Plant Database (by name)

sessileleaf bellwort - Uvularia sessilifolia L.

sessileleaf pinelandcress - Warea sessilifolia Nash

sessileleaf ticktrefoil - Desmodium sessilifolium (Torr.) Torr. & Gray

setose blackberry - Rubus setosus Bigelow

Seven River Hills buckwheat - Eriogonum gypsophilum Woot. & Standl.

seven sisters - Crinum americanum L.

sevenangle pipewort - Eriocaulon aquaticum (Hill) Druce

shade mudflower - Micranthemum umbrosum (J.F. Gmel.) Blake

shadowy goldenrod - Solidago sciaphila Steele

shadscale saltbush - Atriplex confertifolia (Torr. & Frém.) S. Wats.

shagbark hickory - Carya ovata (P. Mill.) K. Koch

shagbark manzanita - Arctostaphylos rudis Jepson & Wies. ex Jepson

shaggy blazing star - Liatris pilosa (Ait.) Willd. var. pilosa

shaggy crabgrass - Digitaria villosa (Walt.) Pers.

shaggy dwarf morning-glory - Evolvulus nuttallianus J.A. Schultes

shaggy fleabane - Erigeron pumilus Nutt.

shaggy hedgehyssop - Gratiola pilosa Michx.

shaggy milkvetch - Astragalus malacus Gray

shaggyfruit pepperweed - Lepidium lasiocarpum Nutt.

shaggyhair lupine - Lupinus spectabilis Hoover

shaggytuft - Stenandrium Nees

shalebarren buckwheat - Eriogonum allenii S. Wats.

shalebarren evening-primrose - Oenothera argillicola Mackenzie

shalebarren ragwort - Packera antennariifolia (Britt.) W.A. Weber & A. Löve

shallow sedge - Carex lurida Wahlenb.

shamel ash - Fraxinus uhdei (Wenzig) Lingelsh.

shameplant - Mimosa pudica L.

sharp blazing star - Liatris acidota Engelm. & Gray

sharpleaf cancerwort - Kickxia elatine (L.) Dumort.

sharpleaf penstemon - Penstemon acuminatus Dougl. ex Lindl.

sharpleaf penstemon - Penstemon acuminatus Dougl. ex Lindl. var. latebracteatus N. Holmgren

sharpleaf twinpod - Physaria acutifolia Rydb.

sharplobe hepatica - Hepatica nobilis Schreb. var. acuta (Pursh) Steyermark

sharppoint prairie-dandelion - Nothocalais cuspidata (Pursh) Greene

sharpscale flatsedge - Cyperus oxylepis Nees ex Steud.

sharpscale sedge - Carex oxylepis Torr. & Hook.

sharpsepal beardtongue - Penstemon tenuis Small

sharptooth blacksnakeroot - Sanicula arguta Greene ex Coult. & Rose

sharpwing monkeyflower - Mimulus alatus Ait.

Shasta knotweed - Polygonum shastense Brewer ex Gray

Shasta lily - Lilium pardalinum Kellogg ssp. shastense (Eastw.) Skinner

Shasta panicgrass - Dichanthelium ×scoparioides (Ashe) Mohlenbrock (pro sp.) [acuminatum × oligosanthes]

Shasta sedge - Carex straminiformis Bailey

Ertter & Taylor - Neviusia cliftonii Shevock

Shasta tansyaster - Machaeranthera canescens (Pursh) Gray ssp. canescens var. shastensis (Gray) B.L. Turner

shaved sedge - Carex tonsa (Fern.) Bickn.

Shawnee salad - Hydrophyllum virginianum L.

sheathed pondweed - Stuckenia vaginata (Turcz.) Holub

sheathed sedge - Carex vaginata Tausch

sheep fescue - Festuca ovina L.