Acanthaceae A: 00257359 Strobilanthes Blume Philippines: Benguet Between Baguio and Sablon, Northern Luzon R. S. Williams 1368 1904-11-19
A: 00257359 Strobilanthes pluriformis C. B. Clarke Philippines: Benguet Between Baguio and Sablon, Northern Luzon R. S. Williams 1368 1904-11-19
Actinidiaceae GH: 01684481 Saurauia sparsiflora Elmer Philippines: Benguet Mount Santo Tomas R. S. Williams 1333 1904-10-30
Anacardiaceae GH: 02280447 Koordersiodendron pinnatum (Blanco) Merr. Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 647 1904-3-2
Apocynaceae GH: 02116920 Ichnocarpus frutescens (Linnaeus) W. T. Aiton Philippines: Bataan Mt. Mariveles, Prov. Bataan, Central Luzon; ... R. S. Williams 654 1904-3-7
A: 02116919 Ichnocarpus frutescens (Linnaeus) W. T. Aiton Philippines: Bataan Mt. Mariveles, Prov. Bataan, Central Luzon; ... R. S. Williams 654 1904-3-7
GH: 02381070 Ochrosia glomerata (Blume) F. Mueller Philippines: Bataan Lamao River, Mt. Mariveles, Central Luzon R. S. Williams 706 1904-3-15
GH: 02381051 Ochrosia glomerata (Blume) F. Mueller Philippines: Bataan Lamao River, Mt. Mariveles, Central Luzon R. S. Williams 706 1904-3-15
Araliaceae GH: 02456305 Aralia bipinnata Blanco Philippines: Benguet Baguio R. S. Williams 1145 1904-6-24
GH: 02456302 Aralia bipinnata Blanco Philippines: Benguet Baguio R. S. Williams 1030 1904-10-7
GH: 02456296 Aralia bipinnata Blanco Philippines: Benguet Baguio R. S. Williams 1030 1904-10-7
A: 02456528 Arthrophyllum ahernianum Merrill Philippines: Benguet Salban R. S. Williams 1557 1904-11-18
GH: 02522215 Schefflera benguetensis Merrill Philippines: Benguet Baguio R. S. Williams 1164 1904-6-21
GH: 02522222 Schefflera blancoi (Blanco) Merrill Philippines: Benguet Trinidad R. S. Williams 1304 1904-9-28
GH: 02522331 Schefflera elliptica (Blume) Harms Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 903 1904-4-3
GH: 02522425 Schefflera microphylla Merrill Philippines: Benguet Mount Santo Tomas R. S. Williams 1019 1904-10-12
A: 02522437 Schefflera oblongifolia Merrill Philippines: Benguet Trinidad R. S. Williams 1205 1904-9-28
Arecaceae GH: 02426748 Caryota cumingii Loddiges ex Martius Philippines: Bataan Lamao River, Mt. Mariveles. R. S. Williams 571 1904-2-10
Asteraceae GH: 02251643 Ainsliaea reflexa Merrill Philippines: Benguet Mount Santo Tomas. R. S. Williams 1434 1904-10-12
GH: 02250246 Carpesium cernuum Linnaeus Philippines: Benguet Mount Santo Tomas. R. S. Williams 1974 1904-11-30
GH: 02247724 Centratherum fruticosum S. Vidal Philippines: Benguet Mount Santo Tomas. R. S. Williams 1439 1904-10-29
GH: 02251627 Cirsium wallichii de Candolle Philippines: Benguet Mount Santo Tomas. R. S. Williams 1981 1904-11-30
GH: 02247848 Cyanthillium patulum (Dryand. ex Aiton) H.Rob. Philippines: Benguet Below Twin Peaks, Benguet Road. R. S. Williams 2011 1904-12-29
GH: 02251241 Emilia fosbergii Nicolson Philippines: Baguio: [no additional data] R. S. Williams 1430 1904-11-5
GH: 02251240 Emilia fosbergii Nicolson Philippines: Baguio: [no additional data] R. S. Williams 1438 1904-10-24
GH: 02248736 Eupatorium sambucifolium Elmer Philippines: Benguet Mount Santo Tomas. R. S. Williams 1081 1904-7-1
GH: 02248737 Eupatorium toppingianum Elmer Philippines: Benguet Mount Santo Tomas. R. S. Williams 1435 1904-10-12
GH: 02251425 Gynura procumbens (Loureiro) Merrill Philippines: Baguio: [no additional data] R. S. Williams 1429 1904-9-15
GH: 02251444 Gynura vidaliana Elmer Philippines: Benguet Mount Santo Tomas. R. S. Williams 1432 1904-10-12
GH: 02250347 Laggera alata Schultz Bipontinus ex Oliver Philippines: Baguio: Kias Hill. R. S. Williams 2017 1904-12-28
GH: 02248839 Mikania cordata B. L. Robinson Philippines: Baguio: [no additional data] R. S. Williams 1428 1904-11-5
GH: 02248831 Mikania cordata B. L. Robinson Philippines: Bataan Lamao River, Mt. Mariveles. R. S. Williams 584 1904-2-16
GH: 02251605 Senecio luzoniensis Merr. Philippines: Benguet Mount Santo Tomas. R. S. Williams 1977 1904-11-29
Begoniaceae GH: 02228879 Begonia pseudolateralis Warburg Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 523 1904-1-13
GH: 02228927 Begonia sp. Philippines: Baguio: [no additional data] R. S. Williams 1532 1904-11-29
Berberidaceae GH: 00038874 Mahonia philippinensis C. K. Schneider Philippines: Benguet Baguio, Luzon Island R. S. Williams 1460 1904-11-13
