Cass County

Showing 401–450 of 490.

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  Sagittaria calycina Engelm. Native SACA21

  hooded arrowhead · Alismataceae
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  Sagittaria calycina Engelm. var. calycina Native SACAC

  hooded arrowhead · Alismataceae
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  Sagittaria montevidensis Cham. & Schltdl. Introduced SAMO

  giant arrowhead · Alismataceae
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  Sagittaria platyphylla (Engelm.) J.G. Sm. Native SAPL

  delta arrowhead · Alismataceae
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  Salix nigra Marshall Native SANI

  black willow · Salicaceae
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  Salvia azurea Michx. ex Lam. Native SAAZ

  azure blue sage · Lamiaceae
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  Salvia azurea Michx. ex Lam. var. azurea Native SAAZA

  azure blue sage · Lamiaceae
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  Salvia azurea Michx. ex Lam. var. grandiflora Benth. Native SAAZG

  pitcher sage · Lamiaceae
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  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae
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  Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4

  American black elderberry · Caprifoliaceae
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  Saururus cernuus L. Native SACE

  lizard's tail · Saururaceae
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  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae
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  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae
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  Scleria oligantha Michx. Native SCOL2

  littlehead nutrush · Cyperaceae
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  Scutellaria integrifolia L. Native SCIN2

  helmet flower · Lamiaceae
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  Sesbania vesicaria (Jacq.) Elliott Native SEVE

  bagpod · Fabaceae
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  Setaria parviflora (Poir.) Kerguélen Native SEPA10

  marsh bristlegrass · Poaceae
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  Silene gallica L. Introduced SIGA

  common catchfly · Caryophyllaceae
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  Solanum carolinense L. Native SOCA3

  Carolina horsenettle · Solanaceae
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  Solanum carolinense L. var. carolinense Native SOCAC4

  Carolina horsenettle · Solanaceae
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  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae
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  Solidago petiolaris Aiton Native SOPE

  downy ragged goldenrod · Asteraceae
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  Solidago petiolaris Aiton var. angusta (Torr. & A. Gray) A. Gray Native SOPEA

  downy ragged goldenrod · Asteraceae
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  Solidago radula Nutt. Native SORA

  western rough goldenrod · Asteraceae
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  Solidago tortifolia Elliott Native SOTO2

  twistleaf goldenrod · Asteraceae
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  Solidago ulmifolia Muhl. ex Willd. Native SOUL2

  elmleaf goldenrod · Asteraceae
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  Sorghastrum elliottii (C. Mohr) Nash Native SOEL3

  slender Indiangrass · Poaceae
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  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae
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  Sparganium americanum Nutt. Native SPAM

  American bur-reed · Sparganiaceae
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  Spiranthes brevilabris Lindl. Native SPBR

  Texas lady's tresses · Orchidaceae
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  Spiranthes cernua (L.) Rich. Native SPCE

  nodding lady's tresses · Orchidaceae
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  Spiranthes odorata (Nutt.) Lindl. Native SPOD

  marsh lady's tresses · Orchidaceae
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  Spiranthes praecox (Walter) S. Watson Native SPPR2

  greenvein lady's tresses · Orchidaceae
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  Spiranthes tuberosa Raf. Native SPTU

  little lady's tresses · Orchidaceae
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  Spiranthes vernalis Engelm. & A. Gray Native SPVE

  spring lady's tresses · Orchidaceae
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  Spirodela polyrrhiza (L.) Schleid. Native SPPO

  common duckmeat · Lemnaceae
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  Stenanthium gramineum (Ker Gawl.) Morong Native STGR2

  eastern featherbells · Liliaceae
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  Strophostyles leiosperma (Torr. & A. Gray) Piper Native STLE6

  slickseed fuzzybean · Fabaceae
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  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray Native STPI3

  Pickering's dawnflower · Convolvulaceae
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  Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray var. pattersonii (Fernald & B.G. Schub.) Myint Native STPIP2

  Patterson's dawnflower · Convolvulaceae
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  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2

  sidebeak pencilflower · Fabaceae
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  Symphyotrichum patens (Aiton) G.L. Nesom Native SYPA11

  late purple aster · Asteraceae
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  Symphyotrichum patens (Aiton) G.L. Nesom var. patens Native SYPAP2

  late purple aster · Asteraceae
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  Symphyotrichum pratense (Raf.) G.L. Nesom Native SYPR7

  barrens silky aster · Asteraceae
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  Taxodium distichum (L.) Rich. Native TADI2

  bald cypress · Cupressaceae
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  Tephrosia onobrychoides Nutt. Native TEON

  multibloom hoarypea · Fabaceae
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  Tephrosia virginiana (L.) Pers. Native TEVI

  Virginia tephrosia · Fabaceae
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  Teucrium canadense L. Native TECA3

  Canada germander · Lamiaceae
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  Thalictrum arkansanum B. Boivin Native THAR

  Arkansas meadow-rue · Ranunculaceae
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  Thelesperma filifolium (Hook.) A. Gray Native THFI

  stiff greenthread · Asteraceae