Projects

Exchange of Crop Genetic Resources and Associated Documentation for the U.S. National Plant Germplasm System Appropriated (D)   Accession Number: 413316

Publications

Nuclear and plastid DNA sequences reveal complex evolutionary patterns in Australian water-lilies (Nymphaea subgenus Anecphya, Nymphaeaceae) - (Peer Reviewed Journal)

Lohne, C., Borsch, T., Jacobs, S.W.L., Hellquist, C.B., Wiersema, J.H. 2008. Nuclear and plastid DNA sequences reveal complex reticulate patterns in Australian water-lilies (Nymphaea subgenus Anecphya, Nymphaeaceae). Australian Systematic Botany. 21(4):229-250.

Proposal to reject the name Juglans alba (Juglandaceae), thereby retaining the name Carya tomentosa - (Peer Reviewed Journal)

Ward, D.B., Wiersema, J.H. 2008. (1807) Proposal to reject the name Juglans alba (Carya alba)(Juglandaceae). Taxon. 57(1):308-310.

Ista List of Stablized Plant Names, Ed. 5 - (Other)

Wiersema, J.H. 2007. ISTA list of stablized plant names, ed. 5. International Seed Testing Association. 73 pp.

Proposal To Conserve The Name Zinnia Elegans Against Z. Violacea (Compositae) - (Peer Reviewed Journal)

Kirkbride, J.H., Wiersema, J.H. 2007. Proposal to conserve the name Zinnia elegans against Z. violacea (Compositae). Taxon. 56(3):958-959.

The Nomenclature of Sorghum Bicolor (L.) Moench (Gramineae) - (Peer Reviewed Journal)

Wiersema, J.H., Dahlberg, J. 2007. The nomenclature of Sorghum bicolor (L.) Moench (Gramineae). Taxon. 56(3):941-946.

Corrections to the Vienna Code - (Peer Reviewed Journal)

Mcneill, J., Turland, N.J., Wiersema, J.H. 2007. Corrections to the Vienna Code. Taxon. 56:585-586.

Phylogenetic Analysis of Nymphaeales Using Fast-Evolving and Non-Coding Chloroplast Markers - (Peer Reviewed Journal)

Lohne, C., Borsch, T., Wiersema, J.H. 2007. Phylogenetic analysis of Nymphaeales using fast-evolving and non-coding chloroplast markers. Botanical Journal of the Linnean Society. 154:141-163.

Guidelines for proposals to conserve or reject - (Peer Reviewed Journal)

Mcneil, J., Redhead, S., Wiersema, J.H. 2007. Guidelines for proposals to conserve or reject names. Taxon. 56:249-252.

Proposal to reject the name Arundo vallatoria (Poaceae) - (Peer Reviewed Journal)

Kirkbride, J.H.Jr., Wiersema, J.H. 2007. Proposal to reject the name Arundo vallatoria (Poaceae). Taxon. 56(1):258.

Phylogeny of Nymphaea (Nymphaeaceae): Trnt-Trnf Evidence for Evolution of the First Global Lineage of Extant Angiosperms - (Peer Reviewed Journal)

Borsch, T., Hilu, K.W., Wiersema, J.H., Lohne, C., Barthlott, W., Wilde, V. 2007. Phylogeny analysis of Nymphaea (Nymphaeaceae): Evidence from substitutions and microstructural changes in the chloroplast trnT-trnF region. International Journal of Plant Sciences. 168:639-671.

International Code of Botanical Nomenclature (Vienna Code) Journal or equivalent: Book - (Book/Chapter)

McNeill, J., Barrie, F.R. , Burdet, H.M., Demoulin, V., Hawksworth, D.J., Marhold, K., Nicolson, D.H., Prado, J., Silva, P.C., Skog, J.E., Wiersema, J. H., Turland, N. J., 2006. International Code of Botanical Nomenclature (Vienna Code) adopted by the Seventh International Botanical Congress Vienna, Austria, July 2005. A.R.G. Gantner Velag, Ruggell, Liechtenstein. 568 pp.

