R.S. Cowan (Richard)
Stafleu, F.A. & Cowan, R.S., 1976. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types, Second edition, Volume I: A-G. Regnum vegetabile 94, Bohn, Scheltema & Holkema, Utrecht: [I]-XL, 1-1136. ≡
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Stafleu, F.A. & Cowan, R.S., 1979. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types, Second edition, Volume II: H-Le. Regnum vegetabile 98, Bohn, Scheltema & Holkema, Utrecht: [I]-XVIII, 1-991. ≡
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Stafleu, F.A. & Cowan, R.S., 1981. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types, Second edition, Volume III: Lh-O. Regnum vegetabile 105, Bohn, Scheltema & Holkema, Utrecht / dr. W. Junk b.v., Publishers, The Hague: [I]-XII, 1-980. ≡
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Stafleu, F.A. & Cowan, R.S., 1983. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types, Second edition, Volume IV: P-Sak. Regnum vegetabile 110, Bohn, Scheltema & Holkema, Utrecht/Antwerpen / dr. W. Junk b.v., Publishers, The Hague/Boston: [I]-IX, 1-1214. ≡
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Stafleu, F.A. & Cowan, R.S., 1985. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types, Second edition, Volume V: Sal-Ste. Regnum vegetabile 112, Bohn, Scheltema & Holkema, Utrecht/Antwerpen / dr. W. Junk b.v., Publishers, The Hague/Boston: 1-1066. ≡
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Stafleu, F.A. & Cowan, R.S., 1986. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types, Second edition, Volume VI: Sti-Vuy. Regnum vegetabile 115, Bohn, Scheltema & Holkema, Utrecht/Antwerpen: 1-926. ≡
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Stafleu, F.A. & Cowan, R.S., 1988. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types, Second edition, Volume VII: W-Z. Regnum vegetabile 116, Bohn, Scheltema & Holkema, Utrecht/Antwerpen / dr. W. Junk b.v., Publishers, The Hague/Boston: [I]-LVI, 1-653. ≡
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