DE NOUVEAU SUR LE GENRE GYMNOCARPIUM NEWM. DE SIBERIE ORIENTALEGRUBOV VI.1975; NOV. SISTEMAT. VYSSH. RASTEN.; S.S.S.R.; DA. 1975; VOL. 12; PP. 5-6; BIBL. 4 REF.Article

SPORE MORPHOLOGY OF THE FERN GENUS GYMNOCARPIUM AND ITS RELATIONS TO THE TAXONOMYSORSA P.1980; ANN. BOT. FENN.; FIN; DA. 1980; VOL. 17; NO 1; PP. 86-90; BIBL. 6 REF.Article

The status and typification of Phegopteris and GymnocarpiumMCNEILL, J; PRYER, K. M.Taxon. 1985, Vol 34, Num 1, pp 136-143, issn 0040-0262Article

Habitat-related differences between the vicarious fern species Gymnocarpium dryopteris and G. robertianumGARTMANN, F.Annales botanici Fennici. 1988, Vol 25, Num 3, pp 261-274, issn 0003-3847Article

A numerical analysis of chromatographic profiles in North American taxa of the fern genus GymnocarpiumPRYER, K. M; BRITTON, D. M; MCNEILL, J et al.Canadian journal of botany. 1983, Vol 61, Num 10, pp 2592-2602, issn 0008-4026Article

STUDIES ON THE GYMNOCARPIUM ROBERTIANUM COMPLEX IN NORTH AMERICASARVELA J; BRITTON DM; PRYER K et al.1981; RHODORA; ISSN 0035-4902; USA; DA. 1981; VOL. 83; NO 835; PP. 421-431; BIBL. 7 REF.Article

The status of Gymnocarpium heterosporum and G. robertianum in PennsylvaniaPRYER, K. M.American fern journal. 1992, Vol 82, Num 1, pp 34-39, issn 0002-8444Article

Rediscovery of Gymnocarpium dryopteris in ArizonaBOUCHER, P. F.American fern journal. 1988, Vol 78, Num 2, issn 0002-8444, 71Article

Isozymic and chromosomal evidence for the allotetraploid origin of Gymnocarpium dryopteris (Dryopyteridaceae)PRYER, K. M; HAUFLER, C. H.Systematic botany. 1993, Vol 18, Num 1, pp 150-172, issn 0363-6445Article