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| Kingdom Animalia |
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Anthocopa hemizoniae (Cockerell, 1935) – invalid
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Atoposmia hemizoniae (Cockerell, 1935) – valid
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Cylindrocopturus hemizoniae Van Dyke, 1930 – valid
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Osmia hemizoniae Cockerell, 1935 – invalid |
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| Kingdom Plantae |
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Hemizonia DC. – accepted – tarweed
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Hemizonia arida D.D. Keck – not accepted – Redrock tarweed
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Hemizonia australis (D.D. Keck) D.D. Keck – not accepted
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Hemizonia calyculata (Babc. & H.M. Hall) D.D. Keck – not accepted
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Hemizonia cleavelandii Greene – not accepted
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Hemizonia clementina Brandegee – not accepted – Catalina tarweed
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Hemizonia clevelandii Greene – not accepted
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Hemizonia congesta DC. – accepted – hayfield tarweed
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Hemizonia congesta ssp. calyculata Babc. & H.M. Hall – accepted – hayfield tarweed
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Hemizonia congesta ssp. clevelandii (Greene) Babc. & H.M. Hall – accepted – hayfield tarweed
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Hemizonia congesta ssp. congesta DC. – accepted – hayfield tarweed
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Hemizonia congesta ssp. leucocephala (Tanowitz) Keil – not accepted – hayfield tarweed
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Hemizonia congesta ssp. lutescens (Greene) Babc. & H.M. Hall – accepted – hayfield tarweed
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Hemizonia congesta ssp. luzulifolia (DC.) Babc. & H.M. Hall – accepted – hayfield tarweed
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Hemizonia congesta ssp. tracyi Babc. & H.M. Hall – accepted – hayfield tarweed
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Hemizonia congesta ssp. vernalis (D.D. Keck) Tanowitz – not accepted – hayfield tarweed
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Hemizonia conjugens D.D. Keck – not accepted – Otay tarplant, Otay tarweed
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Hemizonia corymbosa (DC.) Torr. & A. Gray – not accepted – coastal tarweed
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Hemizonia corymbosa ssp. corymbosa (DC.) Torr. & A. Gray – not accepted – coastal tarweed
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Hemizonia corymbosa ssp. macrocephala (Nutt.) D.D. Keck – not accepted – coastal tarweed
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Hemizonia douglasii A. Gray – not accepted
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Hemizonia fasciculata (DC.) Torr. & A. Gray – not accepted – clustered tarweed
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Hemizonia fitchii A. Gray – not accepted – Fitch's tarweed
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Hemizonia floribunda A. Gray – not accepted – Tecate tarweed
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Hemizonia fremontii (A. Gray) A. Gray – not accepted
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Hemizonia halliana D.D. Keck – not accepted – Hall's tarweed
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Hemizonia hispida Greene – not accepted
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Hemizonia increscens (H.M. Hall ex D.D. Keck) Tanowitz – not accepted – grassland tarweed
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Hemizonia increscens ssp. foliosa (Hoover) Tanowitz – not accepted – grassland tarweed
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Hemizonia increscens ssp. increscens (H.M. Hall ex D.D. Keck) Tanowitz – not accepted – grassland tarweed
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Hemizonia increscens ssp. villosa Tanowitz – not accepted – grassland tarweed
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Hemizonia kelloggii Greene – not accepted – Kellogg's tarweed
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Hemizonia laevis (D.D. Keck) D.D. Keck – not accepted
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Hemizonia leucocephala Tanowitz – not accepted
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Hemizonia lobbii Greene – not accepted – threeray tarweed
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Hemizonia lutescens (Greene) D.D. Keck – not accepted
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Hemizonia luzulifolia DC. – not accepted
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Hemizonia luzulifolia ssp. luzulifolia DC. – not accepted – hayfield tarweed
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Hemizonia luzulifolia ssp. rudis (Benth.) D.D. Keck – not accepted
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Hemizonia luzulifolia ssp. tracyi Babc. & H.M. Hall – not accepted
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Hemizonia luzulifolia var. lutescens Greene – not accepted
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Hemizonia minthornii Jeps. – not accepted – Santa Susana tarweed
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Hemizonia mohavensis D.D. Keck – not accepted – Mojave tarweed
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Hemizonia mollis (A. Gray) A. Gray – not accepted
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Hemizonia multicaulis Hook. & Arn. – not accepted
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Hemizonia multicaulis ssp. vernalis D.D. Keck – not accepted
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Hemizonia multicaulis var. multicaulis Hook. & Arn. – not accepted
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Hemizonia multiglandulosa var. sparsa A. Gray – not accepted
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Hemizonia oppositifolia Greene – not accepted
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Hemizonia pallida D.D. Keck – not accepted – Kern tarweed
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Hemizonia paniculata A. Gray – not accepted – San Diego tarweed
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Hemizonia paniculata ssp. increscens H.M. Hall ex D.D. Keck – not accepted
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Hemizonia paniculata var. paniculata A. Gray – not accepted
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Hemizonia parryi Greene – not accepted – pappose tarweed
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Hemizonia parryi ssp. australis D.D. Keck – not accepted – pappose tarweed
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Hemizonia parryi ssp. congdonii (B.L. Rob. & Greenm.) D.D. Keck – not accepted – Congdon's tarweed
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Hemizonia parryi ssp. parryi Greene – not accepted – pappose tarweed
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Hemizonia parryi ssp. rudis (Greene) D.D. Keck – not accepted – pappose tarweed
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Hemizonia pauciflora (A. Gray) A. Gray – not accepted
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Hemizonia pentactis (D.D. Keck) D.D. Keck – not accepted – Salinas River tarweed
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Hemizonia pugens (Hook. & Arn.) Torr. & A. Gray – not accepted
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Hemizonia pugens var. laevis D.D. Keck – not accepted
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Hemizonia pugens var. maritima (Greene) D.D. Keck – not accepted
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Hemizonia pugens var. pugens (Hook. & Arn.) Torr. & A. Gray – not accepted
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Hemizonia pugens var. septentrionalis D.D. Keck – not accepted
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Hemizonia pungens (Hook. & Arn.) Torr. & A. Gray – not accepted – spikeweed, common tarweed, common spikeweed
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Hemizonia pungens ssp. laevis D.D. Keck – not accepted – common tarweed, spikeweed
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Hemizonia pungens ssp. maritima (Greene) D.D. Keck – not accepted – spikeweed, common tarweed
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Hemizonia pungens ssp. pungens (Hook. & Arn.) Torr. & A. Gray – not accepted – spikeweed, common tarweed
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Hemizonia pungens ssp. septentrionalis D.D. Keck – not accepted – spikeweed, common tarweed
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Hemizonia pungens var. septentrionalis (D.D. Keck) Cronquist – not accepted
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Hemizonia ramosissima Benth. – not accepted
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Hemizonia scabrella E. Drew – not accepted
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Hemizonia spicata Greene – not accepted
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Hemizonia tenella (Nutt.) A. Gray – not accepted
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Hemizonia tracyi (Babc. & H.M. Hall) D.D. Keck – not accepted
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Hemizonia truncata (DC.) A. Gray – not accepted |
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