Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 3-14
Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 15-36
Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 129-140
Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 147-171
Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 173-215
Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 217-230
Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 231-237
Published in Contributions From The University of Michigan Herbarium, in 1995, in volume 20, pages 239-240
Published in Contributions from the University of Michigan Herbarium, in 1995, in volume 20, pages 241-260