Proposal to Conserve the Name Ziziphus Jujuba Against Z. Zizyphus (Rhamnaceae) - (Peer Reviewed Journal)

Kirkbride, J.H. Jr., Wiersema, J.H., Turland, N.J. 2006. Proposal to conserve the name Ziziphus Jujuba against z. zizyphus (Rhamnaceae). Taxon. 55(4):1049-1050.

Correcting the Type Designation of Phoebe Calcarea S. K. Lee & F. N. Wei (Lauraceae) - (Peer Reviewed Journal)

Yang, Y., Wiersema, J.H. 2006. Correcting the type designation of Phoebe calcarea S. K. Lee & F. N. Wei. Taxon 55:511-512.

The Nomenclature of Ipomoea Muricata (Convolvulaceae) Revisited. - (Peer Reviewed Journal)

Staples, G.W., Wiersema, J.H., Chambers, N., Austin, D.F. 2005. The nomenclature of Ipomoea muricata (Convolvulaceae) revisited. Taxon 54:1075-1079.

Proposal to Conserve the Name Centrosema Pubescens (Fabaceae) with a Conserved Type - (Peer Reviewed Journal)

Kirkbride, J.H., Wiersema, J.H. 2005. Proposal to conserve the name Centrosema pubescens (Fabaceae) with a conserved type. Taxon. 54(1):209-210.

Proposals to Clarify the Interpretation of Article 60.7 and Its Example 11 - (Peer Reviewed Journal)

Wiersema, J.H., Nicholson, D. 2005. Proposals to clarify the interpretation of Article 60.7 and its example 11. Taxon. 53(4):1100-1101.

Pattern of Variation and Systematics of Nymphaea Odorata: I. Evidence from Morphology and Inter-Simple Sequence Repeats (Issrs) - (Peer Reviewed Journal)

Woods, K., Hilu, K.W., Wiersema, J.H., Borsch, T. 2005. Pattern of variation and systematics of Nymphaea odorata: I. Evidence from morphology and inter-simple sequence repeats (ISSRs). Systematic Botany 30:471-480.

Pattern of Variation and Systematics of Nymphaea Odorata: Ii. sequence Information from Its and Trnl-Trnf - (Peer Reviewed Journal)

Woods, K., Hilu, K.W., Borsch, T., Wiersema, J.H. 2005. Pattern of variation and systematics of Nymphaea odorata: II. Sequence information from ITS and trnL-trnF. Systematic Botany 30:481-493.

International Code of Cultivated Plant Nomenclature - (Book/Chapter)

Brickell, C.D., Baum, B.R., Hetterscheid, W.A., Leslie, A.C., McNeill, J., Trehane, P., Vrugtman, F., Wiersema, J.H. 2004. International code of cultivated plant nomenclature. Acta Horticulturae 1-123 p.

Some Proposals to Clarify the Concept of 'ascription of a Name' - (Peer Reviewed Journal)

Zijlstra, G., Reveal, J.L., Wiersema, J.H. 2004. Some proposals to clarify the concept of 'ascription of a name'. Taxon. 53 (3) p.856

Proposal to Conserve Sesamum Indicum Against Sesamum Orientale (Pedaliaceae) - (Peer Reviewed Journal)

Nicolson, D.H., Wiersema, J.H. 2004. Proposal to conserve sesamum indicum against sesamum orientale (pedaliaceae). Taxon. v. 53 pp. 210-211.

The Role of the Grin Database in Promoting Stabilization of Economic Plant Names - (Peer Reviewed Journal)

Wiersema, J.H. 2004. The role of the grin database in promoting stabilization of economic plant names. Acta Horticulture Proceedings. v. 634 pp. 67-74.

Usage of Grin Taxonomy As a Resource for Crop Names - (Proceedings/Symposium) - (20-Nov-02)

The Role of the Grin Database in Promoting Stabilization of Economic Plant Names - (Peer Reviewed Journal) - (22-Jul-02)

Water-Lilies (Nymphaea) in Northern Hemisphere: What Do Dna, Morphology, and Fossils Tell Us About Their Origin, Migration and Diversification? - (Abstract) - (20-Jun-02)