Explore / Taxonomic exploration / Forbs & herbs
Taxonomic exploration
Forbs & herbs
Forb-form herbaceous plants — wildflowers, broadleaved herbs, everything between grasses and shrubs.
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Showing 15,151–15,200 of 18,712.
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Rudbeckia laciniata L. var. ampla (A. Nelson) Cronquist RULAAcutleaf coneflower · Asteraceae - Rudbeckia laciniata L. var. bipinnata Perdue RULABcutleaf coneflower · Asteraceae
- Rudbeckia laciniata L. var. digitata (Mill.) Fiori RULADcutleaf coneflower · Asteraceae
- Rudbeckia laciniata L. var. heterophylla (Torr. & A. Gray) Fernald & B.G. Schub. RULAH3cutleaf coneflower · Asteraceae
- Rudbeckia laciniata L. var. laciniata RULALcutleaf coneflower · Asteraceae
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Rudbeckia maxima Nutt. RUMA3great coneflower · Asteraceae -
Rudbeckia missouriensis Engelm. ex C.L. Boynt. & Beadle RUMIMissouri orange coneflower · Asteraceae -
Rudbeckia mohrii A. Gray RUMO6Mohr's coneflower · Asteraceae -
Rudbeckia mollis Elliott RUMOsofthair coneflower · Asteraceae -
Rudbeckia montana A. Gray RUMO9montane coneflower · Asteraceae -
Rudbeckia nitida Nutt. RUNI3shiny coneflower · Asteraceae -
Rudbeckia occidentalis Nutt. RUOC2western coneflower · Asteraceae -
Rudbeckia scabrifolia L.E. Brown RUSC4roughleaf coneflower · Asteraceae -
Rudbeckia subtomentosa Pursh RUSUsweet coneflower · Asteraceae -
Rudbeckia texana (Perdue) P. Cox & Urbatsch RUTE4Texas coneflower · Asteraceae -
Rudbeckia triloba L. RUTR2browneyed Susan · Asteraceae - Rudbeckia triloba L. var. pinnatiloba Torr. & A. Gray RUTRPbrowneyed Susan · Asteraceae
- Rudbeckia triloba L. var. rupestris (Chickering) A. Gray RUTRRbrowneyed Susan · Asteraceae
- Rudbeckia triloba L. var. triloba RUTRTbrowneyed Susan · Asteraceae
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Ruellia blechum L. RUBL3Browne's blechum · Acanthaceae -
Ruellia brevifolia (Pohl) Ezcurra RUBR12tropical wild petunia · Acanthaceae -
Ruellia caerulea Morong RUCA19Britton's wild petunia · Acanthaceae -
Ruellia caroliniensis (J.F. Gmel.) Steud. RUCA4Carolina wild petunia · Acanthaceae - Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. caroliniensis RUCAC2Carolina wild petunia · Acanthaceae
- Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. caroliniensis var. caroliniensis RUCAC4Carolina wild petunia · Acanthaceae
- Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. caroliniensis var. succulenta (Small) R.W. Long RUCAS7Carolina wild petunia · Acanthaceae
- Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. ciliosa (Pursh) R.W. Long RUCACCarolina wild petunia · Acanthaceae
- Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. ciliosa (Pursh) R.W. Long var. cinerascens (Fernald) Kartesz & Gandhi RUCAC5Carolina wild petunia · Acanthaceae
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Ruellia ciliatiflora Hook. RUCI3hairyflower wild petunia · Acanthaceae -
Ruellia corzoi Tharp & F.A. Barkley RUCOCorzo's wild petunia · Acanthaceae - Ruellia davisiorum Tharp & F.A. Barkley RUDARio Grande wild petunia · Acanthaceae
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Ruellia drummondiana (Nees) A. Gray RUDRDrummond's wild petunia · Acanthaceae -
Ruellia humilis Nutt. RUHUfringeleaf wild petunia · Acanthaceae - Ruellia malacosperma Greenm. RUMA9softseed wild petunia · Acanthaceae
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Ruellia metziae Tharp RUMEMetz's wild petunia · Acanthaceae -
Ruellia noctiflora (Nees) A. Gray RUNOnightflowering wild petunia · Acanthaceae -
Ruellia nudiflora (Engelm. & A. Gray) Urb. RUNUviolet wild petunia · Acanthaceae - Ruellia nudiflora (Engelm. & A. Gray) Urb. var. nudiflora RUNUNviolet wild petunia · Acanthaceae
- Ruellia nudiflora (Engelm. & A. Gray) Urb. var. runyonii (Tharp & F.A. Barkley) B.L. Turner RUNURRunyon's wild petunia · Acanthaceae
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Ruellia occidentalis (A. Gray) Tharp & F.A. Barkley RUOC4western wild petunia · Acanthaceae -
Ruellia parryi A. Gray RUPA3Parry's wild petunia · Acanthaceae -
Ruellia pedunculata Torr. ex A. Gray RUPE4stalked wild petunia · Acanthaceae - Ruellia pedunculata Torr. ex A. Gray ssp. pedunculata RUPEP2stalked wild petunia · Acanthaceae
- Ruellia pedunculata Torr. ex A. Gray ssp. pinetorum (Fernald) R.W. Long RUPEPstalked wild petunia · Acanthaceae
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Ruellia prostrata Poir. RUPR18prostrate wild petunia · Acanthaceae -
Ruellia purshiana Fernald RUPU2Pursh's wild petunia · Acanthaceae -
Ruellia strepens L. RUST2limestone wild petunia · Acanthaceae - Ruellia yucatana (Leonard) Tharp & F.A. Barkley RUYUYucatan wild petunia · Acanthaceae
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Rugelia nudicaulis Shuttlw. ex Chapm. RUNU2Rugel's Indianplantain · Asteraceae -
Rumex acetosa L. RUAC2garden sorrel · Polygonaceae