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

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

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

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

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

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

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

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

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

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

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

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

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

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

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