THE CYCLIC DEVELOPMENT OF MOSSES AND THE LICHEN BAEOMYCES RUFUS IN AN ECOSYSTEMJAHNS HM.1982; LICHENOLOGIST (LOND.); ISSN 0024-2829; GBR; DA. 1982; VOL. 14; NO 3; PP. 261-265; BIBL. 4 REF.Article

THE GENUS PILOPHORUSJAHNS HM.1981; MYCOTAXON; ISSN 0093-4666; USA; DA. 1981; VOL. 13; NO 2; PP. 289-330; BIBL. 2 P.Article

MORPHOLOGICAL AND ANATOMICAL OBSERVATIONS ON PRECAMBRIAN PLANTS FROM THE WITWATERSRAND CONGLOMERATES, SOUTH AFRICA.HALLBAUER DK; JAHNS HM.sdIN: INT. SYMP. FOSSIL ALGAE; ERLANGEN; 1975; ERLANGEN UNIV. ERLANGEN-NUERNBERG; RESUME.,1975, P. 49 A 50Miscellaneous

DAS MIKROKLIMA DICHT BENACHBARTER FLECHTENSTANDORTE = LE MICROCLIMAT DES HABITATS DE LICHENS ADJACENTSJAHNS HM; OTT S.1983; FLORA (JENA, 1970); ISSN 0367-2530; DDR; DA. 1983; VOL. 173; NO 3-4; PP. 183-222; ABS. ENG; BIBL. 2 P.Article

MORPHOGENETISCHE UNTERSUCHUNGEN AN CETRARIA ISLANDICA = ETUDE MORPHOGENETIQUE DE C.I.JAHNS HM; SCHUSTER G.1981; BEITR. BIOL. PFLANZ.; ISSN 0005-8041; DEU; DA. 1981; VOL. 55; NO 3; PP. 427-453; ABS. ENG; BIBL. 7 REF.Article

ATTACK OF LICHENS ON QUARTZITIC ROCK SURFACES.HALLBAUER DK; JAHNS HM.1977; LICHENOLOGIST; G.B.; DA. 1977; VOL. 9; NO 2; PP. 119-122; BIBL. 1 REF.Article

BAEOMYCES-FUNDE AUS DEM HIMALAYA. UNTERSUCHUNGEN ZUR TAXONOMIE DER GATTUNG BAEOMYCES (III) LICHENES, BAEOMYCETACEAE (FLECHTEN DES HIMALAYA 7) = LES B. DE L'HIMALAYA. ANALYSE DE LA TAXONOMIE DU GENRE B. III. L., B. (LICHENS DE L'HIMALAYA 7)JAHNS HM; SEELEN EJR.1974; KHUMBU HIMAL; DTSCH.; DA. 1974; VOL. 6; NO 2; PP. 101-108; ABS. ANGL.; BIBL. 10REF.Article

MORPHOLOGICAL AND ANATOMICAL OBSERVATIONS ON SOME PRECAMBRIAN PLANTS FROM THE WITWATERSRAND, SOUTH AFRICA.HALLBAUER DK; JAHNS HM; BELTMANN HA et al.1977; GEOL. RDSCH.; DTSCH.; DA. 1977; VOL. 66; NO 2; PP. 477-491; H.T. 3; ABS. ALLEM. FR. RUSSE; BIBL. 1 P.; 29 ILL.Article

DIE VARIABILITAET VEGETATIVER UND GENERATIVER FLECHTENSTRUKTUREN UND IHRE BEDEUTUNG FUER DIE SYSTEMATIK = LA VARIABILITE DES STRUCTURES VEGETATIVES ET REPRODUCTRICES CHEZ LES LICHENS ET LEUR IMPORTANCE SYSTEMATIQUEJAHNS HM; PFEIFER K; SCHUSTER G et al.1982; BER. DTSCH. BOT. GES.; ISSN 0365-9631; DEU; DA. 1982; VOL. 95; NO 2; PP. 313-322; ABS. ENG; BIBL. 16 REF.Article

CALATHASPIS, A NEW GENUS OF THE LICHEN FAMILY CLADONIACEAELAMB IM; WEBER WA; JAHNS HM et al.1972; OCCAS. PAPERS FARLOW HERB. CRYPTOG. BOT.; U.S.A.; DA. 1972; NO 4; PP. 1-12; BIBL. 3 REF.Serial Issue

CHRONOLOGICAL SEQUENCE, SYNCHRONIZATION AND INDUCTION OF THE DEVELOPMENT OF FRUIT BODIES IN CLADONIA FURCATA VAR. FURCATA (HUDS.) SCHRAD.JAHNS HM; HEROLD K; BELTMAN HA et al.1978; NOVA HEDWIGIA; DEU; DA. 1978; VOL. 30; PP. 469-526; BIBL. 16 REF.Article