Figure 3 from: Liu H-M, Shen J-Y, Liang Z-L, Peng F, Wang W-Z, Yang Z-W, Wang S, Parris B, Schneider H (2019) Two out of one: revising the diversity of the epiphytic fern genus Scleroglossum (Polypodiaceae, Grammitidoideae) in southern China. In: Cai J, Yu W-B, Zhang T, Li D-Z (Eds) Revealing of the plant diversity in China's biodiversity hotspots. PhytoKeys 130: 115-133. https://doi.org/10.3897/phytokeys.130.33979

Figure 3 Similarity clustering of the Chinese provinces that are home to at least one grammitid ferns. The clustering analysis was carried out using Jaccard distances and the NJ-tree building algorithm. The underlying scoring (Table 1) was carried out as absence (0) and presence (1).