Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 1-27

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 29-36

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 37-84

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Published in Contributions from the University of Michigan Herbarium, in 1997, in volume 21, pages 85-141

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 143-146

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 147-159

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 161-174

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 175-195

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 197-204

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 205-275

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 277-290

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 291-297

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 299-308

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Published in Contributions From The University of Michigan Herbarium, in 1997, in volume 21, pages 309-313

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Published in Contributions from the University of Michigan Herbarium, in 1997, in volume 21, pages 315-317

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