Collections made by Jacobsen

Records: 40

The following is a list of the collections made by Jacobsen in species name order. The records are of species which occur in Kenya (either as a native/naturalised species or as a cultivated species).

Click on a column heading to sort the entries in that column

NoSpeciesRecord dateRecorder(s)Coll.Det.Conf.HerbariaHabitatLocationLoc code Outing codePlanted code Country QDSGrid ref.FZ DivAlt. (m)NotesLatLongLoc Acc Code
48910 Adiantum poiretii25 Jan 1967WBG Jacobsen
 WBG Jacobsen 3086 SRGH
 Bridal Veil Falls640Zimbabwe1932D4E1400

0.0000000.0000002
48909 Adiantum poiretii21 Mar 1969WBG Jacobsen
 WBG Jacobsen 3878 SRGH
 Indigenous forest in deep shadeBanti South0Zimbabwe1932B4E1770

Tufted ground fern, 40-45 cms tall

0.0000000.0000002
49732 Amauropelta bergiana var. bergiana23 Jan 1964WBG Jacobsen
 WBG Jacobsen 3063 SRGH
 In deep shady ravineSheba Forest Estate0Zimbabwe1832D4E1800

Erect tufted ground fern

0.0000000.0000002
52110 Ampelopteris prolifera4 Feb 1966WBG Jacobsen
 WBG Jacobsen 3000 SRGH
 Edge of Lutope river, amongst grassSengwa Research station, Kariba0Zimbabwe1828A2N0

0.0000000.0000002
24454 Arthropteris monocarpa21 Mar 1969WBG Jacobsen
 WBG Jacobsen 3876 SRGH
 Shade on forest floor, commonBanti forest, South0Zimbabwe1932B4E1765

0.0000000.0000002
24479 Arthropteris orientalis6 Mar 1969WBG Jacobsen
 WBG Jacobsen 3764 SRGH
 Open grassland amongst rocksInyanga, Nyamziwa falls0Zimbabwe1832B4VQ77-82-E1675

0.0000000.0000002
35217 Asplenium anisophyllum13 Mar 1976WBG Jacobsen
 WBG Jacobsen 3836 SRGH
 Forest path, deep shade. Imbezi forest Est. Zuwane forest, Mutare district.0Zimbabwe1832D3E1570

0.0000000.0000002
35778 Asplenium hypomelas13 Mar 1969WBG Jacobsen
 WBG Jacobsen s.n. SRGH
 Deep shade at bottom end of ravine Imbeza forest reserve, Zuwane forest0Zimbabwe1832D3E1480

0.0000000.0000002
36141 Asplenium protensum21 Mar 1969WBG Jacobsen
 WBG Jacobsen 3866 SRGH
 In shade near stream in forest Banti S0Zimbabwe1932B4E1770

0.0000000.0000002
36239 Asplenium sandersonii21 Mar 1969WBG Jacobsen
 WBG Jacobsen 3877 SRGH
 Epiphyte in shade Banti S0Zimbabwe1932B4E1770

0.0000000.0000002
36337 Asplenium unilaterale24 Mar 1969WBG Jacobsen
 WBG Jacobsen 3893 SRGH
 Near spring Chirinda forest60Zimbabwe2032B3 E1130

 2
53042 Athyrium schimperi6 Mar 1969WBG Jacobsen
 WBG Jacobsen 3763 SRGH
 In open grassland among rocksNyanziwa Falls, on S-side, Nyanga district0Zimbabwe1832B2E1680

Tufted ground fern, 35-40 cm tall

0.0000000.0000002
52115 Christella dentata1 May 1969WBG Jacobsen
 WBG Jacobsen 633 EACLE Schelpe SRGH
 Growing on banks of the Kove river.Sengwa Research Station0Zimbabwe1828A2N0

Very common

0.0000000.0000002
52347 Christella dentata29 Jan 1967WBG Jacobsen
 WBG Jacobsen 3115 SRGH
 Common in deep shadeChirinda forest60Zimbabwe2032B3E1130

Erect, tufted, ground fern, 3-4 feet high

0.0000000.0000002
52669 Christella gueintziana4 Mar 1969WBG Jacobsen
 WBG Jacobsen 3715 SRGH
 Under rock, almost under water.Inyangombe Falls, Nyanga district.54,1540Zimbabwe1832B3E1584

Tufted ground fern, 90 cms tall

0.0000000.0000002
39880 Crepidomanes melanotrichum7 Mar 1969WBG Jacobsen
 WBG Jacobsen 3792 SRGH
 Indigenous forest, under surface of rocks.Road to Mtarazi falls, Inyanga0Zimbabwe1832B4E1463

Rhizomatous fern, forming dense mats - 3-4 cm tall

0.0000000.0000002
39895 Crepidomanes melanotrichum22 Jan 1967WBG Jacobsen
 WBG Jacobsen 3031 SRGH
 Small epiphytic fernBunga forest, Vumba Mountains39,63,1560Zimbabwe1932B2E0

Up to 1 inch

0.0000000.0000002
39896 Crepidomanes melanotrichum22 Jan 1967WBG Jacobsen
 WBG Jacobsen 3044 SRGH
 Lithophytic and gregarious on bouldersForest just below Mountain Lodge Hotel, Vumba63,1560Zimbabwe1932B2E1524

0.0000000.0000002
39944 Crepidomanes melanotrichum28 Jan 1967WBG Jacobsen
 WBG Jacobsen 3094 SRGH
 On rocks near waterfall, forming dense mats on surface of rocksTessa' s pool, Chimanimani0Zimbabwe1932D4VP983146E1130

0.0000000.0000006
22556 Dicranopteris linearis23 Jan 1967WBG Jacobsen
 WBG Jacobsen 3081 SRGH
 Forest edgeMutare, Sheba forest estate on Mozambican border0Zimbabwe1832D4E1735

0.0000000.0000000
49539 Elaphoglossum acrostichoides28 Jan 1967WBG Jacobsen
 WBG Jacobsen 8098 SRGH
 Amongst bouldersTesse Pools, Chimanimani Mountains0Zimbabwe1932D4E0

Erect rhizomatous fern, 12 inches high

0.0000000.0000002
49541 Elaphoglossum acrostichoides5 Mar 1969WBG Jacobsen
 WBG Jacobsen 3747 SRGH
 On streamlet, on rocks, in shadeW side of Inyangani54,1550Zimbabwe1832B4E2255

Rhizomatous lithophyte

0.0000000.0000002
22389 Equisetum ramosissimum subsp. ramosissimum1 May 1969WBG Jacobsen
 WBG Jacobsen 632 SRGH
 Edge of Sengwa River, near mouth of Kove RiverGokwe, Sengwa Resarch station0Zimbabwe1828A1PK29-89-N0

0.0000000.0000000
22439 Histiopteris incisa21 Jan 1967WBG Jacobsen
 WBG Jacobsen 3012 SRGH
 Montane forestVumba, below Mountain Lodge63,1560Zimbabwe1932B2E1615

0.0000000.0000000
40238 Hymenophyllum kuhnii22 Jan 1967WBG Jacobsen
 WBG Jacobsen 3042 SRGH
 Epiphytic with Vittaria isoetifoliaBunga Forest, Vumba39,63,1560Zimbabwe1932B2E1830

(Altitude 1830m?)

0.0000000.0000002
40241 Hymenophyllum kuhnii7 Mar 1969WBG Jacobsen
 WBG Jacobsen 3778 SRGH
 In crack of rock overlooking fallsMtarazi Falls, Inyanga46,1550Zimbabwe1832B4E1370

Lithophytic cryptogamous plant forming entangled masses on rock face. 8-11 cms tall

0.0000000.0000002
52847 Lepisorus excavatus5 Mar 1969WBG Jacobsen
 WBG Jacobsen 3748 SRGH
 Epiphytic, in streamletW side of Inyangani46,540Zimbabwe1832B4E2260

