Collector's name: Jansen, J.W.A.

72 documents

(Only databased specimens here, not the full collections)

Export page data Sort by Order

[1]
ISONÉOTYPE Trichoscypha liberica Engl.

MNHN-P-P00364040 Herbier
Liberia (LR)
- 18 miles S. of Tchien. Hilly area. Hight forest.
Jansen, J.W.A. 2151
[2]
ISOTYPE Trichoscypha barbata Breteler

MNHN-P-P00364057 Herbier
Liberia (LR)
- 18 miles S. of Tchien. Hilly area. Hight forest.
Jansen, J.W.A. 2150
[3]
Millettia thonningii (Schumach. & Thonn.) Baker

MNHN-P-P00792888 Fruits / graines
Togo (TG)
- 7 km. E. of Lomé
Jansen, J.W.A. 2646
[4]
Millettia thonningii (Schumach. & Thonn.) Baker

MNHN-P-P00792889 Fruits / graines
Togo (TG)
- Asrama, 30 km. E. of Nuatja
Jansen, J.W.A. 2656
[5]
Millettia zechiana Harms

MNHN-P-P00792890 Fruits / graines
Liberia (LR)
- Ganta, foresthouse, near Methodist Mission
Jansen, J.W.A. 1378
[6]
Hybanthus enneaspermus (L.) F.Muell.

MNHN-P-P00631498 Herbier
Libéria (LR)
- 1 mile W. of Harper, along the road to fishtown, coastal savanna
Jansen, J.W.A. 2442
[7]
Craterispermum laurinum (Poir.) Benth.

MNHN-P-P00612688 Herbier
Collection WAG
Libéria (LR)
- 16 miles N. of Monrovia. Arboretum area, secondary forest.
Jansen, J.W.A. 1037
[8]
Solanum torvum Sw.

MNHN-P-P00341091 Herbier
Collection WAG
Liberia (LR)
- Liberia : about 30 miles from Tapita, along the road to Chien
Jansen, J.W.A. 914
[9]
Stipa tenacissima L.

MNHN-P-P02608737 Herbier
Collection Herbarium Vadense
Tunisie (TN)
- Tunisia. 5 km N of Hammamet
Jansen, J.W.A. 205
[10]
Hedera helix L.

MNHN-P-P02519067 Herbier
Tunisie (TN)
- Tunisia. Forêt du Feidja, 20 km W of Ghardimaou, bank of a brook, height : 800 m
Jansen, J.W.A.
[11]
Nigella damascena L.

MNHN-P-P02819055 Herbier
Tunisie (TN)
- 4 km N of Tunis
Jansen, J.W.A. 421
[12]
Berlinia tomentella Keay

MNHN-P-P00212051 Herbier
Liberia (LR)
- 8 miles W. of Kakata, along the road to St. Pauls River
Jansen, J.W.A. 1939
[13]
Berlinia confusa Hoyle

MNHN-P-P00212063 Herbier
Collection WAG
Liberia (LR)
- Ganta, 160 miles N Monrovia
Jansen, J.W.A. 1356
[14]
Berlinia tomentella Keay

MNHN-P-P00212094 Herbier
Collection WAG
Libéria (LR)
- 5 miles N Bendu
Jansen, J.W.A. 969
[15]
Guibourtia dinklagei (Harms) J.Léonard

MNHN-P-P00252990 Herbier
Liberia (LR)
- UL New Site, 16 mi. Monrovia
Jansen, J.W.A. 2356
[16]
Stylosanthes erecta P.Beauv.

MNHN-P-P00206233 Herbier
Collection WAG
Libéria (LR)
- Near Elwa radio station
Jansen, J.W.A. 2344
[17]
Nerium oleander L.

MNHN-P-P03856482 Herbier
Tunisie (TN)
- 6 km S of Tabarka dry part of the streambed of a brook, shingle and sand 25 m above sea-level
Jansen, J.W.A.
[18]
Wahlenbergia sp.

MNHN-P-P03595104 Herbier
Collection WAG
Liberia
- 2 miles S of Ganta, along the road to Guinea
Jansen, J.W.A. 1409
[19]
Wahlenbergia sp.

