Lihat Juga

• Figure 4 from: Liu Q, Huang G-Y, Zhang D-G, Zhang J-W, Deng T, Li Z-M (2021) Youngia hangii (Asteraceae, Crepidinae), a new species from Hubei, China. PhytoKeys 182: 27-38. https://doi.org/10.3897/phytokeys.182.71063
  oleh: Liu, Qun, et al.
  Terbitan: (2021)
• Figure 3 from: Liu Q, Huang G-Y, Zhang D-G, Zhang J-W, Deng T, Li Z-M (2021) Youngia hangii (Asteraceae, Crepidinae), a new species from Hubei, China. PhytoKeys 182: 27-38. https://doi.org/10.3897/phytokeys.182.71063
  oleh: Liu, Qun, et al.
  Terbitan: (2021)
• Youngia hangii (Asteraceae, Crepidinae), a new species from Hubei, China
  oleh: Liu, Qun, et al.
  Terbitan: (2021)
• Youngia zhengyiana (Asteraceae, Crepidinae), a new species from south China, with notes on the systematics of Youngia inferred from morphology and nrITS phylogeny
  oleh: Deng, Tao, et al.
  Terbitan: (2014)
• A History of Philosophy
  oleh: B.A.G. Fuller
  Terbitan: (1952)