| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| FEVI5 | Festuca vivipara auct. non (L.) Sm. | Festuca viviparoidea | Poaceae
|
| FEVI4 | Festuca viviparoidea Krajina ex Pavlick | northern fescue | Poaceae
|
| FEWA | Festuca washingtonica Alexeev | Washington fescue | Poaceae
|
| FESTU | Festuca L. | fescue | Poaceae
|
| FEBR6 | �Festulolium braunii (K. Richter) A. Camus | Braun's festulolium | Poaceae
|
| FEFR2 | �Festulolium fredericii Cugnac & A. Camus | Frederick's festulolium | Poaceae
|
| FEHO2 | �Festulolium holmbergii (Doerfler) P. Fourn. | Holmberg's festulolium | Poaceae
|
| FELO3 | �Festulolium loliaceum (Huds.) Fourn. | Lolium festucaceum | Poaceae
|
| FESTU2 | �Festulolium Asch. & Graebner | festulolium | Poaceae
|
| FECO3 | Fevillea cordifolia L. | antidote caccoon | Cucurbitaceae
|
| FEVIL | Fevillea L. | fevillea | Cucurbitaceae
|
| FITI | Fibraurea tinctoria Lour. | fibraurea | Menispermaceae
|
| FIBRA | Fibraurea Lour. | fibraurea | Menispermaceae
|
| FIAL4 | Ficus altissima Blume | council tree | Moraceae
|
| FIAM | Ficus americana Aubl. | Jamaican cherry fig | Moraceae
|
| FIAU | Ficus aurea Nutt. | Florida strangler fig | Moraceae
|
| FIBE2 | Ficus benghalensis L. | Indian banyan | Moraceae
|
| FIBE | Ficus benjamina L. | weeping fig | Moraceae
|
| FIBR | Ficus brevifolia Nutt. | Ficus citrifolia | Moraceae
|
| FICA | Ficus carica L. | edible fig | Moraceae
|
| FICI | Ficus citrifolia P. Mill. | wild banyantree | Moraceae
|
| FICR | Ficus crassinervia Desf. ex Willd. | Ficus trigonata | Moraceae
|
| FIDR3 | Ficus drupacea Thunb. | brown-woolly fig | Moraceae
|
| FIEL | Ficus elastica Roxb. ex Hornem. | Indian rubberplant | Moraceae
|
| FIGL2 | Ficus glomerata Roxb. | Ficus racemosa | Moraceae
|
| FIGO | Ficus godeffroyi Warb. | fig | Moraceae
|
| FILA2 | Ficus laevigata Vahl | Ficus citrifolia | Moraceae
|
| FILY | Ficus lyrata Warb. | fiddleleaf fig | Moraceae
|
| FIMI2 | Ficus microcarpa L. f. | Ficus thonningii | Moraceae
|
| FINI2 | Ficus nitida Thunb. | Ficus benjamina | Moraceae
|
| FINO3 | Ficus nota (Blanco) Merrill | tibig | Moraceae
|
| FIOB | Ficus obtusifolia Kunth | amate | Moraceae
|
| FIPA2 | Ficus palmata Forsk. | Punjab fig | Moraceae
|
| FIPE2 | Ficus perforata L. | Ficus americana | Moraceae
|
| FIPR2 | Ficus prolixa Forst. f. | fig | Moraceae
|
| FIPS | Ficus pseudocarica Miq. | Ficus palmata | Moraceae
|
| FIPU2 | Ficus pumila L. | climbingfig | Moraceae
|
| FIRA | Ficus racemosa L. | clustertree | Moraceae
|
| FIRE3 | Ficus religiosa L. | peepul tree | Moraceae
|
| FIRE4 | Ficus repens Rottl. | Ficus pumila | Moraceae
|
| FIRE5 | Ficus retusa of authors | Ficus thonningii | Moraceae
|
| FIRU4 | Ficus rubiginosa Desf. | Port Jackson fig | Moraceae
|
| FISI3 | Ficus sintenisii Warb. | Ficus americana | Moraceae
|
| FIST | Ficus stahlii Warb. | jaguey | Moraceae
|
| FISUH | Ficus superba Miq. var. henneana (Miq.) Corner | deciduous fig | Moraceae
|
| FISU4 | Ficus superba Miq. | sea fig | Moraceae
|
| FISY2 | Ficus sycomorus L. | sycamore fig | Moraceae
|
| FITH2 | Ficus thonningii Blume | Chinese banyan | Moraceae
|
| FITI2 | Ficus tinctoria Forst. f. | fig | Moraceae
|
| FITR | Ficus trigonata L. | jaguey blanco | Moraceae
|
| FIUR | Ficus urbaniana Warb. | Ficus obtusifolia | Moraceae
|
| FIVO | Ficus vogelii (Miq.) Miq. | West African rubbertree | Moraceae
|
| FICUS | Ficus L. | fig | Moraceae
|
| FIPA3 | Filaginella palustris (Nutt.) Holub | Gnaphalium palustre | Asteraceae
|
| FIUL2 | Filaginella uliginosa (L.) Opiz | Gnaphalium uliginosum | Asteraceae
|
| FIDR2 | Filaginopsis drummondii Torr. & Gray | Evax verna var. drummondii | Asteraceae
|
