Index / States / Oklahoma

§1State listing — Southwest

Oklahoma

a regional flora of 77 counties

State code: OK · FIPS 40
Taxa recorded: 2,768
Counties: 77

§2Counties

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77 counties

§3Catalogue

All taxa recorded in Oklahoma

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All Native Introduced Both

Showing 2,751–2,768 of 2,768.

Woodsia oregana D.C. Eaton ssp. cathcartiana (B.L. Rob.) Windham Native WOORC2

Oregon cliff fern · Dryopteridaceae 1 county
Xanthisma texanum DC. Native XATE

Texas sleepydaisy · Asteraceae 25 counties
Xanthisma texanum DC. var. drummondii (Torr. & A. Gray) A. Gray Native XATED

Drummond's sleepydaisy · Asteraceae 25 counties
Xanthium strumarium L. Native XAST

rough cocklebur · Asteraceae 27 counties
Yucca arkansana Trel. Native YUAR2

Arkansas yucca · Agavaceae 13 counties
Yucca glauca Nutt. Native YUGL

soapweed yucca · Agavaceae 25 counties
Yucca harrimaniae Trel. Native YUHA

Spanish bayonet · Agavaceae 1 county
Yucca harrimaniae Trel. var. neomexicana (Wooton & Standl.) Reveal Native YUHAN

New Mexico Spanish bayonet · Agavaceae 1 county
Yucca louisianensis Trel. Native YULO

Gulf Coast yucca · Agavaceae 4 counties
Zannichellia palustris L. Native ZAPA

horned pondweed · Zannichelliaceae 12 counties
Zanthoxylum americanum Mill. Native ZAAM

common pricklyash · Rutaceae 8 counties
Zanthoxylum hirsutum Buckley Native ZAHI2

Texas Hercules' club · Rutaceae 2 counties
Zigadenus nuttallii (A. Gray) S. Watson Native ZINU

Nuttall's deathcamas · Liliaceae 18 counties
Zinnia grandiflora Nutt. Native ZIGR

Rocky Mountain zinnia · Asteraceae 14 counties
Zizia aptera (A. Gray) Fernald Native ZIAP

meadow zizia · Apiaceae 2 counties
Zizia aurea (L.) W.D.J. Koch Native ZIAU

golden zizia · Apiaceae 18 counties
Ziziphus obtusifolia (Hook. ex Torr. & A. Gray) A. Gray Native ZIOB

lotebush · Rhamnaceae 4 counties
Ziziphus obtusifolia (Hook. ex Torr. & A. Gray) A. Gray var. obtusifolia Native ZIOBO

lotebush · Rhamnaceae 4 counties