There are two species of gymnosperms and 18 monocots that are near the southern edge of their geographic range in Cedarburg Bog (Reinartz and Reinartz 1981). Six of these may actually reach their range boundary in the bog. ...

The boardwalk that extends to the center of the Cedarburg Bog is the UWM Field Station's most heavily used teaching facility. Research is also conducted in the Bog, which holds an understandable fascination for researchers ...

Population sizes of four small mammals, Peromyscus leucopus, Microtus pennsylvanicus, Blarina brevicauda, and Sorex cinereus, were monitored for over twenty years at the UWM Field Station. P. leucopus had moderate fluctuations ...

Data were gathered in 1984 on the distribution, size, and habitat of populations of purple loosestrife in Wisconsin. Lythrum salicaria was found throughout Wisconsin, but most populations were still small and amenable to ...

Marginal populations are those located at the extreme or periphery of a species' range. In the context of this paper, marginal populations refer to a geographical periphery rather than to possible ecological margins. A ...

There is currently a good deal of interest in the "biennial" life history. This stems from the fact that theoretical analysis of the selective advantage of alternate life histories predicts that biennials should seldom be ...

The boardwalk that extends to the center of the Cedarburg Bog is the UWM Field Station's most heavily used teaching facility. Research is also conducted in the Bog, which holds an understandable fascination for researchers ...

Glossy buckthorn (Rhamnus frangula) is a shrub or small tree which is a native of Eurasia, introduced to North America about the mid-nineteenth century. Escaped from cultivation, Rhamnus frangula is rapidly becoming a ...

In June 1983 two large patches of Fringed Polygala were found in the Cedar-Tamarack woods at the north end of Cedarburg Bog. These patches had obviously been established for a number of years but the species had never ...

Nine of 260 species of the Eurasian genus Verba scum have been reported from North America; only two (y. thapsus and y. blattaria) are common. Verba scum densiflorum is well established in the U.S. only in southeast Wisconsin ...