J h wiersema (24 risultati)

Condizione: New.

Condizione: As New. Unread book in perfect condition.

Pictorial hard covers. Condizione: Fine. No Jackets. 1st edition. Scarcely used. Weight: 2 Language: English.

Paperback. Condizione: New. 18th ed. The latest, updated edition of the essential, authoritative reference for botanical, mycological, and phycological names.   The International Code of Nomenclature for algae, fungi, and plants, known as "the Code," is the set of internationally agreed rules and recommendations that govern the naming of these organisms. Scientific naming has deep historical roots. Indeed, the system of naming organisms is one of the first truly global scientific standards. This essential reference originates in Alphonse de Candolle's 1867 Lois de la nomenclature botanique. This 2025 edition of the Code, the Madrid Code, reflects the decisions made at the Twentieth International Botanical Congress, which met in Madrid, Spain, in July 2024. The congress debated 447 proposals to amend the Code and accepted important new rules, including a mechanism for voluntary registration of plant and algal names, clarifications for naming fossil taxa, the option to reject a new name if it is derogatory to a group of people, and the replacement of an epithet that was considered particularly offensive (revising to afra, afrorum, and afrum).…

Condizione: New.

Paperback. Condizione: New. 18th ed. The latest, updated edition of the essential, authoritative reference for botanical, mycological, and phycological names.   The International Code of Nomenclature for algae, fungi, and plants, known as "the Code," is the set of internationally agreed rules and recommendations that govern the naming of these organisms. Scientific naming has deep historical roots. Indeed, the system of naming organisms is one of the first truly global scientific standards. This essential reference originates in Alphonse de Candolle's 1867 Lois de la nomenclature botanique. This 2025 edition of the Code, the Madrid Code, reflects the decisions made at the Twentieth International Botanical Congress, which met in Madrid, Spain, in July 2024. The congress debated 447 proposals to amend the Code and accepted important new rules, including a mechanism for voluntary registration of plant and algal names, clarifications for naming fossil taxa, the option to reject a new name if it is derogatory to a group of people, and the replacement of an epithet that was considered particularly offensive (revising to afra, afrorum, and afrum).…

Condizione: As New. Unread book in perfect condition.

Paperback. Condizione: Brand New. 18 edition. 288 pages. 9.00x6.00x9.00 inches. In Stock.

Soft cover. Condizione: Very Good. 295 pp., index. In Chinese. English edition adopted by the Seventeenth International Botanical Congress, Vienna, Austria, July 2005.

Condizione: New.

Paperback. Condizione: New. 18th ed. The latest, updated edition of the essential, authoritative reference for botanical, mycological, and phycological names.   The International Code of Nomenclature for algae, fungi, and plants, known as "the Code," is the set of internationally agreed rules and recommendations that govern the naming of these organisms. Scientific naming has deep historical roots. Indeed, the system of naming organisms is one of the first truly global scientific standards. This essential reference originates in Alphonse de Candolle's 1867 Lois de la nomenclature botanique. This 2025 edition of the Code, the Madrid Code, reflects the decisions made at the Twentieth International Botanical Congress, which met in Madrid, Spain, in July 2024. The congress debated 447 proposals to amend the Code and accepted important new rules, including a mechanism for voluntary registration of plant and algal names, clarifications for naming fossil taxa, the option to reject a new name if it is derogatory to a group of people, and the replacement of an epithet that was considered particularly offensive (revising to afra, afrorum, and afrum).…

Research Service. United States Department of Agriculture. Technical Bulletin Number 1796. Beltsville. Maryland. 1992. 500 S. Quart. Kt. -2).

Condizione: New.

Hardcover. Condizione: UsedGood. ASIN: B0006AWTIU Hardcover; surplus library copy with the usual stampings and reference number affixed to the spine; bar code taped to front cover; f ading and shelf wear to exterior; bumps to upper corners; otherwise in good condition with clean text and tight binding.…

Condizione: New.

Paperback. Condizione: New. 18th ed. The latest, updated edition of the essential, authoritative reference for botanical, mycological, and phycological names.   The International Code of Nomenclature for algae, fungi, and plants, known as "the Code," is the set of internationally agreed rules and recommendations that govern the naming of these organisms. Scientific naming has deep historical roots. Indeed, the system of naming organisms is one of the first truly global scientific standards. This essential reference originates in Alphonse de Candolle's 1867 Lois de la nomenclature botanique. This 2025 edition of the Code, the Madrid Code, reflects the decisions made at the Twentieth International Botanical Congress, which met in Madrid, Spain, in July 2024. The congress debated 447 proposals to amend the Code and accepted important new rules, including a mechanism for voluntary registration of plant and algal names, clarifications for naming fossil taxa, the option to reject a new name if it is derogatory to a group of people, and the replacement of an epithet that was considered particularly offensive (revising to afra, afrorum, and afrum).…

Condizione: As New. Unread book in perfect condition.

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Hardcover. Condizione: Brand New. 18 edition. 288 pages. 9.00x6.00x9.00 inches. In Stock.

Paper covers. Condizione: Fine. No Jacket. Revised edition. Scarcely used. Second author's signature. Weight: 1.0 Language: English.

United States Department of Agriculture 1990, 572 pp., not ill., new bound, pencil on title-page (code B-246).

Paperback. Condizione: Brand New. 18 edition. 288 pages. 9.00x6.00x9.00 inches. In Stock. This item is printed on demand.

Hardcover. Condizione: Brand New. 18 edition. 288 pages. 9.00x6.00x9.00 inches. In Stock. This item is printed on demand.