Children (8 direct children, 9 direct and indirect children):
Ulva flexuosa subsp. biflagellata
Ulva flexuosa f. submarina
Ulva flexuosa subsp. flexuosa
Ulva flexuosa var. linziformis
Ulva flexuosa subsp. paradoxa
(tree size 1)
Ulva flexuosa subsp. pilifera
Ulva flexuosa var. profunda
Ulva flexuosa var. pilifera