@inbook{Dressler+1994+33+44,
url = {https://doi.org/10.7591/9781501734144-004},
title = {3. Classification and Identification: How to Use This Guide},
booktitle = {Field Guide to the Orchids of Costa Rica and Panama},
author = {Robert L. Dressler},
publisher = {Cornell University Press},
address = {Ithaca, NY},
pages = {33--44},
doi = {doi:10.7591/9781501734144-004},
isbn = {9781501734144},
year = {1994},
lastchecked = {2026-05-09}
}