Asplenium x helii Lusina the valid name for the hybrids between A. petrarchae (Guérin) DC. and A. trichomanes L. (Aspleniaceae, Pteridophyta)
Subtitle: I : Nomenclatural notes
By: Wilfried Bennert, Rodolfo E. G. Pichi Sermolli ... [et al.].
Published: 1988
Language: eng
Number of pages: 106
Notes: Reprinted from Bauhinia, v. 9, no. 1, 1988, p. 103-106.

Includes bibliographical references (p. 105-106).