Orobanche tubulosa Orobanche umbellata Rechsteineria tubulosa Tulisma verticillata Corytholoma confertifolium Corytholoma douglasii Corytholoma maculatum Corytholoma polyanthum Corytholoma verticillatum Dircaea picta Gesneria douglasii Gesneria douglasii var. verticillata Gesneria hookeri Gesneria maculata Gesneria purpurea Corytholoma douglasii var. verticillatum Rechsteineria douglasii Orobanche verticillata Rechsteineria confertifolia Rechsteineria verticillata Sinningia verticillata Gesneria maculata Gesneria pardina Rechsteineria maculata Gesneria confertifolia Gesneria punctata Gesneria verticillata
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024