TY - JOUR AU - Roberts, David L. AU - McInerny, Greg J. PY - 2016/02/01 Y2 - 2024/03/28 TI - When is a species extinct? Quantitative inference of threat and extinction from herbarium data JF - Lankesteriana: International Journal on Orchidology JA - LIJO VL - 3 IS - 2 SE - Articles DO - 10.15517/lank.v3i2.23003 UR - https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/23003 SP - AB - <div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>We are now entering a time of immense environ- mental upheaval were, increasingly, experts are required to provide conservation assessments. </span></p></div></div></div> ER -