Rhizomatous, epiphytic fern to 20-30 cm tall

0.0000000.0000002
52851 Lepisorus excavatus22 Jan 1967WBG Jacobsen
 WBG Jacobsen 3038 SRGH
 Epiphytic or lithophytic fernBunga forest, Vumba Mountain39,630Zimbabwe1932B2E1830

0.0000000.0000002
52863 Lepisorus excavatus23 Jan 1967WBG Jacobsen
 WBG Jacobsen 3065 SRGH
 Epiphytic on large tree in ravineSheba Forest Estate, Mutare district0Zimbabwe1832D4E0

Epiphytic rhizomatous fern

0.0000000.0000002
22696 Lycopodiella cernua23 Jan 1967WBG Jacobsen
 WBG Jacobsen 3060 SRGH
 Shallow soil on graniteSheba Forest Estate0Zimbabwe1832D4E1795

0.0000000.0000000
22737 Lycopodium clavatum23 Jan 1967WBG Jacobsen
 WBG Jacobsen 3064 SRGH
 In ravineSheba Forest Estate0Zimbabwe1795

0.0000000.0000000
22458 Microlepia speluncae22 Mar 1969WBG Jacobsen
 WBG Jacobsen 3887 SRGH
 Deep shade near streamChimanimani, Cashel, Black Mt. Inn0Zimbabwe1932D2E1125

0.0000000.0000000
24513 Oleandra distenta28 Jan 1967WBG Jacobsen
 WBG Jacobsen 3092 SRGH
 On rocks from cliffsChimanimani, Tessa's pool33,660Zimbabwe1932D4VP983146E1125

0.0000000.0000006
52879 Pleopeltis macrocarpa22 Jan 1967WBG Jacobsen
 WBG Jacobsen 3032 SRGH
 Small lithophyte on granite bouldersForest on Eastern slope of Castle Mountain, Vumba Mts.50,630Zimbabwe1932B1E1830

0.0000000.0000002
52877 Pleopeltis macrocarpa29 Jan 1964WBG Jacobsen
 WBG Jacobsen 3121 SRGH
 Epiphytic on large trees about 100 feet upChirinda forest60Zimbabwe2032B3E1130

0.0000000.0000002
52878 Pleopeltis macrocarpa5 Mar 1969WBG Jacobsen
 WBG Jacobsen 3750 SRGH
 Epiphyte, in streamlet, with Pleopeltis excavataW. side of Inyangani46,540Zimbabwe1832B4E2260

Epiphyte, 10-20 cm tall

0.0000000.0000002
53276 Pteris catoptera7 Mar 1969WBG Jacobsen
 WBG Jacobsen 3795 SRGH
 Indigenous forest, ground fern, 100 cms tall.On road to Mtarazi Falls, Nyanga district.0Zimbabwe1832B4E1460

0.0000000.0000002
41866 Selaginella dregei9 Mar 1969WBG Jacobsen
 WBG Jacobsen 3817 SRGH
 Mossy humid pockets on granite NW side of Mare Dam, Inyanga54,1550Zimbabwe1832B4VQ75-77-E1980

0.0000000.0000005
48705 Tectaria gemmifera13 Mar 1969WBG Jacobsen
 WBG Jacobsen 3844 SRGH
 Common in shade, rhizomatous ground fern up to 5' tallImbeza Forest Reserve, Zuwane Forest0Zimbabwe1832D3E1570

0.0000000.0000002
52529 Thelypteris confluens23 Jan 1967WBG Jacobsen
 WBG Jacobsen 3067 SRGH
 In ravine in open sedge swamp with CyperaceaeSheba Forest Estate, Mutare district0Zimbabwe1832D4E1800

Rhizomatous erect fern

0.0000000.0000002

Copyright: The Kenya flora team, 2026

The Kenya flora team (2026). Flora of Kenya: Collections made by Jacobsen.
https://www.kenyaflora.com/speciesdata/utilities/utility-display-collections-by-person.php?person_id=179, retrieved 13 November 2026

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