The sperm of ferns detect unfertilized archegonia via a malate signal.

“In higher plants, we find positive chemotaxis in fern sperms, which respond to a malate signal from unfertilized archegonia.” (Bar-Cohen 2006:474)

Bar-Cohen Y. Biomimetics: biologically inspired technologies. Bar-Cohen Y, editor. Boca Raton, FL: CRC/Taylor & Francis; 2006. 527 p.

Last Updated August 18, 2016