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Taxonomic exploration
Forbs & herbs
Forb-form herbaceous plants — wildflowers, broadleaved herbs, everything between grasses and shrubs.
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Showing 17,151–17,200 of 18,712.
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Symphyotrichum praealtum (Poir.) G.L. Nesom SYPR5willowleaf aster · Asteraceae - Symphyotrichum praealtum (Poir.) G.L. Nesom var. angustior (Wiegand) G.L. Nesom SYPRAwillowleaf aster · Asteraceae
- Symphyotrichum praealtum (Poir.) G.L. Nesom var. nebraskense (Britton) G.L. Nesom SYPRNNebraska aster · Asteraceae
- Symphyotrichum praealtum (Poir.) G.L. Nesom var. praealtum SYPRPwillowleaf aster · Asteraceae
- Symphyotrichum praealtum (Poir.) G.L. Nesom var. subasperum (Lindl.) G.L. Nesom SYPRSwillowleaf aster · Asteraceae
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Symphyotrichum pratense (Raf.) G.L. Nesom SYPR7barrens silky aster · Asteraceae -
Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L. Nesom SYPR6crookedstem aster · Asteraceae -
Symphyotrichum priceae (Britton) G.L. Nesom SYPR4lavender oldfield aster · Asteraceae -
Symphyotrichum puniceum (L.) Á. Löve & D. Löve SYPUpurplestem aster · Asteraceae - Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. puniceum SYPUPpurplestem aster · Asteraceae
- Symphyotrichum puniceum (L.) Á. Löve & D. Löve var. scabricaule (Shinners) G.L. Nesom SYPUSpurplestem aster · Asteraceae
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Symphyotrichum pygmaeum (Lindl.) Brouillet & S. Selliah SYPY2pygmy aster · Asteraceae -
Symphyotrichum racemosum (Elliott) G.L. Nesom SYRA5smooth white oldfield aster · Asteraceae -
Symphyotrichum retroflexum (Lindl. ex DC.) G.L. Nesom SYRE3rigid whitetop aster · Asteraceae -
Symphyotrichum rhiannon Weakley & Govus SYRHRhiannon aster · Asteraceae -
Symphyotrichum robynsianum (Rouss.) L. Brouillet & Labrecque SYRO3longleaf aster · Asteraceae -
Symphyotrichum sericeum (Vent.) G.L. Nesom SYSE2western silver aster · Asteraceae -
Symphyotrichum shortii (Lindl.) G.L. Nesom SYSHShort's aster · Asteraceae -
Symphyotrichum simmondsii (Small) G.L. Nesom SYSI3Simmonds' aster · Asteraceae -
Symphyotrichum spathulatum (Lindl.) G.L. Nesom SYSPwestern mountain aster · Asteraceae - Symphyotrichum spathulatum (Lindl.) G.L. Nesom var. intermedium (A. Gray) G.L. Nesom SYSPIlarger western mountain aster · Asteraceae
- Symphyotrichum spathulatum (Lindl.) G.L. Nesom var. spathulatum SYSPSwestern mountain aster · Asteraceae
- Symphyotrichum spathulatum (Lindl.) G.L. Nesom var. yosemitanum (A. Gray) G.L. Nesom SYSPYwestern bog aster · Asteraceae
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Symphyotrichum squamatum (Spreng.) G.L. Nesom SYSQsoutheastern annual saltmarsh aster · Asteraceae -
Symphyotrichum subspicatum (Nees) G.L. Nesom SYSU4Douglas aster · Asteraceae - Symphyotrichum subspicatum (Nees) G.L. Nesom var. grayi (Suksd.) G.L. Nesom SYSUGGray's aster · Asteraceae
- Symphyotrichum subspicatum (Nees) G.L. Nesom var. subspicatum SYSUSDouglas aster · Asteraceae
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Symphyotrichum subulatum (Michx.) G.L. Nesom SYSU5eastern annual saltmarsh aster · Asteraceae -
Symphyotrichum tenuifolium (L.) G.L. Nesom SYTE6perennial saltmarsh aster · Asteraceae -
Symphyotrichum tradescantii (L.) G.L. Nesom SYTRshore aster · Asteraceae -
Symphyotrichum turbinellum (Lindl.) G.L. Nesom SYTU2smooth violet prairie aster · Asteraceae -
Symphyotrichum undulatum (L.) G.L. Nesom SYUNwavyleaf aster · Asteraceae -
Symphyotrichum urophyllum (Lindl.) G.L. Nesom SYURwhite arrowleaf aster · Asteraceae -
Symphyotrichum walteri (Alexander) G.L. Nesom SYWAWalter's aster · Asteraceae -
Symphyotrichum welshii (Cronquist) G.L. Nesom SYWEWelsh's aster · Asteraceae -
Symphyotrichum yukonense (Cronquist) G.L. Nesom SYYUYukon aster · Asteraceae - Symphyotrichum ×amethystinum (Nutt.) G.L. Nesom [ericoides × novae-angliae] SYAM3aster · Asteraceae
- Symphyotrichum ×columbianum (Piper) G.L. Nesom [campestre × ericoides] SYCO2aster · Asteraceae
- Symphyotrichum ×finkii (Rydb.) G.L. Nesom (pro sp.) [cordifolium × shortii] SYFI4aster · Asteraceae
- Symphyotrichum ×longulum (Sheldon) G.L. Nesom [boreale × puniceum] SYLO4aster · Asteraceae
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Symphytum asperum Lepechin SYASprickly comfrey · Boraginaceae -
Symphytum officinale L. SYOFcommon comfrey · Boraginaceae -
Symphytum tuberosum L. SYTUtuberous comfrey · Boraginaceae - Symphytum ×uplandicum Nyman (pro sp.) [asperum × officinale] SYUPcomfrey · Boraginaceae
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Symplocarpus foetidus (L.) Salisb. ex W.P.C. Barton SYFOskunk cabbage · Araceae -
Synandra hispidula (Michx.) Britton SYHIGuyandotte beauty · Lamiaceae -
Synedrella nodiflora (L.) Gaertn. SYNOnodeweed · Asteraceae -
Syngonanthus flavidulus (Michx.) Ruhl. SYFLyellow hatpins · Eriocaulaceae -
Synthlipsis greggii A. Gray SYGRGregg's keelpod · Brassicaceae -
Synthyris borealis Pennell SYBOnorthern kittentails · Scrophulariaceae