{"n_fos":59,"minimum_age":33.9,"node_calibrated":"stem Cyclosorus","fossil_taxon":"Cyclosorus scutum","affinities_group":"stem","affinities":"Cyclosorus","monophyly":"Monotypic","number_tips":1,"stem_mrca":9117,"tip_1":"Ampelopteris_prolifera","tip_2":"Cyclosorus_interruptus"}
{"n_fos":100,"minimum_age":163.5,"node_calibrated":"stem Schizaeaceae","fossil_taxon":"Klukia exilis","affinities_group":"stem","affinities":"Schizaeaceae","monophyly":"Yes","number_tips":23,"mrca":10986,"stem_mrca":10907,"tip_1":"Anemia_herzogii","tip_2":"Actinostachys_digitata"}
{"n_fos":80,"minimum_age":168.3,"node_calibrated":"stem Lygodium","fossil_taxon":"Stachypteris spicans","affinities_group":"stem","affinities":"Lygodium","monophyly":"Yes","number_tips":19,"mrca":11008,"stem_mrca":10906,"tip_1":"Anemia_herzogii","tip_2":"Lygodium_articulatum"}
{"n_fos":31,"minimum_age":174.1,"node_calibrated":"crown Marattiaceae","fossil_taxon":"Marattia aganzhenensis","affinities_group":"crown","affinities":"Marattiaceae","monophyly":"Yes","number_tips":83,"mrca":11399,"stem_mrca":5810,"tip_1":"Angiopteris_cartilagidens","tip_2":"Danaea_erecta"}
{"n_fos":37,"minimum_age":47.8,"node_calibrated":"stem Asplenium","fossil_taxon":"Asplenium sanshuiense","affinities_group":"stem","affinities":"Asplenium","monophyly":"Yes","number_tips":315,"mrca":9734,"stem_mrca":9733,"tip_1":"Asplenium_obovatum","tip_2":"Hymenasplenium_praestans"}
{"n_fos":119,"minimum_age":129.4,"node_calibrated":"stem Athyrium","fossil_taxon":"Athyrium cretaceum","affinities_group":"stem","affinities":"Athyrium","monophyly":"Yes","number_tips":87,"mrca":9395,"stem_mrca":9394,"tip_1":"Athyrium_otophorum","tip_2":"Pseudathyrium_alpestre"}
{"n_fos":38,"minimum_age":83.6,"node_calibrated":"stem Azolla","fossil_taxon":"Glomerisporites pupus","affinities_group":"stem","affinities":"Azolla","monophyly":"Yes","number_tips":6,"mrca":10896,"stem_mrca":10895,"tip_1":"Azolla_microphylla","tip_2":"Salvinia_natans"}
{"n_fos":64,"minimum_age":346.7,"node_calibrated":"stem Equisetales","fossil_taxon":"Protocalamostachys farringtonii","affinities_group":"stem","affinities":"Equisetales","monophyly":"Yes","number_tips":20,"mrca":11574,"stem_mrca":11481,"tip_1":"Botrychium_gallicomontanum","tip_2":"Equisetum_bogotense"}
{"n_fos":36,"minimum_age":23.03,"node_calibrated":"stem Acrostichum","fossil_taxon":"Acrostichum palaeoaureum","affinities_group":"stem","affinities":"Acrostichum","monophyly":"Yes","number_tips":3,"mrca":5822,"stem_mrca":5821,"tip_1":"Ceratopteris_pteridoides","tip_2":"Acrostichum_danaeifolium"}
{"n_fos":129,"minimum_age":72.1,"node_calibrated":"crown Thelypteridaceae","fossil_taxon":"Thelypteris goldianum","affinities_group":"crown","affinities":"Thelypteridaceae","monophyly":"Yes","number_tips":257,"mrca":8950,"stem_mrca":8949,"tip_1":"Christella_procera","tip_2":"Macrothelypteris_polypodioides"}
{"n_fos":9,"minimum_age":33.9,"node_calibrated":"crown Cibotiaceae","fossil_taxon":"Cibotium oregonense","affinities_group":"crown","affinities":"Cibotiaceae","monophyly":"Yes","number_tips":10,"mrca":10826,"stem_mrca":10825,"tip_1":"Cibotium_menziesii","tip_2":"Cibotium_arachnoideum"}
