A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama Author MONRO, A. K. Author SANTAMARÍA-AGUILAR, D. Author GONZÁLEZ, F. Author CHACÓN, O. Author SOLANO, D. Author RODRÍGUEZ, A. Author ZAMORA, N. Author FEDELE, E. Author CORREA, M. text Phytotaxa 2017 2017-09-22 322 1 448 450 http://dx.doi.org/10.11646/phytotaxa.322.1.1 journal article 10.11646/phytotaxa.322.1.1 1179-3163 13698397 Ageratina ixiocladon (Benth.) R.M.King & H.Rob. Terrestrial herbs or shrubs. Distribution in PILA 0–3300 m , low elevation mixed forest, mixed forest in transition to low elevation forest, mixed forest in transition to cloud forest, cloud forest, low elevation oak forest, páramo. Global distribution: Costa Rica , Panama . Records: G. Davidse 25178 (CR, MO), F. Quesada 1812 (INB), L. Acosta 2338 (INB), L. González 1189 (INB), S. Knapp 9987 (BM, INB). ψ Ageratina kupperi (Suess.) R.M.King & H.Rob. Terrestrial shrubs. Distribution in PILA 100–3300 m , low elevation mixed forest, mixed forest in transition to low elevation forest, mixed forest in transition to cloud forest, cloud forest, low elevation oak forest, páramo. Global distribution: Costa Rica , Panama . Records: A. S. Weston 10171 (MO), G. Davidse 25311 (CR, MO), G. Davidse 25405 (CR, MO), G. Davidse 25948 (CR, MO), S. Knapp 9870 (BM, INB). Global conservation status: Endangered (EN), B1ab(i,iii).