CAB p. 678 (Henequén)

Web. 3 (Henequen also heniquen: Fiber) (The agave (Agave fourcroydes) that yields henequen)

Random House (Henequen: Fiber of agave Agave fourcroydes.) (Also, henequin)

SPN (Agave fourcroydes (ixtli; longifolia; rigida) Henequen Agave)

Hortus 3 (Agave fourcroydes Lem. Henequen)

CAB thes. (Agave fourcroydes rt henequen)

FAO plants (Agave fourcroydes henequen)

Terrel Cklist. names 3,000 vasc. plants of econ. import. (Agave fourcroydes Lemaire henequen)