| Abraham-Isaac-Jacob |
| Alder |
| Alexanders |
| Alison (Golden) |
| Alison (Sweet) |
| Alkanet |
| Alkanet (Green) |
| Allseed (Four-Leaved) |
| Anemone (Balkan) |
| Anemone (Poppy) |
| Anemone (Wood) |
| Arabis (Garden) |
| Archangel (Yellow) |
| Ash |
| Avens (Large-Leaved) |
| Avens (Water) |
| Barberry |
| Barberry (Chinese) |
| Barberry (Darwin's) |
| Barberry (Hedge) |
| Barberry (Thunberg's) |
| Bay |
| Bean (Broad) |
| Bilberry |
| Bitter-cress (Hairy) |
| Bitter-cress (Wavy) |
| Blackthorn |
| Bleeding-Heart |
| Bleeding-Heart (Asian) |
| Blinks |
| Bluebell |
| Bog Myrtle |
| Bracken |
| Broom |
| Broom (Butcher's) |
| Broom (Montpellier) |
| Buck's-Beard |
| Buckthorn (Sea) |
| Bugle |
| Bugle (Pyramidal) |
| Bugloss |
| Burdock (Lesser) |
| Butterbur |
| Butterbur (Giant) |
| Butterbur (White) |
| Buttercup (Bulbous) |
| Buttercup (Goldilocks) |
| Buttercup (Small-Flowered) |
| Campion (Red) |
| Campion (Sea) |
| Charlock |
| Cherry (Wild) |
| Chicken-of-the-Woods |
| Chickweed (Common) |
| Chickweed (Greater) |
| Chickweed (Lesser) |
| Chickweed (Upright) |
| Christmas-Rose |
| Cleavers |
| Clover (Suffocated) |
| Cock's-Foot |
| Colt's-foot |
| Comfrey (Hidcote-Blue) |
| Comfrey (White) |
| Common Jellyspot |
| Cornsalad (Common) |
| Cornsalad (Keeled-Fruited) |
| Cotoneaster (Welsh) |
| CottonGrass (Common) |
| CottonGrass (Hare's-Tail) |
| Cowslip |
| Crane's-bill (Dove's-foot) |
| Crane's-bill (Round-Leaved) |
| Crane's-bill (Small-Flowered) |
| Cress (Hoary) |
| Cress (Shepherd's) |
| Cress (Thale) |
| Crocus (Dutch) |
| Crocus (Early) |
| Crocus (Spring) |
| Crosswort |
| Crowberry |
| Cuckooflower |
| Currant (Flowering) |
| Currant (Mountain) |
| Currant (Red) |
| Cypress (Lawson's) |
| Daffodil (Hoop-Petticoat) |
| Daffodil (Wild) |
| Daisy |
| Dandelion |
| Dead-Nettle (Cut-Leaved) |
| Dead-Nettle (Henbit) |
| Dead-Nettle (Red) |
| Dead-Nettle (Spotted) |
| Dead-Nettle (White) |
| Dock (Wood) |
| Dog-Violet (Common) |
| Dog-violet (Wood) |
| Elm (Wych) |
| Fern (Lady) |
| Fern (Maidenhair) |
| Fern (Male) |
| Fern (Ostrich) |
| Fiddleneck (Common) |
| Field-Speedwell (Common) |
| Field-Speedwell (Grey) |
| Fir (Flaky) |
| Fir (Korean) |
| Fleabane (Mexican) |
| Forget-me-not (Early) |
| Forget-me-Not (Field) |
| Forget-me-Not (Wood) |
| Foxglove Tree |
| Foxtail (Meadow) |
| Foxtail (Orange) |
| Fringe Cups |
| Fritillary |
| Garlic (Few-Flowered) |
| Garlic Mustard |
| Garlic (Neapolitan) |
| Garlic (Three-Cornered) |
| Gentian (Koch's) |
| Gentian (Spring) |
| Glory-of-the-Snow |
| Glory-of-the-Snow (Boissier's) |
| Golden-saxifrage (Alternate-leaved) |
| Golden-saxifrage (Opposite-leaved) |
| Gooseberry |
| Gorse |
| Grape-Hyacinth (Garden) |
| Greater Celandine |
| Gromwell (Field) |
| Ground-Ivy |
| Groundsel |
| Groundsel (Rayed) |
| Hawthorn |
| Heath (Darley Dale) |
| Hellebore (Green) |
| Hellebore (Stinking) |
| Hen-of-the-Woods |
| Herb-Robert |
| Honesty |
| Hornbeam |
| Horsetail (Field) |
| Horsetail (Great) |
| Horsetail (Rough) |
| Horsetail (Variegated) |
| Horsetail (Wood) |
| Hottentot-Fig |
| Hutchinsia |
| Hyacinth (Grape) |
| Hyacinth (Water) |
| Hybrid Geum |
| Indian-Rhubarb |
| Kale |
| Lamb's-Ear |
| Larch (Dunkeld) |
| Larch (European) |
| Laurel (Portugal) |
| Laurel (Spotted) |
| Lenten-Rose |
| Lesser Celandine |
| Liverwort (Scented) |
| Lords-and-Ladies |