{"n_fos":39,"minimum_age":86.3,"node_calibrated":"stem Cibotiaceae","fossil_taxon":"Cibotium iwatense","affinities_group":"stem","affinities":"Cibotiaceae","monophyly":"Yes","number_tips":10,"mrca":10826,"stem_mrca":10825,"tip_1":"Cibotium_menziesii","tip_2":"Metaxya_elongata"}
{"n_fos":72,"minimum_age":113,"node_calibrated":"stem Hymenophyllum","fossil_taxon":"Hymenophyllum iwatsukii","affinities_group":"stem","affinities":"Hymenophyllum","monophyly":"Yes","number_tips":138,"mrca":11245,"stem_mrca":11089,"tip_1":"Crepidomanes_inopinatum","tip_2":"Hymenophyllum_scabrum"}
{"n_fos":10,"minimum_age":13.82,"node_calibrated":"crown Culcitaceae","fossil_taxon":"Culcita emberi","affinities_group":"crown","affinities":"Culcitaceae","monophyly":"Yes","number_tips":2,"mrca":10843,"stem_mrca":10842,"tip_1":"Culcita_macrocarpa","tip_2":"Culcita_coniifolia"}
{"n_fos":42,"minimum_age":93.9,"node_calibrated":"stem Cyathea","fossil_taxon":"Kuylisporites mirabilis","affinities_group":"stem","affinities":"Cyathea","monophyly":"Yes","number_tips":152,"mrca":10555,"stem_mrca":10430,"tip_1":"Cyathea_pungens","tip_2":"Alsophila_manniana"}
{"n_fos":46,"minimum_age":129.4,"node_calibrated":"stem Cyatheaceae","fossil_taxon":"Cibotiocaulis tateiwai","affinities_group":"stem","affinities":"Cyatheaceae","monophyly":"Yes","number_tips":367,"mrca":10428,"stem_mrca":10427,"tip_1":"Cyathea_pungens","tip_2":"Calochlaena_straminea"}
{"n_fos":20,"minimum_age":7.246,"node_calibrated":"crown Cyathea","fossil_taxon":"Cyatheaceae sp. indet.","affinities_group":"crown","affinities":"Cyathea","monophyly":"Yes","number_tips":152,"mrca":10555,"stem_mrca":10430,"tip_1":"Cyathea_pungens","tip_2":"Cyathea_robertsiana"}
{"n_fos":21,"minimum_age":168.3,"node_calibrated":"crown Cyatheaceae+Dicksoniaceae+Cibotiaceae+Metaxyaceae","fossil_taxon":"Dicksonia mariopteris","affinities_group":"crown","affinities":"Cyatheaceae+Dicksoniaceae+Cibotiaceae+Metaxyaceae","monophyly":"Yes","number_tips":415,"mrca":10426,"stem_mrca":10425,"tip_1":"Cyathea_pungens","tip_2":"Metaxya_elongata"}
{"n_fos":56,"minimum_age":174.1,"node_calibrated":"stem Cyatheales","fossil_taxon":"Coniopteris lobata","affinities_group":"stem","affinities":"Cyatheales","monophyly":"Yes","number_tips":430,"mrca":10425,"stem_mrca":10424,"tip_1":"Cyathea_pungens","tip_2":"Salvinia_natans"}
{"n_fos":74,"minimum_age":113,"node_calibrated":"stem Lophosoria","fossil_taxon":"Lophosoria cupulatus","affinities_group":"stem","affinities":"Lophosoria","monophyly":"Yes","number_tips":2,"mrca":10824,"stem_mrca":10799,"tip_1":"Dicksonia_archboldii","tip_2":"Lophosoria_quesadae"}
{"n_fos":90,"minimum_age":242,"node_calibrated":"stem Matoniaceae","fossil_taxon":"Tomaniopteris katonii","affinities_group":"stem","affinities":"Matoniaceae","monophyly":"Yes","number_tips":4,"mrca":11034,"stem_mrca":11026,"tip_1":"Dipteris_chinensis","tip_2":"Phanerosorus_major"}
{"n_fos":117,"minimum_age":100.5,"node_calibrated":"crown Pteridaceae","fossil_taxon":"Heinrichsia cheilanthoides","affinities_group":"crown","affinities":"Pteridaceae","monophyly":"Yes","number_tips":910,"mrca":5819,"stem_mrca":5818,"tip_1":"Doryopteris_pentagona","tip_2":"Acrostichum_danaeifolium"}
