Bibliographic Detail
Coesel, P.F.M., 1989
Reference:
Coesel, P.F.M. (1989). Taxonomic notes on Dutch desmids. Cryptogamie Algologie 10(3): 181-193, 4 pls. [in English; English and French absctacts]
Publication Date:
20 August 1989
Abstract:
From the Netherlands four desmid taxa are newly described: Cosmarium asterosporum spec, nov., C. sphyrelatum spec, nov., C. magnificum Nordst. var. minus var. nov., C. subprotumidum Nordst. var. pyramidale var. nov., and C. subbroomei Schmidle forma isthmochondrum f. nov. Of eight taxa the names are newly given or recombined: Cosmarium dickiei nom. nov., C. messikommeri nom. nov., C. contractum Kirchn. var. minutum (Delp.) comb, nov., C. margaritiferum Menegh. ex Ralfs var. badense (Schmidle) comb, nov., C. subprotumidum Nordst. var. septentrionale (Croasd.) comb, nov., C. luxuriosum (Kouwets) stat, nov., C. notatum (Gronbl.) stat. nov., and C. sexnotatum Gutw. var. bipunctatum (Wolosz.) stat. nov. The names Cosmarium dilatatum Jàrnefelt & Gronbl., and C. subquadrans W. & G.S. West var. minor Symoens are validated. Zygospores of C. asterosporum, C. messikommeri, and C. notatum are described for the first time.
