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Pringle, J. S. 2007. Authorship of the name Centaurium pulchellum (Gentianaceae). Michigan Botanist 46: 63–64.

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Rabeler, R. K. 1996. Sagina japonica (Caryophyllaceae) in the Great Lakes region. Michigan Botanist 35: 43–44.

Rabeler, R. K. 2002. Noteworthy collection: Heracleum mantegazzianum Somm. & Levier. (Apiaceae). Giant cow parsnip. Michigan Botanist 41: 165–166.

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Reznicek, A. A. 1980. Halophytes along a Michigan Roadside with Comments on the Occurrence of Halophytes in Michigan. Michigan Botanist 19: 23–30.

Reznicek, A. A. 1994. The Disjunct Coastal Plain Flora in the Great Lakes Region. Biol. Conservation 68: 203–215.

Reznicek, A. A. 1999. Rediscovery of Rhynchospora (Psilocarya) nitens (Cyperaceae) in the Great Lakes Region. Michigan Botanist 38: 35–37.

Reznicek, A. A. 2001. Mulberry Weed (Fatoua villosa) spread as far north as Michigan. Michigan Botanist 40: 73–74.

Reznicek, A. A. & D. Henson. 1982. Carex heleonastes, New to Michigan and the Contiguous United States. Michigan Botanist 21: 169–170.

Reznicek, A. A. & P. M. Catling. 1986. The Status and Distribution of Carex subimpressa Clokey (Cyperaceae). Canad. J. Bot. 64: 227–232.

Reznicek, A. A. & P. M. Catling. 1987. Carex praegracilis in Eastern North America: A Remarkable Case of Rapid Invasion. Rhodora 89: 205–216.

Rohrer, J. R. 2000. The sand cherry in Wisconsin and neighboring states. Michigan Botanist 39: 59–69.

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Stuckey, R. L. 1979. Distributional history of Potamogeton crispus (curly pondweed) in North America. Bartonia 46: 22–42.

Stuckey, R. L. 1980a. Distributional history of Lythrum salicaria (Purple loosestrife) in North America. Bartonia 47: 3–20.

Stuckey, R. L. 1980b. The migration and establishment of Juncus gerardii (Juncaceae) in the interior of North America. Sida 8: 334–347.

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Stuckey, R. L. 1985. Distributional history of Najas marina (spiny naiad) in North America. Bartonia 51: 2–16.

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Tucker, A. O. & H. L. Chambers. 2002. Mentha canadensis L. (Lamiaceae): A relict amphidiploid from the Lower Tertiary. Taxon 51: 703–718.

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Wagner, W. H. 1971. The southeastern Adder's-Tongue, Ophioglossum vulgatum var. pycnostichum, found for the first time in Michigan. Michigan Botanist 10: 67–74.

Wagner, W. H. Jr. 1990. A Natural Hybrid of Gray Dogwood, Cornus racemosa, and Round-leaved dogwood, C. rugosa, from Michigan. Michigan Botanist 29: 131–137.

Wagner, W. H. Jr. 2000. Leaf forms in Sassafras in southeastern Michigan. Michigan Botanist 39: 70–76.

Wagner, W. H. Jr., T. F. Daniel, & M. K. Hansen. 1980. A hybridizing Verbascum population in Michigan. Michigan Botanist 19: 37–45.

Wagner, W. H. Jr. & D. M. Johnson. 1981. Natural History of the Ebony Spleenwort, Asplenium platyneuron, in the Great Lakes Area. Canad. Field-Naturalist 95: 156–166.

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Watson, M. F. 1989. Nomenclatural aspects of Oxalis sect. Corniculatae in Europe. Bot. J. Linn.Soc. 101: 347–362.

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Widrlechner, M. P. & W. H. Wagner Jr. 1998. Occurrence of European dewberry, Rubus caesius (Rosaceae), naturalized in Iowa and Michigan. Michigan Botanist 37: 107–112.

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Zika, P. F. & A. L. Jacobson. 2003. An overlooked hybrid Japanese knotweed (Polygonum cuspidatum × sachalinense; Polygonaceae) in North America. Rhodora 105: 143–152.

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