Bixaceae GH: 02258748 Bixa orellana Linnaeus Philippines: Benguet Sablan R. S. Williams 1377 1904-11-17
Boraginaceae A: 02476418 Cynoglossum zeylanicum (Vahl) Thunberg ex Lehmann Philippines: Benguet Baguio R. S. Williams 1129 1904-6-15
GH: 02476553 Ehretia philippinensis A. de Candolle Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 513 1904-1-25
GH: 02476822 Tournefortia sarmentosa Lamarck Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 525 1904-1-20
Brachytheciaceae FH: 00220179 Homalothecium celebesiae (Müller Halle) Brotherus Philippines: Benguet Northern Luzon, Baguio R. S. Williams 1881 1904-9
FH: 00220178 Homalothecium laevisetum Sande Lacoste Philippines: Benguet Northern Luzon, Baguio R. S. Williams 1881 1904-9
FH: 00213965 Oxyrrhynchium distantifolium R. S. Williams Philippines: Benguet Northern Luzon, Baguio, 1570 m. R. S. Williams 1718 1904-10
FH: 00220178 Pleuropus appressifolium R. S. Williams Philippines: Benguet Northern Luzon, Baguio R. S. Williams 1881 1904-9
FH: 00220179 Pleuropus appressifolium R. S. Williams Philippines: Benguet Northern Luzon, Baguio R. S. Williams 1881 1904-9
Bryaceae FH: 00059151 Bryum abditum R. S. Williams Philippines: Benguet Baguio, on rock walls R. S. Williams 3170 1904-9
FH: 00220248 Pseudopohlia bulbifera R. S. Williams Philippines: Benguet Northern Luzon, between Baguio and Sablan. R. S. Williams 1770 1904-11
Burseraceae GH: 02276770 Canarium asperum Bentham Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 641 1904-2-19
GH: 02276759 Canarium asperum Bentham Philippines: Benguet Sablan R. S. Williams 1373 1904-11-18
Caesalpiniaceae GH: 02229527 Caesalpinia latisiliqua (Cavanilles) Hattink Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 701 1904-3-9
GH: 02229528 Caesalpinia latisiliqua (Cavanilles) Hattink Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 701 1904-3-9
GH: 02229743 Chamaecrista mimosoides (Linnaeus) Green Philippines: Baguio: [no additional data] R. S. Williams 994 1904-7-28
GH: 02231234 Gleditsia rolfei S. Vidal Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 564 1904-2-5
GH: 02232420 Phanera integrifolia cumingiana (Bentham) de Wit Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 563 1904-2-3
Calymperaceae FH: 00220565 Mitthyridium flavum (Müller Halle) H. Robinson Philippines: Bataan Central Luzon, Lamas River R. S. Williams 824 1904-3
FH: 00220566 Mitthyridium flavum (Müller Halle) H. Robinson Philippines: Bataan Central Luzon, Lamao river R. S. Williams 824 1904-3
FH: 00220565 Syrrhopodon luzonensis R. S. Williams Philippines: Bataan Central Luzon, Lamas River R. S. Williams 824 1904-3
FH: 00220566 Syrrhopodon luzonensis R. S. Williams Philippines: Bataan Central Luzon, Lamao river R. S. Williams 824 1904-3
Casuarinaceae GH: 02246046 Casuarina equisetifolia Linnaeus Philippines: Benguet Benguet Road. R. S. Williams 1312 1904-9-7
Celastraceae A: 00348354 Microtropis curranii Merrill Philippines: Benguet Mount Santo Tomas, Prov. Benguet, Northern L... R. S. Williams 1300 1904-10-12
Chrysobalanaceae GH: 02260366 Maranthes corymbosa Blume Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 565 1904-2-4
A: 02260373 Maranthes corymbosa Blume Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 645 1904-3-8
Convolvulaceae GH: 00249777 Lepistemon binectariferum trichocarpum (Gagnepain) Ooststroom Philippines: Bataan Lamao river, Mt. Mariveles, Prov. Bataan, Ce... R. S. Williams 520 1904-1-20
GH: 00249777 Lepistemon flavescens Blume Philippines: Bataan Lamao river, Mt. Mariveles, Prov. Bataan, Ce... R. S. Williams 520 1904-1-20
Cucurbitaceae GH: 00261765 Zehneria mucronata (Blume) Miquel Philippines: Baguio: Prov. Benguet, Northern Luzon R. S. Williams 1446 1904-11
Cyatheaceae GH: 02530198 Alsophila caudata J. Smith Philippines: Bataan Mt. Mariveles R. S. Williams 779 1904-3-24
GH: 02530204 Alsophila caudata J. Smith Philippines: Bataan Upper Lamao River, Mt. Mariveles R. S. Williams 677 1904-2-24
GH: 02530240 Alsophila heterochlamydea (Copeland) R. M. Tryon Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 677 1904-3-24
Cyperaceae GH: 02429300 Carex cruciata rafflesiana (Boott) Nooteboom Philippines: Baguio: [no additional data] R. S. Williams 1241 1904-5-14
