Eulophia horsfallii subsp. horsfallii is accepted species in
the family
Orchidaceae
subfamily:
Epidendroideae,
tribe:
Cymbidieae,
subtribe:
Eulophiinae,
Genus
Eulophia 
Infraspecific taxa recognized within Eulophia horsfallii:
infraspecific taxa
This species is found in Angola, Benin, Botswana, Burundi, Cameroon, Central African Repu, Congo, Equatorial Guinea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Malawi, Mozambique, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe.