LEADER 00000nam 2200265 a 4500 001 0155453 003 UkHlHU 007 t 008 000611 0 1969 000 eng 040 UkHlHU 050 4 QK1 N27 P9(1) 100 0 Ireland, Robert R. 245 02 A taxonomic revision of the genus Plagiothecium for North America. 260 Ottawa :|bNational Museum of Natural Sciences,|c1969. 300 118p. 440 0 Publications in botany ;|vno.1. 650 0 Cryptogams. 650 0 Bryology. 650 0 Mosses|x. 650 0 Cryptogams. 650 0 Mosses|xMusci. 946 650 |a & |x subfields only. In at least one case all subfields comprise single words only -- Check for possible Geac subject headings
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