GH: 02429354 Carex phacota Sprengel Philippines: Baguio: [no additional data] R. S. Williams 1246 1904-5-14
GH: 02430137 Fimbristylis aestivalis Vahl Philippines: Baguio: [no additional data] R. S. Williams 1229 1904-5-13
GH: 02430216 Fimbristylis dichotoma (Linnaeus) Vahl Philippines: Baguio: [no additional data] R. S. Williams 1248 1904-6-4
GH: 02430198 Fimbristylis dichotoma (Linnaeus) Vahl Philippines: Baguio: [no additional data] R. S. Williams 1236 1904-5-16
GH: 00027859 Fimbristylis paludosa Merrill Philippines: Benguet Baguio, Luzon Island R. S. Williams 1239 1904-5-23
GH: 00027859 Fimbristylis salbundia (Nees) Kunth Philippines: Benguet Baguio, Luzon Island R. S. Williams 1239 1904-5-23
GH: 02430756 Kyllinga brevifolia Rottbøll Philippines: Baguio: [no additional data] R. S. Williams 1228 1904-5-17
GH: 02431494 Rhynchospora rubra (Loureiro) Makino Philippines: Baguio: [no additional data] R. S. Williams 1552 1904-11-7
GH: 02431973 Scirpus ternatanus Reinwardt ex Miquel Philippines: Baguio: [no additional data] R. S. Williams 1249 1904-5-26
GH: 02468389 Scleria parvula Steudel Philippines: Baguio: [no additional data] R. S. Williams 1970 1904-9-14
Daphniphyllaceae GH: 02294724 Daphniphyllum glaucescens luzonense (Elmer) T. C. Huang Philippines: Benguet Mount Santo Tomas, Prov. Benguet, Northern L... R. S. Williams 1337 1904-10-29
Dicranaceae FH: 00059311 Campylopus subericoides R. S. Williams Philippines: Benguet Mt. Santo Tomas, on earth R. S. Williams 1857 1904-11
FH: 00060448 Dicranodontium subaspermum R. S. Williams Philippines: Benguet Luzon Island, Mount Santo Tomas R. S. Williams 1846 1904-10
FH: 00060450 Dicranodontium subaspermum R. S. Williams Philippines: Benguet Northern Luzon Island, Mount Santo Tomas,on ... R. S. Williams 1846 1904-10
Ebenaceae GH: 02477900 Diospyros kurzii Hiern Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 517 1904-1-23
Elaeocarpaceae GH: 02464985 Elaeocarpus pendulus Merrill Philippines: Baguio: [no additional data] R. S. Williams 916 1904-9-19
GH: 00052116 Elaeocarpus subglobosus Merrill Philippines: Benguet Baguio, Northern Luzon R. S. Williams 1036 1904-10-15
GH: 00052120 Elaeocarpus venosus C. B. Robinson Philippines: Benguet Mount Santo Tomas, Northern Luzon R. S. Williams 2022 1904-11-29
Ericaceae GH: 02440858 Ardisia polysticta Miquel Philippines: Benguet Baguio R. S. Williams 979 1904-10-12
GH: 01820475 Gaultheria leucocarpa cumingiana (Vidal) T. Z. Hsu Philippines: Baguio: [no additional data] R. S. Williams 951 1904-9-21
GH: 02545485 Rhododendron quadrasianum rosmarinifolium (Vidal) Copeland Philippines: Benguet Mount Santo Tomas R. S. Williams 1335 1904-10-29
GH: 02545533 Rhododendron williamsii Merrill ex H. F. Copeland Philippines: Benguet Mount Santo Tomas R. S. Williams 990 1904-7-20
A: 02545530 Rhododendron williamsii Merrill ex H. F. Copeland Philippines: La Union Mount Santo Tomas R. S. Williams 990 1904-7-20
Euphorbiaceae GH: 02562022 Claoxylon purpureum Merrill Philippines: Baguio: [no additional data] R. S. Williams 1071 1904-6-4
GH: 02562031 Claoxylon rubescens Miquel Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 533 1904-1-28
GH: 02418536 Macaranga tanarius (Linnaeus) Müller Argoviensis Philippines: Bataan Lamas Riv., Mt. Mariveles R. S. Williams 471 1904-1-9
GH: 02418535 Macaranga tanarius (Linnaeus) Müller Argoviensis Philippines: Bataan Lamas Riv., Mt. Mariveles R. S. Williams 470 1904-1-4
Fabaceae A: 02234832 Abrus sp. Philippines: Benguet Antamok R. S. Williams 1415 1904-10-22
GH: 02233223 Cajanus scarabaeoides (Linnaeus) Thouars Philippines: Benguet Antamok R. S. Williams 1418 1904-10-22
GH: 02233790 Crotalaria acicularis Buchanan-Hamilton Philippines: Baguio: [no additional data] R. S. Williams 1411 1904-9-16
GH: 02237301 Desmodium gangeticum (Linnaeus) de Candolle Philippines: Benguet Itogon R. S. Williams 1406 1904-10-18
GH: 02237366 Desmodium microphyllum (Thunberg) de Candolle Philippines: Benguet Baguio R. S. Williams 1895 1904-11-2
GH: 02237369 Desmodium motorium (Houttuyn) Merrill Philippines: Benguet Antamok R. S. Williams 1407 1904-10-22
GH: 02237446 Desmodium sequax Wallich Philippines: Baguio: [no additional data] R. S. Williams 914 1904-9-20