| Lousewort |
| Lungwort |
| Lungwort (Narrow-Leaved) |
| Lungwort (Red) |
| Marigold (Marsh) |
| Medick (Black) |
| Mercury (Annual) |
| Mercury (Dog's) |
| Mespil (Snowy) |
| Mezereon |
| Milkwort (Chalk) |
| Milkwort (Heath) |
| Mistletoe |
| Moor-Grass (Blue) |
| Moschatel |
| Moss (Tamarisk) |
| Mouse-Ear (Common) |
| Mouse-Ear (Field) |
| Mouse-Ear (Little) |
| Mouse-Ear (Sea) |
| Mouse-Ear (Sticky) |
| Mousetail |
| Mustard (Hedge) |
| Nettle (Small) |
| Oak (Pedunculate) |
| Orchid (Early-Purple) |
| Orchid (Tongue) |
| Pansy (Dwarf) |
| Pansy (Field) |
| Pansy (Wild) |
| Parsley-Piert |
| Parsley-piert (Slender) |
| Pasque Flower |
| Pearlwort (Annual) |
| Pearlwort (Procumbent) |
| Pellia (Nees') |
| Penny-Cress (Field) |
| Periwinkle (Lesser) |
| Pheasant's-Eye Daffodil |
| Pine (Bhutan) |
| Plantain (Ribwort) |
| Polypody (Common) |
| Polypore (Giant) |
| Pond-Sedge (Lesser) |
| Primrose |
| Purslane (Pink) |
| Quamash |
| Quince (Chinese) |
| Ragwort (Oxford) |
| Ramping-Fumitory (Common) |
| Ramping-Fumitory (Purple) |
| Ramping-Fumitory (White) |
| Ramsons |
| Rape (Oil-Seed) |
| Red Robin |
| Rhubarb |
| Robin (Little) |
| Rocket (Eastern) |
| Rosemary |
| Rosemary (Bog) |
| Rowan (Common) |
| Rowan (Dwarf) |
| Rowan (Japanese) |
| Rowan (Joseph Rock's) |
| Rowan (Kashmir) |
| Rowan (Khumbuensis) |
| Rowan (Vilmorin's) |
| Salmonberry |
| Sandwort (Three-Nerved) |
| Sandwort (Thyme-Leaved) |
| Saxifrage (Meadow) |
| Saxifrage (Purple) |
| Saxifrage (Rue-Leaved) |
| Scurvygrass (Danish) |
| Scurvygrass (English) |
| Scurvygrass (Pyrenean) |
| Sea-spurrey (Lesser) |
| Sedge (Common) |
| Sedge (Dwarf) |
| Sedge (False Fox) |
| Sedge (Glaucous) |
| Sedge (Pendulous) |
| Sedge (Spring) |
| Service Tree (Bastard) |
| Shepherd's-Purse |
| Skunk-Cabbage (American) |
| Snowflake (Summer) |
| Sorrel (Sheep's) |
| Sowbread (Eastern) |
| Sow-Thistle (Prickly) |
| Sow-Thistle (Smooth) |
| Speedwell (American) |
| Speedwell (Germander) |
| Speedwell (Ivy-Leaved) |
| Speedwell (Slender) |
| Speedwell (Thyme-Leaved) |
| Speedwell (Wall) |
| Speedwell (Wood) |
| Spiderwort |
| Springbeauty |
| Spruce (Serbian) |
| Spurge (Petty) |
| Spurge (Portland) |
| Spurge (Sun) |
| Spurge (Turkish Wood) |
| Spurrey (Corn) |
| Squill (Pyrenean) |
| Squill (Siberian) |
| Squill (Spring) |
| Starflower (Spring) |
| Star-of-Bethlehem (Drooping) |
| Star-of-Bethlehem (Yellow) |
| Stitchwort (Greater) |
| Stock (Sea) |
| Stork's-bill (Common) |
| Stork's-bill (Musk) |
| Stork's-bill (Sea) |
| Stork's-bill (Sticky) |
| Strawberry (Barren) |
| Strawberry (Wild) |
| Sweet Cicely |
| Thrift |
| Thyme-Moss (Hart's-Tongue) |
| Toothwort |
| Toothwort (Purple) |
| Tree-Mallow (Smaller) |
| Tufted-Sedge (Slender) |
| Turkeytail |
| Valerian (Marsh) |
| Valerian (Red) |
| Vernal-Grass (Sweet) |
| Vetch (Bush) |
| Vetchling (Bitter) |
| Vetch (Spring) |
| Viburnum (Wrinkled) |
| Violet (Sweet) |
| Wall-Flower |
| Wall-Rue |
| Water-Crowfoot (Thread-Leaved) |
| Water Fern |
| Water-Moss (Greater) |
| Whin (Petty) |
| Whitlowgrass (Common) |
| Whitlowgrass (Yellow) |
| Willow (Creeping) |
| Willow (Goat) |
| Willow (Grey) |
| Winter-cress |
| Witch-Hazel (Chinese) |
| Woodruff |
| Wood-Rush (Field) |
| Wood-Rush (Great) |
| Wood-Rush (Hairy) |
| Wood-rush (Snow-white) |
| Wood-Sorrel |
| Woundwort (Field) |
| Yew [Tree] |
 |
MONTHS
APRIL