Fern, antheridium

The antheridium-inducing factor of the fern Anemia phyllitidis has been shown to have a gibberellin-like structure (101), reminiscent of the rearrangement products of gibberellic acid in concentrated sulphuric acid. ... 

Furber, M. and L. N. Mander, Synthesis and confirmation of structure of the antheridium-inducing factor from the fern Anemia mexicana, J. Am. Chem. Soc., 110, 4084-4085 (1988). 

Nakanishi, K., M. Endo, U. Naf, and L.F. Johnson Structure of the Antheridium-Inducing Factor of the Fern Anemia phyllitidis. J. Amer. Chem. Soc. 93, 5579 (1971). 

Naf, U. Control of Antheridium Formation in the Fern Species Anemiaphyllitides. Nature, 184, 798 (1959). 

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