GH: 02237468 Desmodium triquetrum (Linnaeus) de Candolle Philippines: Benguet Bet. Banguio & Antamok R. S. Williams 1414 1904-10-22
GH: 02237476 Desmodium triquetrum pseudotriquetrum (de Candolle) Prain Philippines: Benguet Between Baguio and Antamok R. S. Williams 1414 1904-10-22
GH: 02237522 Desmodium velutinum de Candolle Philippines: Benguet Itogon R. S. Williams 1405 1904-10-18
GH: 02237639 Dumasia sp. Philippines: Benguet Mount Santo Tomas R. S. Williams 1412 1904-10-12
GH: 02261430 Indigofera hirsuta Linnaeus Philippines: Benguet Antamok R. S. Williams 1417 1904-10-22
GH: 02262596 Smithia ciliata Royle Philippines: Baguio: [no additional data] R. S. Williams 970 1904-9-28
GH: 02262600 Smithia sensitiva Aiton Philippines: Benguet Trinidad R. S. Williams 969 1904-9-28
GH: 02262601 Smithia sensitiva Aiton Philippines: Benguet near Trinidad R. S. Williams 1277 1904-7-5
GH: 02262670 Solori scandens (Roxburgh) Sirichamorn & Adema Philippines: Baguio: [no additional data] R. S. Williams 1053 1904-6-10
GH: 02259165 Uraria picta (Jacquin) Desvaux Philippines: Benguet Antamok R. S. Williams 1416 1904-10-22
Fagaceae GH: 02556905 Lithocarpus jordanae (Laguna y Villanueva) Rehder Philippines: Benguet Mount Santo Tomas, Prov. Benguet, Northern L... R. S. Williams 1365 1904-10-30
GH: 02556904 Lithocarpus jordanae (Laguna y Villanueva) Rehder Philippines: Benguet Mount Santo Tomas, Prov. Benguet, Northern L... R. S. Williams 1321 1904-10-12
GH: 02557019 Lithocarpus submonticola (Elmer) Rehder Philippines: Benguet Baguio, Prov. Benguet, Northern Luzon R. S. Williams 1363 1904-6-13
GH: 02557018 Lithocarpus submonticola (Elmer) Rehder Philippines: Benguet Baguio, Prov. Benguet, Northern Luzon R. S. Williams 1364 1904-11-5
A: 02568424 Lithocarpus sulitii Soepadmo Philippines: Bataan Lamao River, Mt. Mariveles, Prov. Bataan, Ce... R. S. Williams 705 1904-3-12
GH: 02557038 Lithocarpus woodii (Hance) A.Camus Philippines: Benguet Baguio, Prov. Benguet, Northern Luzon R. S. Williams 949 1904-9-16
Gesneriaceae GH: 02314447 Rhynchoglossum obliquum Blume Philippines: Benguet Baguio R. S. Williams 1039 1904-10-8
GH: 02314490 Rhynchotechum discolor (Maximowicz) B. L. Burtt Philippines: Benguet Baguio R. S. Williams 1366 1904-8-7
Gnetaceae GH: 02461713 Gnetum gnemon Linnaeus Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 505 1904-1-20
GH: 02461711 Gnetum gnemon Linnaeus Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 713 1904-3-12
Icacinaceae GH: 02590994 Gonocaryum calleryanum (Baillon) Beccari Philippines: Bataan Lamao River, Mt. Mariveles; Central Luzon R. S. Williams 493 1904-1-3
Lauraceae A: 02538731 Cryptocarya ferrea Blume Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 685 1904-3-10
GH: 02500042 Litsea fulva Fernandez-Villar Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 528 1904-1-18
Lembophyllaceae FH: 00060607 Elmeriobryum brotheri R. S. Williams ex Brotherus Philippines: Benguet Northern Luzon Island, Baguio, R. S. Williams 1728 1904-9
Lentibulariaceae GH: 01977304 Utricularia bifida Linnaeus Philippines: Benguet Baguio. Northern Luzon. R. S. Williams 1015 1904-10-24
Lindsaeaceae GH: 02286570 Lindsaea fissa Copeland Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 782 1904-3-22
GH: 02286612 Lindsaea merrillii Copeland Philippines: Benguet Antamok R. S. Williams 1484 1904-10-22
Melastomataceae GH: 02270005 Astronia cumingiana S. Vidal Philippines: Benguet Sablan, Prov. Benguet, Northern Luzon R. S. Williams 1556 1904-11-18
GH: 02272573 Medinilla annulata C.B.Rob. Philippines: Benguet Baguio, Prov. Benguet, Northern Luzon R. S. Williams 1113 1904-6-24
GH: 02272719 Medinilla dolichophylla Merr. Philippines: Benguet Baguio, Prov. Benguet, Northern Luzon R. S. Williams 1309 1904-10-5
GH: 02273058 Medinilla pachygona C.B.Robinzon Philippines: Benguet Baguio, Prov. Benguet, Northern Luzon R. S. Williams 952 1904-9-20
GH: 02273096 Medinilla pendula Merrill Philippines: Benguet Baguio, Prov. Benguet, Northern Luzon R. S. Williams 947 1904-7-30
GH: 00073207 Sarcopyramis delicata C. B. Robinson Philippines: Benguet Mount Santo Tomas, Luzon Island, 6500 feet R. S. Williams 1276 1904-7-1
GH: 00073207 Sarcopyramis napalensis Wallich Philippines: Benguet Mount Santo Tomas, Luzon Island, 6500 feet R. S. Williams 1276 1904-7-1
