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Species concepts in pteridophytes: summary and synthesisHAUFLER, C. H.American fern journal. 1989, Vol 79, Num 2, pp 90-93, issn 0002-8444Article

Structure and affinities of the petrified plants from the Cretaceous of Japan and Saghalien. V: Tree fern stems from Hokkaido, Paracyathocaulis ogurae gen. et comb. nov. and Cyathocaulis yezopteroides sp. novNISHIDA, H.Shokubutsugaku Zasshi. 1989, Vol 102, Num 1066, pp 255-282, issn 0006-808X, 28 p.Article

Chemosystematics of the Pteridophytes, Berlin, 26 July 1987COOPER-DRIVER, Gillian A.Biochemical systematics and ecology. 1989, Vol 17, Num 2, issn 0305-1978, 89-174 [86 p.]Conference Proceedings

Cryptic species, species delimitation, and taxonomic practice in the homodporous fernsPARIS, C. A; WAGNER, F. S; WAGNER, W. H. JR et al.American fern journal. 1989, Vol 79, Num 2, pp 46-54, issn 0002-8444Article

Species concepts on pteridophytes: the treatment and definition of agamosporous speciesGASTONY, G. J; WINDHAM, M. D.American fern journal. 1989, Vol 79, Num 2, pp 65-77, issn 0002-8444Article

Primary fdivergence and species concepts in fernsYATSKIEVYCH, G; MORAN, R. C.American fern journal. 1989, Vol 79, Num 2, pp 36-45, issn 0002-8444Article

William Jackson Hooker and the generic classification of fernsPARIS, C. A; BARRINGTON, D. S.Annals of the Missouri Botanical Garden. 1990, Vol 77, Num 2, pp 228-238, issn 0026-6493, 11 p.Article

Polypodium flabelliforme reconsideredBISHOP, L. E.Taxon. 1989, Vol 38, Num 1, pp 91-95, issn 0040-0262Article

Obscurinine: a new lycopodium alkaloidTINGMO HU; CHANDLER, R. F; HANSON, A. W et al.Tetrahedron letters. 1987, Vol 28, Num 48, pp 5993-5996, issn 0040-4039Article

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STRATIGRAPHIC IMPORTANCE OF THE DEVONIAN FLORA OF THE USSR.PETROSYAN NM.1967; INTERNAT.SYMPOSIUM.ON.THE.DEVONIAN.SYSTEM.CALGARY.ALBERTA.SOC.PETROLEM .GEOL.ALBERTA.; 1967, VOL. 2, P. 579 A 586Miscellaneous

Marian Raciborski's Malesian Pteridophyta in KRAKÖHLER, P. S.Taxon. 1990, Vol 39, Num 2, issn 0040-0262, p. 229Article

Proposal to conserve Marsilea L. (Pteridophyta: Marsileaceae) with Marsilea quadrifolia as typ. conservJOHNSON, D. M.Taxon. 1988, Vol 37, Num 2, pp 483-486, issn 0040-0262Article

Remarks on reproductive biology of homosporous fernsSCHNELLER, J. J.Plant systematics and evolution. 1988, Vol 161, Num 1-2, pp 91-94, issn 0378-2697Article

The Henry Parker Sartwell herbarium of Hamilton CollegeCHOLEWA, A. F; WETTER, M. A.Brittonia. 1988, Vol 40, Num 1, pp 66-75, issn 0007-196XArticle

A binomial for a common hybrid LycopodiumCUSICK, A. W.American fern journal. 1987, Vol 77, Num 3, issn 0002-8444, 100Article

The disposition of Trichopteris (Cyatheaceae)LELLINGER, D. b.American fern journal. 1987, Vol 77, Num 3, pp 90-94, issn 0002-8444Article

Notas corológicas sobre pteridófitos gallegos. II = Remarques chorologiques sur les Pteridophytes de Galice. II = Chorological notes on Pteridophytes from GaliciaHORJALES, M; REDONDO, N; PEREZ PREGO, J. M. M et al.Anales del Jardín Botánico de Madrid (1979). 1988, Vol 45, Num 1, pp 338-341, issn 0211-1322Article

Some questions about natural hybrids in fernsWAGNER, W. H. JR.Botanica helvetica. 1987, Vol 97, Num 2, pp 195-205, issn 0253-1453Article

CYTOTAXONOMIC STUDIES ON JAPANESE SPECIES OF THE GENUS LYCOPODIUM SENSU LATOTAKAMIYA M; KURITA S.1983; ACTA PHYTOTAXONOMICA ET GEOBOTANICA; ISSN 0001-6799; JPN; DA. 1983; VOL. 34; NO 1-3; PP. 66-79; BIBL. 2 P.Article

FLAVONOLS OF THE FERN GENUS DRYOPTERIS: SYSTEMATIC AND MORPHOLOGICAL IMPLICATIONSPETERSEN RL; FAIRBROTHERS DE.1983; BOTANICAL GAZETTE (CHICAGO); ISSN 0006-8071; USA; DA. 1983; VOL. 144; NO 1; PP. 104-109; BIBL. 26 REF.Article

GENES ENCODING ACTIN IN HIGHER PLANTS: INTRON POSITIONS ARE HIGHLY CONSERVED BUT THE CODING SEQUENCES ARE NOTSHAH DM; HIGHTOWER RC; MEAGHER RB et al.1983; JOURNAL OF MOLECULAR AND APPLIED GENETICS; ISSN 0271-6801; USA; DA. 1983; VOL. 2; NO 1; PP. 111-126; BIBL. 43 REF.Article

MICROFIBRILS IN THE XYLEM OF BLECHNUM VIVIPARUMGOMEZ PLD.1983; AMERICAN FERN JOURNAL; ISSN 0002-8444; USA; DA. 1983; VOL. 73; NO 2; PP. 63Article

THE TYPIFICATION OF LINNAEAN PLANT NAMES: A PROJECT OF THE LINNEAN SOCIETY OF LONDONCANNON JFM; JARVIS CE; ROBSON NKB et al.1983; TAXON; ISSN 0040-0262; NLD; DA. 1983; VOL. 32; NO 1; PP. 76-78; BIBL. 1 REF.Article