| Genus | Species | Elevation | Number of Collections | Comments | ||
| Campylocentrum | embreei | 1000-1500 | Various | Last collected 1989 | ||
| Epidendrum | morganii | 1000-2000 | Various | Last collected 1989 | ||
| Epidendrum | romanii | 500-1000 | 2 | Last collected 1990 | ||
| Epidendrum | zarumense | 1000-1500 | 3 | Last collected 1989 | ||
| Erythrodes | oroensis | 1200 | 2 | Last collected 1995 | ||
| Lepanthes | grossiradix | 2000-2500 | ? | Last collected 1988 | ||
| Lepanthes | sororcula | 500-1000 | 3 | Last collected 1995 | ||
| Lepanthes | terpsichore | 1500-2500 | 2 | Last collected 1989 | ||
| Mormodes | romanii | 1000-1500 | Various | Last collected 1989 | ||
| Platystele | lycopodioides | 950 | 1 | Last collected 1985 | ||
| Pleurothallis | zarumae | 1800 | 1 | Rediscovered March 2003 by LJ; previously known only from 1986 type-collection | ||
| Sigmatostalix | morganii | 500-1000 | Various | Found by LJ in Buenaventura reserve | ||
| Stelis | zarumae | 1800 | 1 | Last collected 1986 | ||