| Anemone (Poppy) |
| Anemone (Wood) |
| Arabis (Garden) |
| Archangel (Yellow) |
| Avens (Water) |
| Barberry |
| Bean (Broad) |
| Bilberry |
| Bittercress (Hairy) |
| Bittercress (Wavy) |
| Blackthorn |
| Bleeding Heart |
| Blinks |
| Bog Myrtle |
| Bracken |
| Broom |
| Buck's-Beard |
| Buckthorn (Sea) |
| Bugle |
| Bugle (Pyramidal) |
| Bugloss |
| Butterbur |
| Butterbur (White) |
| Buttercup (Goldilocks) |
| Campion (Red) |
| Campion (Sea) |
| Cherry (Wild) |
| Chicken of the Woods |
| Christmas-Rose |
| Coltsfoot |
| Cornsalad (Keel-Fruited) |
| Cowslip |
| Cranesbill (Dovesfoot) |
| Cranesbill (Small-Flowered) |
| Cress (Hoary) |
| Cress (Thale) |
| Crocus (Dutch) |
| Crocus (Early) |
| Crocus (Spring) |
| Crosswort |
| Crowberry |
| Cuckoo Flower |
| Daffodil (Wild) |
| Daisy |
| Dandelion |
| Dead-Nettle (Henbit) |
| Dead-Nettle (Red) |
| Dead-Nettle (White) |
| Fern (Lady) |
| Fern (Maidenhair) |
| Fern (Male) |
| Fiddleneck (Common) |
| Fir (Flaky) |
| Fleabane (Mexican) |
| Forgetmenot (Early) |
| Foxglove Tree |
| Fringe Cups |
| Fritillary |
| Fumitory (Common Ramping) |
| Garlic (Three-Cornered) |
| Garlic Mustard |
| Gentian (Spring) |
| Greater Celandine |
| Ground Ivy |
| Hellebore (Stinking) |
| Hen of the Woods |
| Herb Robert |
| Honesty |
| Horsetail (Great) |
| Hybrid Geum |
| Lamb's-Ear |
| Laurel (Portugal) |
| Laurel (Spotted) |
| Lenten-Rose |
| Lesser Celandine |
| Liverwort (Scented) |
| Lords And Ladies |
| Lousewort |
| Marigold (Marsh) |
| Medick (Black) |
| Mercury (Annual) |
| Mezereon |
| Moschatel |
| Nettle (Small) |
| Orchid (Early Purple) |
| Pansy (Field) |
| Parsley Piert (Slender) |
| Pasque Flower |
| Pellia (Nees') |
| Periwinkle (Lesser) |
| Pheasant's Eye |
| Pine (Bhutan) |
| Plantain (Ribwort) |
| Polypody (Common) |
| Primrose |
| Purslane (Pink) |
| Ragwort (Oxford) |
| Ramsons |
| Rhubarb |
| Rosemary (Bog) |
| Rowan (Common) |
| Rowan (Dwarf) |
| Rowan (Japanese) |
| Rowan (Joseph Rock's) |
| Rowan (Kashmir) |
| Rowan (Khumbuensis) |
| Rowan (Vilmorins) |
| Saxifrage (Golden [Alternate Leaved]) |
| Saxifrage (Golden [Opposite Leaved]) |
| Saxifrage (Meadow) |
| Saxifrage (Purple) |
| Saxifrage (Rue-Leaved) |
| Scurvygrass (Danish) |
| Scurvygrass (English) |
| Sea-spurrey (Lesser) |
| Sedge (False Fox) |
| Shepherd's Purse |
| Sorrel (Wood) |
| Sow-Thistle (Prickly) |
| Sow-Thistle (Smooth) |
| Sowbread (Eastern) |
| Speedwell (Ivy-Leaved) |
| Speedwell (Wall) |
| Spring Beauty |
| Spurge (Petty) |
| Spurge (Portland) |
| Spurge (Sun) |
| Storksbill (Common) |
| Storksbill (Sticky) |
| Strawberry (Barren) |
| Strawberry (Wild) |
| Sweet Cicely |
| Thrift |
| Thyme-Moss (Hart's-Tongue) |
| Toothwort (Purple) |
| Turkeytail |
| Valerian (Red) |
| Viburnum (Wrinkled) |
| Wall-Rue |
| Water Fern |
| Whitlowgrass (Common) |
| Witch-Hazel (Chinese) |
| Woodruff |
| Yellow Clubs |
| Yew [Tree] |
 |
MONTHS
APRIL