| Felis catus |
Domestic Cat; Feral Cat |
| Festuca bromoides |
Squirreltail Fescue |
| Festuca filiformis |
Fine-Leaved Sheep's Fescue |
| Festuca nigrescens |
Red Fescue |
| Festuca ovina |
Sheeps Fescue |
| Festuca rubra |
Red Fescue |
| Festuca rubra rubra |
|
| Flammulina velutipes |
|
| Fuchsia exoniensis |
Large-Flowered Fuchsia |
| Fuchsia magellanica |
Fuchsia |
| Fumaria muralis |
Fumitory; Common Ramping-Fumitory |
| Fusarium graminearum |
|
| Galerina stagnina |
|
| Galium aparine |
Cleavers |
| Galium saxatile |
Heath Bedstraw |
| Geranium molle |
Doves-Foot Cranes-Bill |
| Geranium pusillum |
Small-Flowered Cranes-Bill |
| Geranium robertianum |
Herb Robert |
| Glycyrrhiza astragalina |
|
| Gunnera tinctoria |
Chilean Gunnera; Chilean Rhubarb |
| Hedera helix |
Common Ivy |
| Heracleum sphondylium |
Hogweed |
| Hesperis matronalis |
Dames-Violet |
| Hesperocyparis macrocarpa |
Monterey Cypress |
| Holcus lanatus |
Yorkshire Fog |
| Holcus mollis |
|
| Hordeum comosum |
Hairy Barley |
| Hordeum jubatum |
Foxtail Barley |
| Hordeum murinum |
Wall Barley |
| Hyacinthoides massartiana |
Hybrid Bluebell |