Meteoriaceae FH: 00059060 Barbella elongata R. S. Williams Philippines: Benguet Mt. Santo Tomas, 2000 m R. S. Williams 1694 1904-10
Mimosaceae GH: 02253157 Albizia procera (Roxburgh) Bentham Philippines: Benguet Antamok R. S. Williams 1286 1904-7-17
GH: 02253160 Albizia procera (Roxburgh) Bentham Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 726 1904-3-8
GH: 02234073 Archidendron clypearia casai (Blanco) I. C. Nielsen Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 688 1904-3-10
Myrsinaceae GH: 02440858 Ardisia marginata Blume Philippines: Benguet Baguio R. S. Williams 979 1904-10-12
GH: 02441652 Discocalyx philippinensis (A.DC.) Mez Philippines: Bataan Upper Lamao Rit.; Mt. Mariveles R. S. Williams 614 1904-2-24
GH: 02442279 Embelia whitfordii Merr. Philippines: Benguet Baguio R. S. Williams 993 1904-7-24
A: 02443371 Maesa cumingii Mez Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 526 1904-1-20
GH: 02443448 Maesa denticulata Mez Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 530 1904-1-23
GH: 02600129 Myrsine avenis (Blume) A. de Candolle Philippines: Benguet Mount Santo Tomas R. S. Williams 1346 1904-10-28
Myrtaceae GH: 00069636 Eugenia brittoniana C. B. Robinson Philippines: Benguet Bagiuo, Luzon Island R. S. Williams 1464 1904-11-6
Neckeraceae FH: 00213895 Neckera luzonensis R. S. Williams Philippines: Benguet Northern Luzon, Mount Santo Tomas, on trunks... R. S. Williams 1698 1904-10
Oleaceae GH: 02458764 Ligustrum cumingianum Decaisne Philippines: Benguet Mount Santo Tomas R. S. Williams 1544 1904-11-29
Opiliaceae GH: 02296083 Champereia manillana (Blume) Merrill Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 637 1904-2-29
GH: 02296112 Champereia manillana (Blume) Merrill Philippines: Bataan Lamao River, Mt. Mariveles; Central Luzon R. S. Williams 541 1904-1-29
Orchidaceae GH: 02153975 Acoridium cobbianum (Reichenbach f.) Rolfe Philippines: Baguio: [no additional data] R. S. Williams 1938 1904-9-23
AMES: 00000065 Acoridium williamsii Ames Philippines: Benguet Luzon Island, Trinidad R. S. Williams 1939 1904-9-28
GH: 00000066 Acoridium williamsii Ames Philippines: Benguet Luzon Island, Trinidad R. S. Williams 1939 1904-9-28
AMES: 00001062 Acoridium williamsii Ames Philippines: Benguet Luzon Island, Trinidad R. S. Williams 1939 1904-9-28
GH: 00217884 Adenostylis luzonensis Ames Philippines: Benguet Between Baguio and Sablon, northen Luzon R. S. Williams 1924 1904-11
AMES: 02385849 Bulbophyllum dasypetalum Rolfe ex Ames Philippines: Bataan Upper Lamao River, Mt. Mariveles R. S. Williams 429 1904-1-2
GH: 02388528 Cephalantheropsis halconensis (Ames) S. S. Ying Philippines: Baguio: [no additional data] R. S. Williams 1947 1904-10-25
AMES: 02094197 Cestichis forbesii Ames Philippines: Baguio: [no additional data] R. S. Williams 1941 1904-10-9
AMES: 02093510 Coelogyne chloroptera Reichenbach f. Philippines: Baguio: [no additional data] R. S. Williams 1953 1904-11-6
AMES: 00074970 Dendrobium chameleon Ames Philippines: Benguet R. S. Williams 1940 1904-9-30
AMES: 00074969 Dendrobium chameleon Ames Philippines: Benguet R. S. Williams 1940 1904-9-30
AMES: 00090201 Dendrobium multiramosum Ames Philippines: Benguet Kias Hill, Northern Luzon R. S. Williams 1934 1904-9
AMES: 02336875 Dendrobium secundum (Blume) Lindley Philippines: Bataan Lamao River, Mariveles R. S. Williams 765 1904-3-7
AMES: 02153183 Dendrochilum arachnites Reichenbach f. Philippines: Benguet Mount Santo Tomas R. S. Williams 1948 1904-10-29
AMES: 02153240 Dendrochilum cobbianum Reichenbach f. Philippines: Baguio: [no additional data] R. S. Williams 1950 1904-11-8
AMES: 02153238 Dendrochilum cobbianum Reichenbach f. Philippines: Baguio: [no additional data] R. S. Williams 1938 1904-9-23
AMES: 02153510 Dendrochilum latifolium Lindley Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 666 1904-2-24
AMES: 00018840 Dendrochilum longispicatum Ames Philippines: Benguet Baguio, Luzon Island R. S. Williams 1942 1904-10-9
AMES: 02153806 Dendrochilum tenellum (Nees & Meyen) Ames Philippines: Bataan Upper Lamao River, Mt. Mariveles R. S. Williams 427 1904-1-2
AMES: 02153805 Dendrochilum tenellum (Nees & Meyen) Ames Philippines: Bataan Upper Lamao River, Mt. Mariveles R. S. Williams 758 1904-3-24