{"n_fos":4,"minimum_age":7.246,"node_calibrated":"crown Drynaria","fossil_taxon":"Aglaomorpha heraclea","affinities_group":"crown","affinities":"Drynaria","monophyly":"Yes","number_tips":28,"mrca":7336,"stem_mrca":7335,"tip_1":"Drynaria_hieronymi","tip_2":"Drynaria_willdenowii"}
{"n_fos":11,"minimum_age":33.9,"node_calibrated":"stem Dryopteris","fossil_taxon":"Dryopteris guyottii","affinities_group":"stem","affinities":"Dryopteris","monophyly":"Yes","number_tips":236,"mrca":7983,"stem_mrca":7936,"tip_1":"Dryopteris_cycadina","tip_2":"Arachniodes_mutica"}
{"n_fos":63,"minimum_age":20.44,"node_calibrated":"stem Elaphoglossum","fossil_taxon":"Elaphoglossum miocenicum","affinities_group":"stem","affinities":"Elaphoglossum","monophyly":"Yes","number_tips":210,"mrca":8586,"stem_mrca":8585,"tip_1":"Elaphoglossum_paleaceum","tip_2":"Mickelia_scandens"}
{"n_fos":27,"minimum_age":56,"node_calibrated":"crown Equisetum subgen. Equisetum","fossil_taxon":"Equisetum cf. oppositum","affinities_group":"crown","affinities":"Equisetum subgen. Equisetum","monophyly":"Yes","number_tips":9,"mrca":11576,"stem_mrca":11575,"tip_1":"Equisetum_dycei","tip_2":"Equisetum_pratense"}
{"n_fos":136,"minimum_age":174.1,"node_calibrated":"stem Equisetum subgen. Paramochaete","fossil_taxon":"Equisetum laterale","affinities_group":"stem","affinities":"Equisetum subgen. Paramochaete","monophyly":"Monotypic","number_tips":1,"stem_mrca":11574,"tip_1":"Equisetum_ferrissii","tip_2":"Equisetum_bogotense"}
{"n_fos":28,"minimum_age":41.2,"node_calibrated":"crown Equisetum subgen. Hippochaete","fossil_taxon":"Equisetum clarnoi","affinities_group":"crown","affinities":"Equisetum subgen. Hippochaete","monophyly":"Yes","number_tips":10,"mrca":11584,"stem_mrca":11575,"tip_1":"Equisetum_ferrissii","tip_2":"Equisetum_scirpoides"}
{"n_fos":67,"minimum_age":100.5,"node_calibrated":"stem Gleichenia","fossil_taxon":"Gleichenia chaloneri","affinities_group":"stem","affinities":"Gleichenia","monophyly":"Yes","number_tips":8,"mrca":11082,"stem_mrca":11081,"tip_1":"Gleichenia_abscida","tip_2":"Stromatopteris_moniliformis"}
{"n_fos":148,"minimum_age":47.8,"node_calibrated":"crown Hymenophyllum","fossil_taxon":"Hymenophyllum axsmithii","affinities_group":"crown","affinities":"Hymenophyllum","monophyly":"Yes","number_tips":138,"mrca":11245,"stem_mrca":11089,"tip_1":"Hymenophyllum_acanthoides","tip_2":"Hymenophyllum_scabrum"}
{"n_fos":70,"minimum_age":15.97,"node_calibrated":"stem Goniophlebium","fossil_taxon":"Goniophlebium macrosorum","affinities_group":"stem","affinities":"Goniophlebium","monophyly":"Yes","number_tips":16,"mrca":7583,"stem_mrca":7427,"tip_1":"Lepisorus_angustus","tip_2":"Goniophlebium_fieldingianum"}
{"n_fos":147,"minimum_age":7.25,"node_calibrated":"crown Lepisorus","fossil_taxon":"Neolepisorus chingii","affinities_group":"crown","affinities":"Lepisorus","monophyly":"No","number_tips":88,"mrca":7452,"stem_mrca":7451,"tip_1":"Lepisorus_angustus","tip_2":"Lepisorus_longifolius"}
