1. Forma Fucus inflatus f. densus Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
2. Forma Fucus inflatus f. dilutus Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
3. Forma Fucus inflatus f. distichus (Linnaeus) Børgesen, 1902 accepted as Fucus distichus Linnaeus, 1767
4. Forma Fucus inflatus f. edentatus (De La Pylaie) Børgesen, 1902 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
5. Forma Fucus inflatus f. expositus Jónsson, 1903 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
6. Forma Fucus inflatus f. gracilis Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
7. Forma Fucus inflatus f. humilis Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
8. Forma Fucus inflatus f. latifrons Foslie, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
9. Forma Fucus inflatus f. linearis (Oeder) Børgesen, 1902 accepted as Fucus distichus Linnaeus, 1767
10. Forma Fucus inflatus f. membranaceus Rosenvinge, 1898 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
11. Forma Fucus inflatus f. murmanicus E.S.Sinova, 1914 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
12. Forma Fucus inflatus f. nanus Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
13. Forma Fucus inflatus f. nordlandicus Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
14. Forma Fucus inflatus f. principalis Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957 (synonym)
15. Forma Fucus inflatus f. pygmaeus Foslie, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
16. Forma Fucus inflatus f. reductus Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
17. Variety Fucus inflatus var. edentatus (De La Pylaie) Rosenvinge, 1893 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
18. Variety Fucus inflatus var. evanescens (C.Agardh) Rosenvinge, 1893 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
19. Variety Fucus inflatus var. finmarkicus Kjellman, 1890 accepted as Fucus evanescens C.Agardh, 1820 accepted as Fucus distichus subsp. evanescens (C.Agardh) H.T.Powell, 1957
20. Variety Fucus inflatus var. linearis (Oeder) Rosenvinge, 1893 accepted as Fucus distichus Linnaeus, 1767

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