THE PHYTOGEOGRAPHY OF LEAF MORPHOLOGY IN TWO SPECIES OF NORTH AMERICAN ASTERS: LASALLEA NOVAE-ANGLIAE AND L. OBLONGIFOLIA (COMPOSITAE)SEMPLE JC; FORD J.1981; BRITTONIA; ISSN 0007-196X; USA; DA. 1981; VOL. 33; NO 4; PP. 517-522; BIBL. 8 REF.Article

CHROMOSOME NUMBERS AND SATELLITE CHROMOSOME MORPHOLOGY IN ASTER AND LASALLEASEMPLE JC; BROUILLET L.1980; AM. J. BOT.; USA; DA. 1980; VOL. 67; NO 7; PP. 1027-1039; BIBL. 2 P.Article

VIRGULUS RAF. (1837), AN EARLIER NAME FOR LASALLEA GREENE (1903) (ASTERACEAE)REVEAL JL; KEENER CS.1981; TAXON; ISSN 0040-0262; NLD; DA. 1981; VOL. 30; NO 3; PP. 648-651; BIBL. 7 REF.Article

CHROMOSOME NUMBERS AND SATELLITE CHROMOSOME MORPHOLOGY IN ASTER AND LASALLEASEMPLE JC; BROUILLET L.1980; AM. J. BOT.; ISSN 0002-9122; USA; DA. 1980; VOL. 67; NO 7; PP. 1027-1039; BIBL. 2 P.Article