Muriithi, R., & Kamau, P. (2023). [Data card 45000 for plant Compositae Sphaeranthus kirkii: Known as Mwamtsunzu in Digo. East African Herbarium.
Chicago-viite (17. p.)Muriithi, Richard, ja Peris Kamau. [Data Card 45000 for Plant Compositae Sphaeranthus Kirkii: Known as Mwamtsunzu in Digo. [Nairobi, Kenya: East African Herbarium, 2023.
MLA-viite (8. p.)Muriithi, Richard, ja Peris Kamau. [Data Card 45000 for Plant Compositae Sphaeranthus Kirkii: Known as Mwamtsunzu in Digo. East African Herbarium, 2023.
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