MNHN-P-P03595105 Herbier
Collection WAG
Liberia
- Sinoe to port, coastal savanna, along road, near small town
Jansen, J.W.A. 1126
[20]
Millettia thonningii (Schumach. & Thonn.) Baker

MNHN-P-P03662059 Herbier
Togo (TG)
- 7 km. E. of Lomé
Jansen, J.W.A. 2646
[21]
Millettia thonningii (Schumach. & Thonn.) Baker

MNHN-P-P03662060 Herbier
Togo (TG)
- Asrama, 30 km. E. of Nuatja
Jansen, J.W.A. 2656
[22]
Cynometra leonensis Hutch. & Dalziel

MNHN-P-P03493872 Herbier
Collection WAG
Liberia
- 20 miles on the road from Monrovia to Boni Hills, near second railway crossing
Jansen, J.W.A. 1021
[23]
Millettia zechiana Harms

MNHN-P-P03127410 Herbier
Liberia (LR)
- Ganta, foresthouse, near Methodist Mission
Jansen, J.W.A. 1378
[24]
Elephantopus mollis Kunth

MNHN-P-P00103509 Herbier
Liberia (LR)
- Mimtimber exploitation, 10 miles NW of Chien
Jansen, J.W.A. 1268
[25]
Elephantopus spicatus B.Juss. ex Aubl.

MNHN-P-P00103510 Herbier
Liberia (LR)
- Along the_road from Tchien to Tappita about 2 miles from Tchien
Jansen, J.W.A. 1263
[26]
Vernonia stellulifera (Benth.) C.Jeffrey

MNHN-P-P00103582 Herbier
Liberia (LR)
- 20 miles W. of Chien, along the road to Tappita. In secondary low __bush.
Jansen, J.W.A. 1310
[27]
Gymnanthemum coloratum (Willd.) H.Rob. & B.Kahn

MNHN-P-P00103583 Herbier
Liberia (LR)
- E. of Ganta, along the road to Buchanan.
Jansen, J.W.A. 1401
[28]
Aspilia africana (Pers.) C.D.Adams

MNHN-P-P00103587 Herbier
Liberia (LR)
- About 27 km. W. of Tapita, along road.
Jansen, J.W.A. 909
[29]
Emilia coccinea (Sims) G.Don

MNHN-P-P00103588 Herbier
Liberia (LR)
- 20 miles N.of Haeper, secondary forest. Lateritic soil.Along sec. road.
Jansen, J.W.A. 2470
[30]
Ageratum conyzoides (L.) L.

MNHN-P-P00103589 Herbier
Liberia (LR)
- 20 miles N.of Harper. secondary forest,lateritic soil, along sec.___road.
Jansen, J.W.A. 2471
[31]
Emilia coccinea (Sims) G.Don

MNHN-P-P00103591 Herbier
Liberia (LR)
- 1 mile from Voinjama, along the road to Laoulazu. Secondary forest._In roadside.
Jansen, J.W.A. 2023
[32]
Melanthera scandens (Schumach. & Thonn.) Roberty

MNHN-P-P00103592 Herbier
Liberia (LR)
- 1 mile from Voinjama, along the road to Laoulazu.Low border vegeta_ tion.Sandy soil. In swampy area
Jansen, J.W.A. 2039
[33]
Tieghemella heckelii Pierre ex A.Chev.

MNHN-P-P00106247 Herbier
Collection WAG
Liberia (LR)
- Along road to Sinoe, about 15 miles S. of Tchien. In exploitation area
Jansen, J.W.A. 1338
[34]
Gymnanthemum coloratum (Willd.) H.Rob. & B.Kahn

MNHN-P-P00095904 Herbier
Liberia (LR)
- Mimtimber exploitation, 10 miles NW of Chien
Jansen, J.W.A. 1264
[35]
Microglossa pyrifolia (Lam.) O.Kuntze

MNHN-P-P00132034 Herbier
Liberia (LR)
- New-Site,along road.
Jansen, J.W.A. 779
[36]
Mikania cordata (Burm.f.) B.L.Rob.

