| Genus | Species | Elevation | Number of Collections | Comments | ||
| Acineta | dallesandroi | 2200 | ? | |||
| Crossoglossa | dalstroemii | 1600 | 1 | Quebrada Honda; last seen 1982 | ||
| Dracula | dalessandroi | 2400-2700 | 3 | Last seen 1988 | ||
| Epidendrum | dalessandroi | 2100-2400 | 5 | Found by LJ in reserve March 2003 | ||
| Epidendrum | dalstroemii | 1700 | 1 | Last seen 1983 | ||
| Lepanthes | conjuncta | 2450 | 2 | Last seen 1985 | ||
| Lepanthes | ejecta | 2400-2450 | 3 | Rediscovered by LJ March 2003; previous collection 1986 | ||
| Lepanthes | erepsis | 2000-2450 | 3 | Last seen 1985 | ||
| Lepanthes | exogena | 2450-2700 | 4 | Rediscovered by LJ March 2003; previous collection 1985 | ||
| Lepanthes | floresii | 2700 | 2 | Last seen 1985 | ||
| Lepanthes | stelidipetala | 2000 | 1 | Last seen 1988 | ||
| Lepanthes | teres | 2250-2400 | 2 | Last seen 1985 | ||
| Lepanthes | vatrax | ? | 1 | Quebrada Honda; last seen about 1982 | ||
| Masdevallia | eucharis | 1800 | 1 | Last seen 1987 | ||
| Masdevallia | merinoi | 1600 | 1 | Discovered 1998 or 1999 | ||
| Masdevallia | midas | 2500-3000 | 3 | Last seen 1991 | ||
| Masdevallia | murex | 1500-2000 | 3 | Last seen 1989 | ||
| Maxillaria | yanganensis | 2450-3000 | 4 | Last seen 1986 | ||
| Pleurothallis | dalessandroi | 2000 | 1 | Last seen 1982 | ||
| Pleurothallis | masdevalliopsis | 2500 | 1 | Last seen 1979 | ||
| Pleurothallis | stelidilabia | 1800-2450 | 3 | Last seen 1986 | ||
| Pleurothallis | stelidiopsis | 2250-2450 | 2 | Last seen 1981 | ||
| Pleurothallis | vegrandis | 2100 | 1 | Rediscovered by LJ March 2003; previously known only from 1985 type-collection | ||
| Stelis | bicarinata | 1900 | 1 | Last seen 1985 | ||
| Stelis | dalessandroi | 1800 | 1 | Last seen 1981 | ||
| Stelis | pudens | 2250 | 2 | Last seen 1981 | ||
| Stelis | yanganensis | 2450 | 1 | Last seen 1985 | ||
| Trichosalpinx | nymphalis | 2450 | 1 | Last seen 1981 | ||
| Trichosalpinx | strumifera | 2000-2300 | 3 | Last seen 1985 | ||