Found the following HTML validation problems:
col-defunct.html:60:1 (col-defunct.Rd:29): Warning: missing </ul> before </div>
get_iucn_data.html:46:1 (get_iucn_data.Rd:10): Warning: missing </ul> before </div>
gnr_resolve.html:237:1 (gnr_resolve.Rd:130): Warning: <h3> anchor "preferred_data_sources" already defined
phylomatic_format-defunct.html:47:1 (phylomatic_format-defunct.Rd:11): Warning: missing </ul> before </div>
phylomatic_tree-defunct.html:46:1 (phylomatic_tree-defunct.Rd:10): Warning: missing </ul> before </div>
progressor.html:152:1 (progressor.Rd:98): Warning: <h5> anchor "Usage" already defined
progressor.html:158:1 (progressor.Rd:102): Warning: <h5> anchor "Arguments" already defined
progressor.html:173:1 (progressor.Rd:111): Warning: <h5> anchor "Returns" already defined
progressor.html:190:1 (progressor.Rd:120): Warning: <h5> anchor "Usage" already defined
progressor.html:196:1 (progressor.Rd:124): Warning: <h5> anchor "Arguments" already defined
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progressor.html:226:1 (progressor.Rd:140): Warning: <h5> anchor "Usage" already defined
progressor.html:232:1 (progressor.Rd:144): Warning: <h5> anchor "Arguments" already defined
progressor.html:245:1 (progressor.Rd:151): Warning: <h5> anchor "Returns" already defined
progressor.html:263:1 (progressor.Rd:161): Warning: <h5> anchor "Usage" already defined
progressor.html:280:1 (progressor.Rd:172): Warning: <h5> anchor "Usage" already defined
progressor.html:286:1 (progressor.Rd:176): Warning: <h5> anchor "Arguments" already defined
progressor.html:299:1 (progressor.Rd:183): Warning: <h5> anchor "Returns" already defined
progressor.html:316:1 (progressor.Rd:192): Warning: <h5> anchor "Usage" already defined
progressor.html:322:1 (progressor.Rd:196): Warning: <h5> anchor "Returns" already defined
progressor.html:339:1 (progressor.Rd:205): Warning: <h5> anchor "Usage" already defined
progressor.html:345:1 (progressor.Rd:209): Warning: <h5> anchor "Returns" already defined
progressor.html:363:1 (progressor.Rd:219): Warning: <h5> anchor "Usage" already defined
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progressor.html:386:1 (progressor.Rd:232): Warning: <h5> anchor "Usage" already defined
progressor.html:392:1 (progressor.Rd:236): Warning: <h5> anchor "Arguments" already defined
taxize_ldfast.html:50:1 (taxize_ldfast.Rd:12): Warning: missing </ul> before </div>
taxon_state.html:154:1 (taxon_state.Rd:127): Warning: <h5> anchor "Usage" already defined
taxon_state.html:160:1 (taxon_state.Rd:131): Warning: <h5> anchor "Arguments" already defined
taxon_state.html:185:1 (taxon_state.Rd:146): Warning: <h5> anchor "Usage" already defined
taxon_state.html:191:1 (taxon_state.Rd:150): Warning: <h5> anchor "Arguments" already defined
taxon_state.html:206:1 (taxon_state.Rd:159): Warning: <h5> anchor "Returns" already defined
taxon_state.html:223:1 (taxon_state.Rd:168): Warning: <h5> anchor "Usage" already defined
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taxon_state.html:242:1 (taxon_state.Rd:179): Warning: <h5> anchor "Returns" already defined
taxon_state.html:260:1 (taxon_state.Rd:189): Warning: <h5> anchor "Usage" already defined
taxon_state.html:266:1 (taxon_state.Rd:193): Warning: <h5> anchor "Arguments" already defined
taxon_state.html:279:1 (taxon_state.Rd:200): Warning: <h5> anchor "Returns" already defined
taxon_state.html:296:1 (taxon_state.Rd:209): Warning: <h5> anchor "Usage" already defined
taxon_state.html:302:1 (taxon_state.Rd:213): Warning: <h5> anchor "Returns" already defined
taxon_state.html:319:1 (taxon_state.Rd:222): Warning: <h5> anchor "Usage" already defined
taxon_state.html:325:1 (taxon_state.Rd:226): Warning: <h5> anchor "Returns" already defined
taxon_state.html:342:1 (taxon_state.Rd:235): Warning: <h5> anchor "Usage" already defined
taxon_state.html:348:1 (taxon_state.Rd:239): Warning: <h5> anchor "Returns" already defined
taxon_state.html:365:1 (taxon_state.Rd:248): Warning: <h5> anchor "Usage" already defined
taxon_state.html:371:1 (taxon_state.Rd:252): Warning: <h5> anchor "Arguments" already defined
tnrs-defunct.html:46:1 (tnrs-defunct.Rd:10): Warning: missing </ul> before </div>
tnrs_sources-defunct.html:46:1 (tnrs_sources-defunct.Rd:10): Warning: missing </ul> before </div>
tp_acceptednames-deprecated.html:46:1 (tp_acceptednames-deprecated.Rd:10): Warning: missing </ul> before </div>
tp_namedistributions-deprecated.html:46:1 (tp_namedistributions-deprecated.Rd:10): Warning: missing </ul> before </div>
tp_namereferences-deprecated.html:46:1 (tp_namereferences-deprecated.Rd:10): Warning: missing </ul> before </div>
ubio_classification-defunct.html:46:1 (ubio_classification-defunct.Rd:10): Warning: missing </ul> before </div>
ubio_classification_search-defunct.html:47:1 (ubio_classification_search-defunct.Rd:11): Warning: missing </ul> before </div>
ubio_id-defunct.html:46:1 (ubio_id-defunct.Rd:10): Warning: missing </ul> before </div>
ubio_search-defunct.html:46:1 (ubio_search-defunct.Rd:10): Warning: missing </ul> before </div>
ubio_synonyms-defunct.html:46:1 (ubio_synonyms-defunct.Rd:10): Warning: missing </ul> before </div>