Alectoria and Allied Genera in North America. By Brodo M. Irwinand Hawksworth L. David [Oper Botanica No. 42.] Swedish Natural Science Research Council, Stockholm. 25 February 1977. Pp. 164, figures 70, tables 3. Price SKr 145 ]about £20] [SKr 87 for members of the Lund Botanical Society].
1982 ◽
Vol 22
(9)
◽
pp. 675-676
1987 ◽
pp. 345-350
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1977 ◽
Vol 8
(3)
◽
pp. 238-239
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