Plant Database (by name)

field marigold - Calendula arvensis L.

field mustard - Brassica rapa L.

field mustard - Brassica rapa L. var. rapa

field pansy - Viola bicolor Pursh

field parsley piert - Aphanes arvensis L.

field paspalum - Paspalum laeve Michx.

field pennycress - Thlaspi arvense L.

field pepperweed - Lepidium campestre (L.) Ait. f.

field pussytoes - Antennaria neglecta Greene

field sagewort - Artemisia campestris L. ssp. borealis (Pallas) Hall & Clements var. borealis (Pallas) M.E. Peck

field sagewort - Artemisia campestris L. ssp. caudata (Michx.) Hall & Clements

field scabiosa - Knautia arvensis (L.) Coult.

field sowthistle - Sonchus arvensis L. ssp. arvensis

field thistle - Cirsium discolor (Muhl. ex Willd.) Spreng.

field woodrush - Luzula campestris (L.) DC.

fierce Spaniard - Aciphylla ferox W.R.B. Oliv.

fig buttercup - Ranunculus ficaria L.

filiform anomobryum moss - Anomobryum filiforme (Dicks.) Solms in Rabenh.

filmy angelica - Angelica triquinata Michx.

finebranched popcornflower - Plagiobothrys leptocladus (Greene) I.M. Johnston

fineflower gilia - Gilia leptantha Parish

fineleaf fournerved daisy - Tetraneuris linearifolia (Hook.) Greene

fineleaf hymenopappus - Hymenopappus filifolius Hook.

fineleaf hymenopappus - Hymenopappus filifolius Hook. var. eriopodus (A. Nels.) B.L. Turner

fineleaf pondweed - Stuckenia filiformis (Pers) Boerner ssp. filiformis

fineleaf sheep fescue - Festuca filiformis Pourret

finestem tussockgrass - Nassella tenuissima (Trin.) Barkworth

finger rot - Cnidoscolus urens (L.) Arthur var. stimulosus (Michx.) Govaerts

fingertips - Dudleya edulis (Nutt.) Moran

fir - Abies P. Mill.

fir clubmoss - Huperzia selago (L.) Bernh. ex Mart. & Schrank var. densa Trevisan

fir clubmoss - Huperzia selago (L.) Bernh. ex Mart. & Schrank var. selago

fire pink - Silene virginica L.

fire reedgrass - Calamagrostis koelerioides Vasey

fireberry hawthorn - Crataegus chrysocarpa Ashe

firecracker flower - Dichelostemma ida-maia (Wood) Greene

firecrackerbush - Bouvardia ternifolia (Cav.) Schlecht.

firespike - Odontonema tubiforme (Bertol.) Kuntze

firethorn - Pyracantha M. Roemer

firethread sedge - Carex scopulorum Holm var. prionophylla (Holm) L.A. Standley

fireweed - Chamerion angustifolium (L.) Holub

fireweed - Chamerion angustifolium (L.) Holub ssp. angustifolium

comb. nov. ined. - Chamerion angustifolium (L.) Holub ssp. circumvagum (Mosquin) Kartesz

firewheel - Gaillardia pulchella Foug.

firleaf beardtongue - Penstemon abietinus Pennell

Fischer monkshood - Aconitum fischeri Reichb.

Fish Slough milkvetch - Astragalus lentiginosus Dougl. ex Hook. var. piscinensis Barneby

Fisher's tundragrass - Dupontia fisheri R. Br.

fishhook cactus - Sclerocactus Britt. & Rose

fishscale lichen - Psora decipiens (Hedwig) Hoffm.