| | Species | Collector, specimen number (Herbarium of deposit) |
| | U. aurea | Burkill, HMB2327 (L, SING); Purseglove, P4293 (K, L, SING) |
| | U. bifida | Chew, FRI53756 (K, KEP); Chew, FRI67377 (DUB, K, KEP); Kiew, RK2232 (KEP); Siti-Munirah, FRI55252 (KEP) |
| | U. caerulea | Burkill, HMB 3305 (K, L, SING); Chew, FRI63329 (DUB, K, KEP, TAIF); Ridley, 10091 (SING); Ridley, s.n. (SING); Robinson, 6112 (K, SING); Spare, 2925 (SING); Spare, 3667 (SING); Wight, 2418 (L) |
| | U. furcellata | Chew, FRI53603 (KEP) |
| | U. gibba | Spare, 3615 (SING) |
| | U. involvens | Abdul Kadir SF19763 (L, SING); Burkill, HMB 3306 (K, SING); Chew FRI63280 (KEP, K, DUB, TAIF); Ding, 783 (K, L); Flippance, s.n. (SING); Kiew, RK4859 (SING); Mohd. Haniff 5174 (SING); Mohd. Haniff, SF4736 (L, SING); Ng, FRI27117 (KEP); Reilly, 155 (K); Ridley, s.n. (SING); Robinson, HCR 5959 (K, SING); Symington, FMS46881 (KEP); Anonymous, SFN35814 (SING) |
| | U. minutissima | Chew, FRI60205 (KEP); Chew, FRI63300 (K, KEP); Chew, FRI63328 (DUB, KEP); Chew, FRI65651 (KEP); Chew, FRI67378 (DUB, K, KEP); Hislop, s.n. (SING); Holttum, 20645 (SING); Kiew, RK2438 (SING); Kloss, 12132 (SING); Kloss, 12206 (L, SING); Mohd. Haniff, 7994 (K, L, SING); Ridley, 16111 (K, SING); Ridley, 16112 (K, SING); Ridley, s.n. (L); Ridley, s.n. (SING); Robinson, 5955 (K, SING); Spare 3664 (K, L, SING); Spare, 3665 (SING); Symington, FMS37774 (KEP); Symington, 28840 (SING); Kiew, RK4080 (K, KEP); Wilkie, FRI52872 (E, KEP); Wong, W171 (KEP); Wray, 5447 (L, SING); |
| | U. scandens | Chew, FRI63327 (KEP, K, DUB); Ridley, s.n. (L, SING) |
| | U. striatula | Burkill, HMB3362 (K, L); Chew, FRI58683 (KEP, SING); Chew, FRI58685 (KEP); Chew, FRI60221 (KEP); Chew, FRI65653 (KEP); Chew, FRI67363 (KEP, K); Chew, s.n. (KEP); Curtis, s.n. (SING); Kiew, RK2434 (KEP); Kloss, 12131 (SING); Kloss, 12214 (SING); Lim, FRI56349 (E, KEP, L, SAN, SING); Ridley, s.n. (SING); Robinson, 5970 (K); Robinson, 5976 (SING); Spare, 3663 (SING); Stone, 6394 (L); Wight, 2419 (L); Holttum, 21595 (SING); Kiew, RK230 (SING); Mohd. Haniff, 7883 (SING); Ridley, 16111 (K, SING); Seimund, ES170 (SING); Wilkie, FRI52874 (E, KEP, SAN); Wong, W92 (KEP); Wray, 3880 (SING); Wray, 4146 (SING); Yapp, 436 (K) |
| | U. uliginosa | Chew, FRI58682 (KEP, SING); Chew, FRI58684 (KEP); Chew, FRI 63326 (DUB, K, KEP, TAIF); Chew, FRI 63285 (DUB, K, KEP, SING); Hislop, s.n. (L, SING); Rao, 90 (L); Ridley, s.n. (SING); Spare, 3662 (SING); Symington, FMS37773 (KEP) |
| | U. vitellina | Chew, FRI60222 (KEP); Chew, FRI63684 (KEP); Ridley 16113 (SING) |
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