AMES: 02127365 Eria polyura Lindley Philippines: Bataan Upper Lamao River, Mt. Mariveles R. S. Williams 433 1904-1-2
AMES: 00099884 Habenaria intrudens Ames Philippines: Benguet Baguio, Luzon Island R. S. Williams 1933 1904-10-6
AMES: 01946981 Habenaria malintana (Blanco) Merrill Philippines: Luzon: Between Baguio and Sablan, Prov. Beng... R. S. Williams 1927 1904-11-19
GH: 01945016 Habenaria peloriodes Parish & H. Gustav Reichenbach Philippines: Between Baguio and Sablon, Prov. Benguet, No... R. S. Williams 1927 1904-11-19
GH: 01948834 Herminium lanceum (Thunberg ex Swartz) Vuijk Philippines: Luzon: [no additional data] R. S. Williams 1945 1904-9-11
AMES: 01948826 Herminium lanceum (Thunberg ex Swartz) Vuijk Philippines: Luzon: [no additional data] R. S. Williams 1945 1904-9-11
AMES: 02094197 Liparis bootanensis Griffith Philippines: Baguio: [no additional data] R. S. Williams 1941 1904-10-9
AMES: 02094079 Liparis caespitosa (Thouars) Lindley Philippines: Northern Philippines. Upper Lamao River, Mt.... R. S. Williams 428 1904-1-2
AMES: 02094078 Liparis caespitosa (Thouars) Lindley Philippines: Baguio: [no additional data] R. S. Williams 1954 1904-11-26
AMES: 02094119 Liparis condylobulbon H. G. Reichenbach Philippines: Baguio: [no additional data] R. S. Williams 1946 1904-9-30
AMES: 02094186 Liparis elmeri Ames Philippines: Benguet Mount Santo Tomas R. S. Williams 1928 1904-10-12
GH: 02094181 Liparis elmeri Ames Philippines: Benguet Mount Santo Tomas R. S. Williams 1928 1904-10-12
GH: 02094220 Liparis merrillii (Ames) Schlechter Philippines: Bataan Upper Lamao River R. S. Williams 430 1904-1-3
AMES: 00101775 Malaxis williamsii Ames Philippines: Benguet Baguio, Luzon Island R. S. Williams 1109 1904-6-21
AMES: 00101747 Microstylis quadriloba Ames Philippines: Benguet Baguio, Luzon Island R. S. Williams 1108 1904-6-13
AMES: 01939771 Microtis unifolia (G. Forster) H. G. Reichenbach Philippines: Baguio: [no additional data] R. S. Williams 1935 1904-9-15
GH: 01939767 Microtis unifolia (G. Forster) H. G. Reichenbach Philippines: Baguio: [no additional data] R. S. Williams 1935 1904-9-15
GH: 01945735 Peristylus intrudens (Ames) Ormerod Philippines: Luzon: Baguio Prov. Benguet, Northern Luzon R. S. Williams 1904-10-6
AMES: 01945745 Peristylus monticola (Ridley) Seidenfaden Philippines: Luzon: Baguio, Prov. Benguet R. S. Williams 1904-9-17
AMES: 00102888 Phaius calanthoides Ames Philippines: Benguet Baguio, Luzon Island R. S. Williams 1947 1904-10-25
GH: 02174215 Pholidota imbricata Lindley Philippines: Benguet Twin Peaks R. S. Williams 1956 1904-9-8
AMES: 00103815 Robiquetia vanoverberghii Ames Philippines: Benguet Mount Santo Tomas, Luzon Island R. S. Williams 1952 1904-10-28
AMES: 02329506 Robiquetia vanoverberghii Ames Philippines: Benguet Mount Santo Tomas R. S. Williams 1952 1904-10-28
AMES: 02329507 Robiquetia vanoverberghii Ames Philippines: Benguet Mount Santo Tomas R. S. Williams 1952 1904-10-28
AMES: 02387647 Spathoglottis plicata Blume Philippines: Benguet Between Baguio and Sablon R. S. Williams 1925 1904-11-19
AMES: 00101780 Taeniophyllum compactum Ames Philippines: Benguet Baguio, Luzon Island R. S. Williams 1937 1904-9-15
AMES: 01939531 Thelymitra javanica Blume Philippines: Baguio: [no additional data] R. S. Williams 1944 1904-9-21
GH: 01939528 Thelymitra javanica Blume Philippines: Baguio: [no additional data] R. S. Williams 1944 1904-9-21
AMES: 02550521 Thrixspermum hystrix Reichenbach f. Philippines: Baguio: [no additional data] R. S. Williams 1943 1904-10-9
Orthotrichaceae FH: 01108588 Groutiella goniorrhyncha (Dozy & Molk.) E. B. Bartram Philippines: Benguet Baguio R. S. Williams 1753 1904-11
FH: 00213571 Macromitrium benguetense R. S. Williams Philippines: Benguet Northern Luzon Island, Baguio, 1570 m. R. S. Williams 830 1904-10
FH: 01108588 Macromitrium goniorrhynchum (Dozy & Molk.) Mitten Philippines: Benguet Baguio R. S. Williams 1753 1904-11
FH: 00213671 Macromitrium robinsonii R. S. Williams Philippines: Bataan Central Luzon Island, Upper Lamas River, on ... R. S. Williams 1760 1904-1
Pandanaceae GH: 02457751 Freycinetia williamsii Merrill Philippines: Baguio: [no additional data] R. S. Williams 1013 1904-10-20
Philydraceae AMES: 02090672 Hetaeria oblongifolia Blume Philippines: [no additional data] R. S. Williams 1904-3-4
