| Wildflowers - Common name | Latin name | Approx location |
| | | |
| Agrimony | Agrimonia eupatoria | |
| Alexanders | Smyrnium olusatrum | In field margin of field north of The Hill |
| Biting Stonecrop | sedum acre | |
| Black Knapweed | centaurea nigra | |
| Bladder Campion | Silene vulgaris | in fields behind herberts |
| Bluebell | Hyacinthoides non-scripta | by river |
| Borage | Borago officinalis | various locations |
| Burdock | Arctium sp. | near river |
| Canadian Fleabane | Conzya canadensis | Field margins |
| Chicory | Cichorium intybus | |
| Cleavers | Galium aparine | various locations |
| Comfrey | Symphytum sp | |
| Common Mallow | Malva sylvestris | Various locations |
| Common Nettle | Urtica dioica | very common around village |
| Common Poppy | Ppaver rhoeas | Various locations |
| Creeping Buttercup | Ranunculus repens | very common around village |
| Creeping Cinquefoil | Potentilla reptans | various locations |
| Creeping Thistle | Cirsium arvense | Widespread |
| Cuckoo Flower | Cardamine pratensis | in Horse field west of Ivel |
| Daisy | Bellis perennis | very common around village |
| Dandelion | Traxacum agg | very common around village |
| Duke Of Argylls Tea Plant | Lycium barbarum | Bottom of The Hill |
| Early Forget-me-not | Myostis ramosissima | Blunham playing fields |
| Fat Hen | Chenopodium album | Various locations |
| Field Forget-me-not | Myostis arvensis | very common around village |
| Field Scabious | Knautia arvensis | Route 51 |
| Garlic Mustard | Alliaria petiolata | by river |
| Giant Hogweed | Heracleum mantegazzianum | Private land adjacent to footpath west of Ivel running south from weir |
| Great Willowherb | Epilobium hirsutum | Various locations |
| Greater Burdock | Arctium lappa | Field margins |
| Greater Knapweed | Centaurea scabiosa | Route 51 |
| Greater plantain | Plantago major | various locations |
| Ground Ivy | Glechoma hederacea | west bank of the ivel |
| Groundsel | Senecio vulgaris | various locations |
| Hedge Bindweed | Calystegia sepium | various locations |
| Hedgerow Cranesbill | Geranium pyrenaicum | Route 51 |
| Himalayan Balsam | Impatiens glandulifera | Private land adjacent to footpath west of Ivel running south from weir |
| Hoary Cress | Lepidium draba | Foot path running north from The Hill |
| Hogweed | Heracleum sphondylium | near river |
| Honesty | Lunaria annua | In hedgrow near the weir & along Station Road |
| Hop Trefoil | Trifiolium campestre | Field margins on path to G Barford |
| Hounds Tongue | Cynoglossum officinale | Route 51 |
| Ivy-leaved Toadflax | Cymbalaria muralis | Along the highstreet |
| Lesser Burdock | Arctium minus | Field margins |
| Lesser Celandine | Ranunculus ficarua | path by sheeps field near river |
| Lesser Trefoil | Trifolium dubium | Blunham playing fields |
| Lucerne | Medicago sativa | |
| Marsh Thistle | Cirsium paulstre | Near river |
| Meadow Saxifrage | Saxifraga granulata | Church yard |
| Meadow vetchling | Lathyrus pratensis | |
| Meadowsweet | Filipendula ulmaria | R Ivel |
| Mugwort | Artemesia vulgaris | Widespread |
| Nipplewort | Lapsana communis | Various locations |
| Perennial Sow-thistle | Sonchus arvensis | Field margins |
| Petty spurge | Euphorbia peplus | various locations |
| Prickly Lettuce | Lactuca serriola | Field margins |
| Prickly Sow-thistle | Sonchus asper | |
| Purple Loosestrife | Lythrum salicaria | R Ivel & R Ouse |
| Pyramidal Orchid | Anacamptis pyrimidalis | near old railway line in meadow just before tunnel |
| Reedmace | Typha latifolia | |
| Ribwort Plantain | Plantago lanceolata | various locations |
| Rosebay Willowherb | Chamerion angustifolium | various locations |
| Sainfoin | Onibrychis viciifolia | |
| Shepherds Purse | Capsella bursa-pastoris | Blunham playing fields |
| Smooth Sow-thistle | Sonchus oleraceus | |
| Southern Marsh Orchid | Dactylorhiza pratermissa | |
| Spear Thistle | Cirsium vulgare | Various locations |
| Speedwell Sp. | Veronica sp. | west bank of the ivel |
| Spotted Medic | Medicago arabica | various areas of amenity grassland through village |
| Water Crowfoot | Ranunculus batrachium | River |
| White Campion | Silene latifolia | west bank of the ivel |
| White Clover | Trifolium repens | Various locations |
| White Dead-nettle | Lamium alba | by river |
| Wild Arum | Arum maculatum | by river |
| Winter Aconite | | Garden escape Blunham Grange? |
| Wood Avens | Geum urbanum | various locations |
| Yarrow | Achillea millefolium | various locations |
| Yellow Iris | Iris pseudoacorus | River |
| Yellow Loosestrife | Lysimachia punctata | |