The following are gratefully acknowledged for permission to display their content on the website, to be used for the common good in the areas of research, conservation and education. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie; Gardens Bulletin Singapore; Kew Bulletin; Phillippine Journal of Science; Plant Systematics and Evolution, Webbia and the Biodiversity Heritage Library. We thank the curators of following herbaria for allowing us access to specimens: A, AAU, ABD, ALCB, AMAZ, ANDA, ANDES, ARUN, ARUNU, AS, ASE, ASSAM, ASU, B, BA, BAB, BAH, Bali BG, BAS, BATA, BEREA, BH, BHCB, BHZB, BISH, BK, BKF, BLAT, BM, BO, BOHB, BOLO, BOLV, BOTU, BR, BRBA, BRH, BRI, BRIT, BRLU, BRUN, BSHC, BSIP, BSN, C, CAHUP, CAL, CALI, CANT, CAS, CDBI, CEB, CEBU, CEN, CEPEC, CESJ, CGE, CGMS, CHAPA, CHEP, CHPM, CHS, CIMG, CLEMS, CM, CMUH, CNMT, COAH, COI, COL, COR, CORD, CPAP, CPC, CPNP, CPUN, CR, CRI, CSH, CSIR-NEIST, CTES, CU, CUVC, CUZ, CVRD, DAV, DR, DS, DUKE, DVPR, E, EA, EAC, EAFM, EAP, ECT, ECUAMZ, EFC, EMBRAPA, ENCB, ESA, EVB, F, FCAB, FCME, FCQ, FEUH, FHI, FHO, FI, FIPIA, FLOR, FMA, FMB, FMM, FOF, FR, FRIM, FSU, FTG, FUEL, FURB, G, GB, G-BOIS, G-DC, GENT, GFJP, GH, GHSP, GOET, GUA, GUBH, GXEM, GXMG, GXMI, HAJB, HAL, HAMAB, HAO, HAS, HAST, HB, HBG, HBR, HCDAL, HCF, HCU, HDJF, HEM, HEPH, HERBAM, HFSL, HGAS, HHU, HIB, HITBC, HJ, HLDG, HN, HNL, HNU, HNUL, HOXA, HPAN, HPBR, HPL, HRCB, HSB, HST, HSTM, HT, HTSA, HUA, HUCO, HUCP, HUCS, HUEFS, HUEG, HUEM, HUENF, HUESB, HUFSJ, HUFU, HUMC, HUMS, HUPG, HURB, HUSA, HUSC, HUT, HUTO, HVASF, HVAT, IAC, IAN, IBE, IBG, IBK, IBSC, IBUG, ICN, IEB, IEC, IFE, INB, INPA, IPA, IRAI, ITIC, IZTA, JAUM, JBB, JE, JOI, JPB, K, KAG, KATH, KB, KEP, KFTA, KKU, KLU, KRB, KUN, K-W, KYO, L, LABEV, LAE, LAGU, LBV, LD, LE, LG, LIBRV, LIL, LINN, LISCJ, LISU, LL, LP, LPB, LUSC, LY, LYJB, LZ, M, MA, MAC, MACK, MAN, MBK, MBM, MBML, MEDEL, MEL, MEX, MEXU, MG, MH, MICH, MIN, MISS, MO, MOL, MOSS, MPUC, MW, NA, NDG, NLS, NLUH, NOLS, NTUF, NY, OAX, OXF, P, PACA-AGP, PDA, PE, PEM, PERD, PH, PHH, PI, PMA, PMSP, PNH, PORT, PPC, PR, PRE, PSU, PY, PYU, QBG, QCA, QCNE, QPLS, R, RAF, RB, RBR, REAL, RGU, RON, RSA, RUSU, S, SAN, SAR, SBC, SCZ, SEL, SGN, SI, SING, SJRP, SMAO, SMDB, SNP, SORO, SP, SPF, SPFW, SPSF, STCH, STU, SUK, SYS, SZG, TAI, TAIF, TAN, TANG, TCD, TEF, TEPB, TEX, THIM, TI, TLXM, TNM, TNS, TO, TUCH, U, UB, UC, UCR, UDBC, UEC, UESC, UFACPZ, UFG, UFMT, UFP, UFRN, UFRR, UIS, UKMB, UNA, UNIP, UNOP, UNR, UPCB, UPM, UPNG, UPS, UPTC, US, USCG, USF, USM, USMS, USTH, USZ, UTMC, UVM, VAFS, VEN, VIC, VIES, VNM, VNMN, VT, W, WAG, WAN, WFU, WIS, WRSL, WTU, WU, XAL, YA, YUKU, YUNU, Z, ZT. 

This project was funded by the M.L. MacIntyre Begonia Trust, the Sibbald Trust and SYNTHESYS (awards NL-TAF 1608, FR-TAF 1416 and DE-TAF 2181). The database is maintained at the Royal Botanic Garden Edinburgh, supported by the Scottish Government's Rural and Environment Science and Analytical Services Division (RESAS).