Flora of the Southeastern United States
2022 Edition


Data mode

Key to Lygodium

1 Sterile pinnae palmately lobed into 4-8 entire-margined to undulate lobes; [native, mainly inland provinces but also Coatal Plain from SC northwards along the coast]
1 Sterile pinnae pinnately divided into numerous serrate pinnules; [non-native, mainly Coastal Plain, but also inland].
..2 Pinnules usually more than 1-pinnate, the primary divisions further divided or at least basally lobed
..2 Pinnules usually 1-pinnate, the primary divisions usually undivided and without basal lobes