| FIMU | Filaginopsis multicaulis (DC.) Torr. & Gray | Evax verna var. verna | Asteraceae
|
| FIAR | Filago arizonica Gray | Arizona cottonrose | Asteraceae
|
| FIAR2 | Filago arvensis L. | Logfia arvensis | Asteraceae
|
| FICA2 | Filago californica Nutt. | California cottonrose | Asteraceae
|
| FICA5 | Filago candida (Torr. & Gray) Shinners | Evax candida | Asteraceae
|
| FIDE | Filago depressa Gray | dwarf cottonrose | Asteraceae
|
| FIGA | Filago gallica L. | Logfia gallica | Asteraceae
|
| FIGE4 | Filago germanica Huds. | Filago pyramidata | Asteraceae
|
| FIGE2 | Filago germanica L. 1763, non Huds. 1762 | Filago vulgaris | Asteraceae
|
| FIMI3 | Filago minima (Sm.) Pers. | Logfia minima | Asteraceae
|
| FINI | Filago nivea Small | Evax verna var. verna | Asteraceae
|
| FINU | Filago nuttallii Shinners | Evax prolifera | Asteraceae
|
| FIPR | Filago prolifera (Nutt. ex DC.) Britt., non Pomel | Evax prolifera | Asteraceae
|
| FIPY2 | Filago pyramidata L. | broadleaf cottonrose | Asteraceae
|
| FIVED | Filago verna (Raf.) Shinners var. drummondii (Torr. & Gray) Shinners | Evax verna var. drummondii | Asteraceae
|
| FIVE | Filago verna (Raf.) Shinners | Evax verna var. verna | Asteraceae
|
| FIVU2 | Filago vulgaris Lam. | common cottonrose | Asteraceae
|
| FILAG | Filago L. | cottonrose | Asteraceae
|
| FIDE4 | Filipendula denudata (J.& K. Presl) Rydb. | Filipendula ulmaria ssp. denudata | Rosaceae
|
| FIHE2 | Filipendula hexapetala Gilib. ex Maxim. | Filipendula vulgaris | Rosaceae
|
| FIOC | Filipendula occidentalis (S. Wats.) T.J. Howell | queen of the forest | Rosaceae
|
| FIRU2 | Filipendula rubra (Hill) B.L. Robins. | queen of the prairie | Rosaceae
|
| FIULD2 | Filipendula ulmaria (L.) Maxim. ssp. denudata (J.& K. Presl) Hayek | queen of the meadow | Rosaceae
|
| FIULU | Filipendula ulmaria (L.) Maxim. ssp. ulmaria | queen of the meadow | Rosaceae
|
| FIULD | Filipendula ulmaria (L.) Maxim. var. denudata (J.& K. Presl) Hayne ex Maxim. | Filipendula ulmaria ssp. denudata | Rosaceae
|
| FIUL | Filipendula ulmaria (L.) Maxim. | queen of the meadow | Rosaceae
|
| FIVU | Filipendula vulgaris Moench | dropwort | Rosaceae
|
| FILIP | Filipendula P. Mill. | queen | Rosaceae
|
| FIBU | Filix bulbifera (L.) Underwood | Cystopteris bulbifera | Dryopteridaceae
|
| FIFR | Filix fragilis (L.) Underwood | Cystopteris fragilis | Dryopteridaceae
|
| FIMO | Filix montana (Lam.) Underwood | Cystopteris montana | Dryopteridaceae
|
| FIAE | Fimbristylis aestivalis (Retz.) Vahl | summer fimbry | Cyperaceae
|
| FIAL | Fimbristylis alamosana Fern. | Fimbristylis annua | Cyperaceae
|
| FIAN | Fimbristylis annua (All.) Roemer & J.A. Schultes | annual fimbry | Cyperaceae
|
| FIAN2 | Fimbristylis anomala Boeckl. | Fimbristylis puberula var. puberula | Cyperaceae
|
| FIAT | Fimbristylis atollensis St. John | Fimbristylis spathacea | Cyperaceae
|
| FIAUM | Fimbristylis autumnalis (L.) Roemer & J.A. Schultes var. mucronulata (Michx.) Fern. | Fimbristylis autumnalis | Cyperaceae
|
| FIAU2 | Fimbristylis autumnalis (L.) Roemer & J.A. Schultes | slender fimbry | Cyperaceae
|
| FIBA | Fimbristylis baldwiniana (J.A. Schultes) Torr. | Fimbristylis annua | Cyperaceae
|
| FIBR2 | Fimbristylis brevivaginata Kral | glade fimbry | Cyperaceae
|
| FICA6 | Fimbristylis capillaris (L.) Gray | Bulbostylis capillaris ssp. capillaris | Cyperaceae
|
| FICA3 | Fimbristylis caroliniana (Lam.) Fern. | Carolina fimbry | Cyperaceae
|
| FICAP | Fimbristylis castanea (Michx.) Vahl var. puberula (Michx.) Britt. | Fimbristylis puberula var. puberula | Cyperaceae
|
| FICA4 | Fimbristylis castanea (Michx.) Vahl | marsh fimbry | Cyperaceae
|
| FICO | Fimbristylis complanata (Retz.) Link | Puerto Rico fimbry | Cyperaceae
|