Phyllanthaceae GH: 02486712 Antidesma edule Merrill Philippines: Benguet Sablan R. S. Williams 1372 1904-11-18
GH: 02490514 Aporosa sphaeridiophora Merrill Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 689 1904-3-10
GH: 02490557 Aporosa symplocifolia Merr. Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 498 1904-3-10
GH: 02490563 Aporosa symplocifolia Merr. Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 697 1904
GH: 02508553 Phyllanthus sp. Philippines: Bataan Mt. Mariveles, Lamao Riv. R. S. Williams 521 1904-1-22
GH: 02508551 Phyllanthus sp. Philippines: Baguio: [no additional data] R. S. Williams 1081 1904-6-13
Piperaceae GH: 01883124 Piper betle Linnaeus Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 511 1904-1-21
Poaceae GH: 02469148 Apluda mutica Linnaeus Philippines: Baguio: [no additional data] R. S. Williams 1190 1904-6-4
GH: 02473341 Aristida cumingiana Trinius & Ruprecht Philippines: Benguet Itogon. R. S. Williams 1965 1904-11-18
GH: 02469245 Capillipedium spicigerum S. T. Blake Philippines: Baguio: [no data available] R. S. Williams 1187 1904-6-13
GH: 02469420 Coix lacryma-jobi Linnaeus Philippines: Baguio: [no additional data] R. S. Williams 1203 1904-5-19
GH: 02472817 Cynodon dactylon (Linnaeus) Persoon Philippines: Baguio: [no additional data] R. S. Williams 1175 1904-5-25
GH: 02469480 Dichanthium sericeum A. Camus Philippines: Benguet Itogon. R. S. Williams 1966 1904-10-18
GH: 02469496 Dimeria ornithopoda Trinius Philippines: Baguio: [no additional data] R. S. Williams 1958 1904-11-25
GH: 02469640 Eulalia sp. Philippines: Baguio: [no additional data] R. S. Williams 1960 1904-11-7
GH: 02469825 Imperata koenigii (Retzius) Beauvais Philippines: Baguio: [no additional data] R. S. Williams 1185 1904-5-25
GH: 02471651 Isachne beneckei Hack. Philippines: Baguio: [no additional data] R. S. Williams 1193 1904-5-25
GH: 02471850 Oplismenus compositus rariflorus (J. Presl) U. Scholz Philippines: Baguio: [no additional data] R. S. Williams 1962 1904-10-27
GH: 02472315 Paspalum orbiculare G. Forster Philippines: Baguio: [no additional data] R. S. Williams 1178 1904-5-25
GH: 02472314 Paspalum orbiculare G. Forster Philippines: Baguio: [no additional data] R. S. Williams 1177 1904-5-25
GH: 02470383 Schizachyrium brevifolium (Swartz) Nees ex Büse Philippines: Benguet Itogon. R. S. Williams 1964 1904-11-18
GH: 02472731 Urochloa fusiformis (Reeder) Veldkamp Philippines: Benguet Kias Hill. R. S. Williams 1963 1904-9-10
Podocarpaceae GH: 02246424 Dacrycarpus imbricatus de Laubenfels Philippines: Benguet Mount Santo Tomas. R. S. Williams 1298 1904-10-12
GH: 02246421 Dacrycarpus imbricatus de Laubenfels Philippines: Benguet Mount Santo Tomas. R. S. Williams 1298 1904-10-12
Proteaceae GH: 02258513 Helicia robusta (Roxburgh) R. Brown ex Wallich Philippines: Bataan Upper Lamao River, Mt. Mariveles R. S. Williams 617 1904-2-23
Pterobryaceae FH: 00060964 Garovaglia luzonensis R. S. Williams Philippines: Benguet Northern Luzon, Baguio, 1570 m, on tree fern... R. S. Williams 1878 1904-9
FH: 00060968 Garovaglia plicata punctidens (R. S. Williams) During Philippines: Benguet Northern Luzon Island, Baguio, on trunks of ... R. S. Williams 3151 1904-11
FH: 00060974 Garovaglia plicata punctidens (R. S. Williams) During Philippines: Benguet Luzon Island, Baguio, on tree trunks. R. S. Williams 3151 1904-11
FH: 00060968 Garovaglia punctidens R. S. Williams Philippines: Benguet Northern Luzon Island, Baguio, on trunks of ... R. S. Williams 3151 1904-11
FH: 00060974 Garovaglia punctidens R. S. Williams Philippines: Benguet Luzon Island, Baguio, on tree trunks. R. S. Williams 3151 1904-11
FH: 00213789 Jaegerinopsis luzonensis R. S. Williams Philippines: Bataan Luzon Island, Upper Lamas River, on trunks o... R. S. Williams 835 1904-3
Ranunculaceae GH: 00038634 Thalictrum philippinense C. B. Robinson Philippines: Benguet Baguio, Northern Luzon Island R. S. Williams 1137 1904-6-22
Rhizophoraceae GH: 02264747 Carallia brachiata (Loureiro) Merrill Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 723 1904-3-7
Rhytidiaceae FH: 00060607 Gollania philippinensis (Brotherus) Noguchi Philippines: Benguet Northern Luzon Island, Baguio, R. S. Williams 1728 1904-9
