Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 1, pages 1-45
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 1, pages 47-60
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 1, pages 61-69
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 1, pages 71-80
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 1, pages 81-85
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 1, pages 87-122
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 2, pages 123-214
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 3, pages 215-234
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 3, pages 235-246
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 3, pages 253-261
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 3, pages 263-269
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 3, pages 271-275
Published in Botanical Museum Leaflets, Harvard University, in 1980, in volume 28, issue 4, pages 277-425