{"n_fos":73,"minimum_age":93.9,"node_calibrated":"stem Lindsaeaceae","fossil_taxon":"Lindsaeaceae gen. et. sp. indet.","affinities_group":"stem","affinities":"Lindsaeaceae","monophyly":"Yes","number_tips":168,"mrca":10247,"stem_mrca":10246,"tip_1":"Lindsaea_hemiptera","tip_2":"Lonchitis_occidentalis"}
{"n_fos":30,"minimum_age":59.2,"node_calibrated":"crown Lygodiaceae","fossil_taxon":"Lygodium sanshuiense","affinities_group":"crown","affinities":"Lygodiaceae","monophyly":"Yes","number_tips":19,"mrca":11008,"stem_mrca":10906,"tip_1":"Lygodium_oligostachyum","tip_2":"Lygodium_articulatum"}
{"n_fos":87,"minimum_age":145,"node_calibrated":"stem Marsileaceae","fossil_taxon":"Regnellites nagashimae","affinities_group":"stem","affinities":"Marsileaceae","monophyly":"Yes","number_tips":41,"mrca":10855,"stem_mrca":10854,"tip_1":"Marsilea_angustifolia","tip_2":"Salvinia_natans"}
{"n_fos":116,"minimum_age":100.5,"node_calibrated":"stem Matonia","fossil_taxon":"Matonia jeffersonii","affinities_group":"stem","affinities":"Matonia","monophyly":"Yes","number_tips":2,"mrca":11035,"stem_mrca":11034,"tip_1":"Matonia_pectinata","tip_2":"Phanerosorus_major"}
{"n_fos":92,"minimum_age":100.5,"node_calibrated":"stem Monachosorum","fossil_taxon":"Krameropteris resinatus","affinities_group":"stem","affinities":"Monachosorum","monophyly":"Yes","number_tips":6,"mrca":10239,"stem_mrca":10121,"tip_1":"Microlepia_strigosa","tip_2":"Monachosorum_maximowiczii"}
{"n_fos":93,"minimum_age":56,"node_calibrated":"stem Onoclea","fossil_taxon":"Onoclea sensibilis","affinities_group":"stem","affinities":"Onoclea","monophyly":"Monotypic","number_tips":1,"stem_mrca":9384,"tip_1":"Onocleopsis_hintonii","tip_2":"Onoclea_sensibilis"}
{"n_fos":94,"minimum_age":93.9,"node_calibrated":"stem Ophioglossum","fossil_taxon":"Ophioglossum senomanicum","affinities_group":"stem","affinities":"Ophioglossum","monophyly":"Yes","number_tips":24,"mrca":11494,"stem_mrca":11493,"tip_1":"Ophioglossum_californicum","tip_2":"Cheiroglossa_palmata"}
{"n_fos":86,"minimum_age":307,"node_calibrated":"stem Marattiaceae","fossil_taxon":"Radstockia kidsonii","affinities_group":"stem","affinities":"Marattiaceae","monophyly":"Yes","number_tips":83,"mrca":11399,"stem_mrca":5810,"tip_1":"Oreogrammitis_conjunctisora","tip_2":"Danaea_erecta"}
{"n_fos":131,"minimum_age":407.6,"node_calibrated":"stem Euphyllophytes","fossil_taxon":"Eophyllophyton bellum","affinities_group":"stem","affinities":"Euphyllophytes","monophyly":"Yes","number_tips":5797,"mrca":5808,"stem_mrca":5807,"tip_1":"Oreogrammitis_conjunctisora","tip_2":"Lycopodium_clavatum"}
{"n_fos":140,"minimum_age":129.4,"node_calibrated":"stem Dryopteridaceae","fossil_taxon":"Dryopterites beishanensis","affinities_group":"stem","affinities":"Dryopteridaceae","monophyly":"Yes","number_tips":983,"mrca":7932,"stem_mrca":6732,"tip_1":"Oreogrammitis_conjunctisora","tip_2":"Parapolystichum_currorii"}
{"n_fos":68,"minimum_age":272.95,"node_calibrated":"stem Gleicheniaceae","fossil_taxon":"Szea sinensis","affinities_group":"stem","affinities":"Gleicheniaceae","monophyly":"Yes","number_tips":53,"mrca":11037,"stem_mrca":5813,"tip_1":"Oreogrammitis_conjunctisora","tip_2":"Rouxopteris_boryi"}
