fennel, Foeniculum vulgare 小茴香
fenugreek, Trigonella foenum-graecum 胡芦巴
feverfew, Tanacetum parthenium 短舌匹菊
field cow-wheat, Melampyrum arvense 田山萝花
fig, Ficus carica 无花果
fleabane, Canadian, Conyza canadensis 小蓬草
Sumatran, C. sumatrenis 苏门白酒草
fluellen, Kickxia spp. 玄参
forget-me-not, Myosotis spp. 勿忘我
foxtail, meadow, Alopecurus pratensis 看麦娘