Published in Hedwigia, in 1887, in volume 26, pages 6-18
Created: 2017-10-18, modified: 2017-10-18
Published in Hedwigia, in 1887, in volume 26, pages 24-35
Created: 2017-10-18, modified: 2017-10-18
Published in Hedwigia, in 1887, in volume 26, pages 109-111
Created: 2017-10-18, modified: 2017-10-18
Published in Hedwigia, in 1887, in volume 26, pages 124-127
Created: 2017-10-18, modified: 2017-10-18