A NEW TROPICAL AMERICAN SPECIES OF THE GENUS LYCOPODIUMOLLGAARD B.1982; AN. FERN J.; ISSN 0002-8444; USA; DA. 1982; VOL. 72; NO 2; PP. 53-55Article

STUDIES IN LYCOPODIACEAE. I. OBSERVATIONS ON THE STRUCTURE OF THE SPORANGIUM WALL = ETUDE DES LYCOPODIACEES. I. OBSERVATION DE LA STRUCTURE DES PAROIS DU SPORANGEOLLGAARD B.1975; AMER. FERN J.; U.S.A.; DA. 1975; VOL. 65; NO 1; PP. 19-27; BIBL. 18REF.Article

New taxa and combinations of Venezuelan lycopodiaceaeOLLGAARD, B.American fern journal. 1989, Vol 79, Num 4, pp 151-154, issn 0002-8444Article

PHENOLIC ACIDS IN THE GENUS LYCOPODIUMPEDERSEN JA; OLLGAARD B.1982; BIOCHEM. SYST. ECOL.; ISSN 0305-1978; GBR; DA. 1982; VOL. 10; NO 1; PP. 3-9; BIBL. 16 REF.Article

HJORTETUNGE (ASPLENIUM SCOLOPENDRIUM L.) I DANMARK = ASPLENIUM SCOLOPENDRIUM AU DANEMARKOLLGAARD B; LOJTNANT B.1975; FLORA OG FAUNA; DANM.; DA. 1975; VOL. 81; NO 1; PP. 5-8; ABS. ANGL.; BIBL. 8REF.Article

Inflorescence structure and generic delimitation of Triplaris and Ruprechtia (Polygonaceae)BRANDBYGE, J; ØLLGAARD, B.Nordic journal of botany. 1984, Vol 4, Num 6, pp 765-769, issn 0107-055XArticle

Composition and structure of a species rich Amazonian rain forest obtained by two different sample methodsKORNING, J; THOMSEN, K; ØLLGAARD, B et al.Nordic journal of botany. 1991, Vol 11, Num 1, pp 103-110, issn 0107-055XArticle

Assessment of patient performance of the HandiHaler® compared with the metered dose inhaler four weeks after instructionDAHL, R; BACKER, V; OLLGAARD, B et al.Respiratory medicine. 2003, Vol 97, Num 10, pp 1126-1133, issn 0954-6111, 8 p.Article

Neotropical Lycopodiaceae―an overviewØLLGAARD, B.Annals of the Missouri Botanical Garden. 1992, Vol 79, Num 3, pp 687-717, issn 0026-6493Conference Paper