Published in Botanical Museum Leaflets, Harvard University, in 1986, in volume 30, issue 4, pages 199-222

Published in Botanical Museum Leaflets, Harvard University, in 1986, in volume 30, issue 4, pages 223-237

Published in Botanical Museum Leaflets, Harvard University, in 1986, in volume 30, issue 4, pages 239-245

Published in Botanical Museum Leaflets, Harvard University, in 1986, in volume 30, issue 4, pages 247-253

Published in Botanical Museum Leaflets, Harvard University, in 1986, in volume 30, issue 4, pages 255-285