Search for Houstonia nigricans returned 797 results.

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  1. species: Houstonia filifolia (Chapm.) Small

    Synonym of Stenaria nigricans var. nigricans null

  2. species: Houstonia spellenbergii (G.L.Nesom & Vorobik) Terrell

  3. species: Houstonia arenaria Rose

    Synonym of Stenotis arenaria (Rose) Terrell

  4. species: Houstonia microphylla Willd.

    Synonym of Oldenlandia neomicrophylla Govaerts

  5. species: Houstonia terrellii (Lorence) Terrell & H.Rob.

    Synonym of Mexotis terrellii (Lorence) Terrell & H.Rob.

  6. species: Houstonia rigidiuscula (A.Gray) Wooton & Standl.

    Synonym of Houstonia purpurea var. purpurea null

  7. species: Houstonia rupicola Greenm.

    Synonym of Stenaria rupicola (Greenm.) Terrell

  8. species: Houstonia triflora (Kunth) A.Gray

    Synonym of Bouvardia multiflora (Cav.) Schult. & Schult.f.

  9. species: Houstonia geniculata Raf.

    Synonym of Houstonia pusilla Schoepf

  10. species: Houstonia lanceolata (Poir.) Britton

    Synonym of Houstonia purpurea var. calycosa A.Gray