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Changes in the upland forests of the Douglas Lake region over the past 75 years. The University of Michigan Biological Station 1909 - 1983. :59-67.. 1985.
Populations of and threats to rare plants of the herb layer: still more challenges and opportunities for conservation biologists.. The Herbaceous Layer in Forests of Eastern North America. :134-201.. 2014.
Comparative success of seeds from hermaphrodite and female plants of the bladder campion, Silene vulgaris (Caryophyllaceae). American Journal of Botany. 73:669.. 1986.
Consequences of self-fertilization and the maintenance of gynodioecy in the bladder campion (Silene vulgaris). Association of Southeastern Biologists Bulletin. 34:125(Abstr.. 1987.
Ecological and evolutionary consequences of plant breeding systems: Silene vulgaris (the bladder campion). Journal of the Elisha Mitchell Scientific Society. 102(4):173(Abstr.. 1986.
Effects of a non-native biocontrol weevil, Larinus planus, and other emerging threats on populations of the federally threatened Pitcher’s thistle, Cirsium pitcheri. Biological Conservation. 155:202-211.. 2012.
Germination ecology of a federally threatened endemic thistle, Cirsium pitcheri, of the Great Lakes. The American Midlands Naturalist. 143(1):141-153.. 2000.
Gynodioecy in Silene vulgaris (Caryophyllaceae): progeny success, experimental design, and maternal effects. American Journal of Botany. 76(9):1360-1367.. 1989.
The maintenance of hermaphrodites and females in populations of Silene vulgaris (Moench) Garcke (Caryophyllaceae). American Journal of Botany. 71(80):60.. 1984.
Nectar content differences between the genders of the bladder campion, Silene vulgaris. Association of Southeastern Biologists Bulletin. 33(2):50(Abstr.. 1986.
Population viability analysis and the effects of light availability and litter on populations of Cirsium pitcheri, a rare, monocarpic perennial of Great Lakes shorelines. Biological Conservation. 187:82-90.. 2015.
Response of understory trees to canopy gaps in a 150-year-old northern hardwood forest. Bulletin of the Ecological Society of America. Suppl. 70:244(Abstr.. 1989.
Spectrophotometric analysis of nectar production in Silene vulgaris (Caryophyllaceae). American Journal of Botany. 81(1):60-64.. 1994.
Successional changes in a mature aspen forest in northern lower Michigan: 1974-1981. The American Midlands Naturalist. 113:271-282.. 1985.
Thoughts on gynodioecy and the success of progeny of self- and cross-fertilized Silene vulgaris. Journal of the Elisha Mitchell Scientific Society. 103(4):149(Abstr.. 1987.