MNHN-P-P00132035 Herbier
Liberia (LR)
- 5 miles N. of Bomi Hills, hilly area. Old secondary forest.
Jansen, J.W.A. 2277
[37]
Microglossa pyrifolia (Lam.) O.Kuntze

MNHN-P-P00132036 Herbier
Liberia (LR)
- 1mile from Voinjama, along the road to Laoulazu. Low border vegeta- tion Sandy-loamy soil. In roadside.
Jansen, J.W.A. 2048
[38]
Aspilia africana (Pers.) C.D.Adams var. ambigua C.D. Adams

MNHN-P-P00132037 Herbier
Liberia (LR)
- New site, along road.
Jansen, J.W.A. 772
[39]
Elephantopus mollis Kunth

MNHN-P-P00132038 Herbier
Liberia (LR)
- 10 miles E. of Tapita, along the road to Chien-
Jansen, J.W.A. 820
[40]
Emilia javanica (Burm.f.) C.B.Rob.

MNHN-P-P00132040 Herbier
Liberia (LR)
- About 27 km. of tapita, along road.
Jansen, J.W.A. 907
[41]
Brenandendron donianum (DC.) H.Rob.

MNHN-P-P00132084 Herbier
Liberia (LR)
- 22 miles N. of Buchanan,along road in secondary forest.
Jansen, J.W.A. 1854
[42]
Vernonia stellulifera (Benth.) C.Jeffrey

MNHN-P-P00132235 Herbier
Liberia (LR)
- 1 mile from Voinjama, along the road to Laoulazu. Low border végéta-tion Sandy-loamy soil. In roadside.
Jansen, J.W.A. 2040
[43]
Launaea taraxacifolia (Willd.) Amin ex C.Jeffrey

MNHN-P-P00132239 Herbier
Togo (TG)
- 8 km. NW of Lomé, cultivated area, sandy lateritic soil.
Jansen, J.W.A. 2625
[44]
Vitex grandifolia Gürke

MNHN-P-P00486881 Herbier
Collection WAG
Liberia (LR)
- 18 miles N. of Sinoe
Jansen, J.W.A. 1073
[45]
Vitex grandifolia Gürke

MNHN-P-P00486882 Herbier
Collection WAG
Liberia (LR)
- 7 miles N. of Morovia
Jansen, J.W.A. 2341
[46]
Mesanthemum radicans (Benth.) Körn.

MNHN-P-P00443088 Herbier
Collection WAG
Liberia (LR)
- 4 miles N. of Monrovia,
Jansen, J.W.A. 2294
[47]
Mesanthemum radicans (Benth.) Körn.

MNHN-P-P00443089 Herbier
Collection WAG
Liberia (LR)
- About 10 miles S. of Monrovia, division 33, near school
Jansen, J.W.A. 2330
[48]
Mesanthemum radicans (Benth.) Körn.

MNHN-P-P00443090 Herbier
Collection WAG
Liberia (LR)
- N. of Monrovia, about 10 miles
Jansen, J.W.A. 1590
[49]
Euphorbia trinervia Schumach. & Thonn.

MNHN-P-P00576785 Herbier
Collection WAG
Liberia (LR)
- Sinoe
Jansen, J.W.A. 1165
[50]
Euphorbia trinervia Schumach. & Thonn.

MNHN-P-P00576786 Herbier
Liberia (LR)
- Cavalla River
Jansen, J.W.A. 2542
[51]
Triplochiton scleroxylon K.Schum.

MNHN-P-P00532641 Herbier
Collection WAG
Liberia
- 10 miles N. of Tapita, in Gio Natinal Forest
Jansen, J.W.A. 1773
[52]
Carapa procera DC.

MNHN-P-P00527108 Herbier
Liberia (LR)
- Bomi Hill
Jansen, J.W.A. 2223
[53]
Gilbertiodendron preussii (Harms) J.Léonard

MNHN-P-P00527551 Herbier
Collection WAG
Liberia
- 15 miles E. of Kakata, along the road to Bolola
Jansen, J.W.A. 1640
[54]
Gambeya subnuda (Baker) Pierre

MNHN-P-P00527964 Herbier
Collection P
Liberia
- 10 miles NW of Zwedru, on hilly place
Jansen, J.W.A. 2070
[55]
Chazaliella cupulicalyx Verdc.

