Humboltia fragilis Pleurothallis fragilis Pleurothallis subcordifolia Pleurothallis caespitosa var. chrysantha Pleurothallis caespitosa var. monantha Pleurothallis platycaulis Pleurothallis caespitosa Pleurothallis luteola Specklinia luteola
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024