{"n_fos":95,"minimum_age":93.9,"node_calibrated":"stem Osmunda","fossil_taxon":"Osmunda granulata","affinities_group":"stem","affinities":"Osmunda","monophyly":"Yes","number_tips":5,"mrca":11386,"stem_mrca":11385,"tip_1":"Osmunda_lancea","tip_2":"Plenasium_angustifolium"}
{"n_fos":98,"minimum_age":83.6,"node_calibrated":"stem Regnellidium","fossil_taxon":"Regnellidium upatoensis","affinities_group":"stem","affinities":"Regnellidium","monophyly":"Monotypic","number_tips":1,"stem_mrca":10856,"tip_1":"Pilularia_globulifera","tip_2":"Regnellidium_diphyllum"}
{"n_fos":79,"minimum_age":125,"node_calibrated":"stem Loxsomataceae","fossil_taxon":"Loxsomopteris anasilla","affinities_group":"stem","affinities":"Loxsomataceae","monophyly":"Yes","number_tips":2,"mrca":10853,"stem_mrca":10841,"tip_1":"Plagiogyria_japonica","tip_2":"Loxsomopsis_pearcei"}
{"n_fos":105,"minimum_age":145,"node_calibrated":"stem Thyrsopteridaceae","fossil_taxon":"Oguracaulis banksii","affinities_group":"stem","affinities":"Thyrsopteridaceae","monophyly":"Monotypic","number_tips":1,"stem_mrca":10840,"tip_1":"Plagiogyria_japonica","tip_2":"Thyrsopteris_elegans"}
{"n_fos":33,"minimum_age":15.97,"node_calibrated":"crown Pleopeltis","fossil_taxon":"Pleopeltis dominicensis","affinities_group":"crown","affinities":"Pleopeltis","monophyly":"No","number_tips":54,"mrca":7256,"stem_mrca":7218,"tip_1":"Pleopeltis_burchellii","tip_2":"Pleopeltis_rosei"}
{"n_fos":97,"minimum_age":27.82,"node_calibrated":"stem Polypodium s.l.","fossil_taxon":"Polypodium radonii","affinities_group":"stem","affinities":"Polypodium s.l.","monophyly":"No","number_tips":26,"mrca":7310,"stem_mrca":7217,"tip_1":"Pleopeltis_burchellii","tip_2":"Pleurosoriopsis_makinoi"}
{"n_fos":114,"minimum_age":23.03,"node_calibrated":"stem Polystichum","fossil_taxon":"Polystichum pacltovae","affinities_group":"stem","affinities":"Polystichum","monophyly":"Yes","number_tips":200,"mrca":8244,"stem_mrca":8218,"tip_1":"Polystichum_yunnanense","tip_2":"Phanerophlebia_juglandifolia"}
{"n_fos":35,"minimum_age":66,"node_calibrated":"stem Acrostichum+Ceratopteris","fossil_taxon":"Acrostichum intertrappeum","affinities_group":"stem","affinities":"Acrostichum+Ceratopteris","monophyly":"Yes","number_tips":10,"mrca":5821,"stem_mrca":5820,"tip_1":"Pteris_kiuschiuensis","tip_2":"Acrostichum_danaeifolium"}
{"n_fos":113,"minimum_age":86.3,"node_calibrated":"crown Schizaeaceae","fossil_taxon":"Paralygodium meckertii","affinities_group":"crown","affinities":"Schizaeaceae","monophyly":"Yes","number_tips":23,"mrca":10986,"stem_mrca":10907,"tip_1":"Schizaea_dichotoma","tip_2":"Actinostachys_digitata"}
{"n_fos":125,"minimum_age":33.9,"node_calibrated":"stem Drynaria","fossil_taxon":"Protodrynaria takhtajanii","affinities_group":"stem","affinities":"Drynaria","monophyly":"Yes","number_tips":28,"mrca":7336,"stem_mrca":7335,"tip_1":"Selliguea_yakushimensis","tip_2":"Drynaria_willdenowii"}
{"n_fos":123,"minimum_age":72.1,"node_calibrated":"stem Woodwardia","fossil_taxon":"Woodwardia sp. indet.","affinities_group":"stem","affinities":"Woodwardia","monophyly":"Yes","number_tips":12,"mrca":9213,"stem_mrca":9212,"tip_1":"Woodwardia_unigemmata","tip_2":"Anchistea_virginica"}