MNHN-P-P00300386 Herbier
Liberia (LR)
- 10 miles SE Kakata
Jansen, J.W.A. 1922
[56]
Alectra sessiliflora (Valh) Kuntze

MNHN-P-P00273261 Herbier
Liberia (LR)
- Liberia : 2 miles W of Ganta, along the road to Guinea
Jansen, J.W.A. 1410
[57]
Diaphananthe bidens (Afzel. ex Sw.) Schltr.

MNHN-P-P00383524 Herbier
Collection WAG
Liberia (LR)
- 7 miles from Voinjama, along the road to Kolahun
Jansen, J.W.A. 1979
[58]
Schwenckia americana D.Royen ex L.

MNHN-P-P00326732 Herbier
Collection WAG
Liberia (LR)
- 7 miles N of Monrovia
Jansen, J.W.A. 2340
[59]
Schwenckia americana D.Royen ex L.

MNHN-P-P00326733 Herbier
Collection WAG
Liberia (LR)
- Bomi Hills
Jansen, J.W.A. 1446
[60]
Physalis angulata L.

MNHN-P-P00330397 Herbier
Collection WAG
Libéria (LR)
- Libéria : near Since, along beach
Jansen, J.W.A. 1158
[61]
Physalis angulata L.

MNHN-P-P00330398 Herbier
Collection WAG
Libéria (LR)
- Libéria : 3 miles W of Tapita, along the road to Ganta
Jansen, J.W.A. 858
[62]
Solanum verbascifolium L.

MNHN-P-P00330889 Herbier
Collection WAG
Liberia (LR)
- 2 miles from Voinjama, along the road to Kolahun
Jansen, J.W.A. 1962
[63]
Lycopersicon esculentum Mill.

MNHN-P-P00343709 Herbier
Collection WAG
Liberia (LR)
- 10 miles S of Ganta, along the road to Nbargna
Jansen, J.W.A. 1414
[64]
Solanum scabrum Mill.

MNHN-P-P00344684 Herbier
Collection WAG
Liberia (LR)
- 7 miles along the road to Wologesi
Jansen, J.W.A. 2015
[65]
Gaertnera monticola Jongkind

MNHN-P-P00604152 Herbier
Liberia (LR)
- Bomi Hills
Jansen, J.W.A. 1515
[66]
Chlorophytum alismifolium Baker

MNHN-P-P02058581 Herbier
Libéria (LR)
- Division 33, Firestone plantations. 10 miles S. of Kakata.
Jansen, J.W.A.
[67]
Gloriosa superba L.

MNHN-P-P02104320 Herbier
Libéria (LR)
- Bendu village
Jansen, J.W.A.
[68]
Gloriosa superba L.

MNHN-P-P02104321 Herbier
Libéria (LR)
- Liberia. 5 miles E. of Tapita, along the road to Chien.
Jansen, J.W.A.
[69]
Silene nicaeensis All.

MNHN-P-P05033987 Herbier
Tunisie (TN)
- Tunisia. 1 km. E. of Tabarka. Dunes, 3-4 high.
Jansen, J.W.A. 405
[70]
Cleome viscosa L.

MNHN-P-P05345038 Herbier
Togo (TG)
- Togo. 7 km. E. of Lomé, in roadside. Ruderal vegetation, sandy soil. Coconut plantation, about 500 m. from seashore.
Jansen, J.W.A.
[71]
Phytolacca dodecandra L'Hér.

MNHN-P-P04621465 Herbier
Libéria (LR)
- LIBERIA. Place, 20 miles W. of Bomi Hills, road to Mano.
Jansen, J.W.A.
[72]
Phytolacca dodecandra L'Hér.

MNHN-P-P04621467 Herbier
Libéria (LR)
- Liberia. About 7 miles along the road to Wologesi.
Jansen, J.W.A.