Cross section of Psilotum stem - Photomicrograph of a stem x.s. of Psilotum nudum.

Gene order - Psilotum nudum genome.

Psilotum meiosporangium - Photomicrograph of cross section.

Psilotum nudum - Photographic image from Hawaii.

Psilotum nudum - Close-up photographic image from Hawaii.

Psilotum nudum - Habit image from Hawaii.

Psilotum nudum - Image collection.

Psilotum nudum - Description and two images.

Psilotum nudum - Image and cultivation suggestions for whisk fern.

Psilotum nudum - Description and propagation methods.

Psilotum nudum - A review of the evidence that Psilotum belongs with the ferns in the Polypodiophyta or that it is associated with early Devonian plants.

Psilotum nudum - Entry from NatureServe includes distribution map for the USA and conservation status by state.

Psilotum nudum (L.) Griseb. - Detailed accession record from University of Connecticut.

Psilotum nudum (L.) P.Beauv. - Taxonomic data photographic image and mapped distribution from Atlas of Florida Vascular Plants.

The puzzle of Psilotum - Is Psilotum primitive or a fern?

Whisk Fern Psilotum nudum - Illustrated description from plants of southern Florida.