Distribution and Habitat Types of Cyatheaceae in Guangdong

From 2021 to 2022, the geographical distribution, distribution characteristics, habitat types and distribution area division of Cyatheaceae plants in Guangdong were discussed in accordance with the List of Plant Species in China (2022) by combining field survey and consulting relevant data.The results showed that there were 3 genera and 10 species of Cyatheaceae in Guangdong Province, accounting for 56% of the total species in China.Among them, Alsophila spinulosa, A.gigantea and Gymnosphaera podophylla are widely distributed in Guangdong; A.denticulata and G.metteniana are mainly distributed in northern Guangdong; G.bonii is mainly distributed in central and western Guangdong; G.henryi is mainly distributed in central Guangdong; A.costularia and Sphaeropteris brunoniana are only distributed in Yunkai Mountains; S.lepifera is a cultivated species, mainly distributed in Guangzhou, Shenzhen and Conghua.The vertical distribution range of Cyatheaceae in Guangdong is about 85-1300 m above sea level.The vegetation types of Cyatheaceae in Guangdong can be divided into tropical monsoon forest, subtropical evergreen monsoon forest, subtropical evergreen broad-leaved forest and valley rain forest.Its geographical distribution can be divided into four regions: western Guangdong, northern Guangdong, eastern Guangdong and central Guangdong, of which western and northern Guangdong have the most abundant species of Cyatheaceae.