Published in Bulletin du Muséum National d'Histoire Naturelle Sér. 3, Botanique, in 1974, in volume 18, issue 271., pages 85-92
Published in Bulletin du Muséum National d'Histoire Naturelle Sér. 3, Botanique, in 1974, in volume 17, issue 270, pages 49-54
Published in Bulletin du Muséum National d'Histoire Naturelle Sér. 3, Botanique, in 1974, in volume 15, issue 227, pages 1-29
Published in Bulletin du Muséum National d'Histoire Naturelle Sér. 3, Botanique, in 1974, in volume 19, issue 272, pages 93-101