped Snail
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 13,376
Bush Vetch
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 13,352