Department of Mathematics,
University of California - San Diego - Helmut Röhrl
Publications
- Brazilian Miltonias: Species and Unigeneric Hybrids. AOS Bulletin 55 (1986), 892 – 902.
- Oncidiinae Intergenerics. The Odontoglossum Compendium 1999, Sec.3, 16 – 20.
- Hybrids Involving the Genus Aspasia. The Odontoglossum Compendium 1999, Sec.3, 20 – 23.
- Hybrids Involving the Genus Ada. The Odontoglossum Compendium 1999, Sec.3, 31 – 34.
- Die Gattung Aspasia und ihre intergenerischen Hybriden. Die Orchidee 48 (1997), 144 – 151.
- Ibridi standard di Odontoglossum. Caesiana 13 (1999), 9 – 16.
- Ein Streifzug durch die Oncidiinae-Hybriden I. Die Orchidee 51 (2000), 182 – 186.
- Ein Streifzug durch die Oncidiinae-Hybriden II. Die Orchidee 51 (2000), 458 – 462.
- Oh Say, Can You See … How Much Of A Species Is In A Hybrid? Odontoglossum Alliance Newsletter 4 (2002),
and Paphiopedilum Review V (2002), No.3.
- Vuylstekeara Cambria. Orchid Digest 66 (2002), 151 – 153.
- Rehfieldara, a New Oncidiinae hybrid genus. Orchid Digest 67 (2003),
- A Century of Oncidiinae Hybridizing. Orchid Digest 67 (2003)
Last update: September 30, 2002