Rosaceae GH: 00032477 Pygeum glandulosum Merrill Philippines: Bataan Lamao River, Mount Mariveles, Central Luzon ... R. S. Williams 642 1904-3-3
Sematophyllaceae FH: 01142497 Acroporium altopungens (Müller Halle) Brotherus Philippines: Bataan [data not captured] R. S. Williams 1904-1
FH: 01142503 Acroporium brevipes (Brotherus) Brotherus Philippines: Benguet Boguis, Benguet Prov., Luzon R. S. Williams 1904-9
FH: 01142511 Acroporium diminutum (Bridel) M. Fleischer Philippines: Luzon: [data not captured] R. S. Williams 1904-1
FH: 01142515 Acroporium falcifolium (M. Fleischer) M. Fleischer Philippines: Luzon: [data not captured] R. S. Williams 1904-1
FH: 01142497 Acroporium strepsiphyllum (Montagne) B. C. Tan Philippines: Bataan [data not captured] R. S. Williams 1904-1
FH: 01142515 Acroporium strepsiphyllum (Montagne) B. C. Tan Philippines: Luzon: [data not captured] R. S. Williams 1904-1
FH: 00965850 Meiothecium attenuatum Brotherus Philippines: Benguet [data not captured] R. S. Williams 1743 1904-9
FH: 00965912 Sematophyllum caespitosum Mitten Philippines: Benguet [data not captured] R. S. Williams 1732 1904-9
FH: 00965936 Sematophyllum luzonense Brotherus Philippines: Benguet [data not captured] R. S. Williams 1732 1904-9
FH: 00965940 Sematophyllum sp. Philippines: Benguet [data not captured] R. S. Williams 1725 1904-11
Simaroubaceae GH: 02252110 Brucea mollis Wallich ex Kurz Philippines: Bataan Lamao River, Mt. Mariveles. R. S. Williams 500 1904-1-18
Smilacaceae GH: 02325764 Smilax china Linnaeus Philippines: Benguet Mount Santo R. S. Williams 2008 1904-11-29
GH: 02325759 Smilax verruculosa Merrill Philippines: Benguet Baguio R. S. Williams 1046 1904-5-25
Solanaceae GH: 00230164 Solanum nigrum Linnaeus Philippines: Baguio: R. S. Williams 1079 1904-6-4
GH: 00230203 Solanum sp. Philippines: Baguio: R. S. Williams 1149 1904-6-4
Symplocaceae A: 02602567 Symplocos lancifolia Siebold & Zuccarini Philippines: Benguet Baguio R. S. Williams 961 1904-9-21
A: 02602711 Symplocos pendula hirtistylis (C. B. Clarke) Nooteboom Philippines: Bataan Mt. Mariveles R. S. Williams 733 1904-3-22
GH: 02602731 Symplocos polyandra (Blanco) Brand Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 693 1904-3-10
Theaceae GH: 02524137 Adinandra sp. Philippines: Baguio: [no additional data] R. S. Williams 1115 1904-6-29
GH: 02022737 Camellia lanceolata (Blume) Seemann Philippines: Baguio: [no additional data] R. S. Williams 1037 1904-10-16
GH: 02022736 Camellia lanceolata (Blume) Seemann Philippines: Baguio: [no additional data] R. S. Williams 1016 1904-10-26
GH: 02022754 Camellia montana Hung T. Chang & S. X. Ren Philippines: Bataan Upper Lamao River, Mt. Mariveles, Prov. Bata... R. S. Williams 618 1904-2-23
GH: 02456045 Eurya acuminata de Candolle Philippines: Baguio: [No additional data] R. S. Williams 934 1904-6-15
GH: 02294037 Gordonia luzonica Vidal Philippines: Bataan Upper Lamao River, Mt. Mariveles, Prov. Bata... R. S. Williams 747 1904-3-22
Thelypteridaceae GH: 02404797 Macrothelypteris polypodioides (Hooker) Holttum Philippines: Bataan Lamao Riv., Mt. Mariveles R. S. Williams 558 1904-1-20
Thuidiaceae FH: 00220684 Thuidium kiasense R. S. Williams Philippines: Luzon: Kias Hill, Benguet road, northern Luz... R. S. Williams 1834 1904-9
FH: 00220686 Thuidium kiasense R. S. Williams Philippines: Luzon: Kias Hill, Beuguet Road R. S. Williams 1834 1904-9
Verbenaceae GH: 02328579 Callicarpa arborea Roxburgh Philippines: Benguet Baguio R. S. Williams 1003 1904-10-20
GH: 02518809 Premna serratifolia Linnaeus Philippines: Benguet Baguio R. S. Williams 1086 1904-6-10
GH: 02517038 Symphorema luzonicum (Villar) Villar Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 707 1904-3-13
Vitaceae GH: 02329722 Ampelopsis glandulosa brevipedunculata (Maximowicz) Momiyama Philippines: Benguet Loakan R. S. Williams 1034 1904-10-18
GH: 02327838 Cissus adnata Roxburgh Philippines: Baguio: [no additional data] R. S. Williams 1052 1904-6-6
GH: 02327867 Cissus rostrata Korthals ex Planchon Philippines: Bataan Lamao River, Mt. Mariveles, Prov. Bataan, Ce... R. S. Williams 586 1904-1-15
GH: 02325275 Tetrastigma loheri Gagnepain Philippines: Benguet Antamok R. S. Williams 1025 1904-10-22
GH: 02325291 Tetrastigma loheri Gagnepain Philippines: Bataan Lamao River, Mt. Mariveles R. S. Williams 972 1904-1-22