Records made by Ian Riddell

Records: 84

The following is a list of the records made by Ian Riddell in species name order.

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

NoSpeciesRecord dateRecorder(s)Coll.Det.Conf.HerbariaHabitatLocationLoc code(s) Outing codePlanted code Country QDSGrid ref.FZ DivAlt. (m)NotesLatLongLoc Acc Code
98422Acacia sieberiana var. woodii15 Feb 1982IC Riddell
RB Drummond Open woodland Between the caravan site and the dam wall on North Bank, Lake Chivero. 110Zimbabwe1730D4C1380

-17.87290030.8085005
118884Acacia sieberiana var. woodii31 Dec 2022MA Hyde
IC Riddell
MA Hyde Disturbed ground by pathMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1493

Clear gum oozing from the trunk

-17.83974631.0870027
122212Acacia sieberiana var. woodii18 Jun 2023MA Hyde
M Coates Palgrave
IC Riddell
T Alegria
MA Hyde M Coates Palgrave T Alegria In arboretumPrince Edward School, Harare1,2352Zimbabwe1731C3C1494

This tree was planted on 11 October 1991 by Queen Eliziabeth.

-17.81928331.0370337
102467Ansellia africana25 Jul 2018IC Riddell
IC Riddell C Peter Monavale Vlei, Harare770Zimbabwe1731C3 C1460

ADU OrchidMap record

6
118575Ansellia africana18 Oct 2022MA Hyde
IC Riddell
MA Hyde In sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3 C1508

7
118576Ansellia africana18 Oct 2022MA Hyde
IC Riddell
MA Hyde In sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3 C1497

7
118940Ansellia africana31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3 C1501

Large plant borne on a tree trunk

7
119081Ansellia africana29 Jan 2023MA Hyde
IC Riddell
MA Hyde IC Riddell On a tree trunkMukuvisi Woodland1,20Zimbabwe1731C3 C1485

7
123463Ansellia africana03 Nov 2023MA Hyde
M Coates Palgrave
C Sharp
IC Riddell
K van Laeren
J Van Bel
S Mulunjana
MA Hyde In groundsPedza Pasi Camp, Dande Safari Area2Zimbabwe1530C4 N470

7
122218Anthocleista grandiflora18 Jun 2023MA Hyde
M Coates Palgrave
IC Riddell
T Alegria
MA Hyde M Coates Palgrave T Alegria In arboretumPrince Edward School, Harare1,2352Zimbabwe1731C3C1494

-17.81952631.0371467
118914Aristolochia heppii31 Dec 2022MA Hyde
IC Riddell
MA Hyde In thicker more shaded woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1489

Stems prostrate; in flower

-17.84463931.0826247
118941Aristolochia heppii31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1498

-17.84692231.0897867
118944Aristolochia heppii31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1503

-17.84458331.0875077
118912Asystasia intrusa31 Dec 2022MA Hyde
IC Riddell
MA Hyde In thicker more shaded woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1488

-17.84464731.0825647
118919Asystasia intrusa31 Dec 2022MA Hyde
IC Riddell
MA Hyde Shady riverine woodlandChiraura River, Mukuvisi Woodland1,20Zimbabwe1731C3C1484

-17.84474131.0818067
118928Asystasia intrusa31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1491

-17.84775431.0867357
118933Asystasia intrusa31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1493

Very common in the woodland, especially near paths, perhaps a sign of disturbance.

-17.84882431.0897107
119089Asystasia intrusa29 Jan 2023MA Hyde
IC Riddell
MA Hyde Sandy woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1486

In flower

-17.84778831.0867737
119873Asystasia intrusa12 Mar 2023MA Hyde
IC Riddell
MA Hyde Sandy grasslandMukuvisi Woodland1,20Zimbabwe1731C3C1510

-17.84228331.0920287
118636Bauhinia tomentosa13 Nov 2022MA Hyde
IC Riddell
MA Hyde In woodlandMukuvisi Woodland Office area1,22Zimbabwe1731C3C1491

In yellow flower

-17.83672831.0888147
118911Bidens pilosa31 Dec 2022MA Hyde
IC Riddell
MA Hyde In thicker more shaded woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1490

-17.84479631.0828297
118969Bidens pilosa17 Jan 2023MA Hyde
IC Riddell
MA Hyde RoadsideZimbabwe Phosphate Industry grounds10Zimbabwe1731C3C1537

-17.85575131.1309647
122224Brillantaisia cicatricosa18 Jun 2023MA Hyde
M Coates Palgrave
IC Riddell
T Alegria
MA Hyde M Coates Palgrave T Alegria In arboretumPrince Edward School, Harare1,2352Zimbabwe1731C3C1494

-17.81888931.0369577
107509Cyrtorchis praetermissa subsp. praetermissa13 Oct 2018IC Riddell
IC Riddell BT Wursten In woodlandMukuvisi Woodland, Harare1,20Zimbabwe1731C3 C1500

INaturalist record: https://www.inaturalist.org/observations/17488673

7
107510Cyrtorchis praetermissa subsp. praetermissa14 Nov 2018IC Riddell
IC Riddell BT Wursten In woodlandMukuvisi Woodland, Harare1,20Zimbabwe1731C3 C1500

INaturalist record: https://www.inaturalist.org/observations/18389003

7
107512Cyrtorchis praetermissa subsp. praetermissa03 Dec 2019IC Riddell
IC Riddell BT Wursten Monavale, Harare1,770Zimbabwe1731C3 C1474

INaturalist record: https://www.inaturalist.org/observations/36405595

7
118920Dyschoriste nagchana31 Dec 2022MA Hyde
IC Riddell
MA Hyde Shady riverine woodlandChiraura River, Mukuvisi Woodland1,20Zimbabwe1731C3C1482

-17.84547731.0814617
117351Eichhornia crassipes30 Jan 2021IC Riddell
IC Riddell Crowborough, Harare10Zimbabwe1730D4C1416

iNaturalist record

-17.86006230.9131367
123512Eichhornia crassipes04 Nov 2023MA Hyde
M Coates Palgrave
C Sharp
IC Riddell
K van Laeren
J Van Bel
S Mulunjana
MA Hyde Floating in the Zambezi RiverMupata Gorge, Chewore Safara Area, 5.4 km NW of the Tunsa River mouth590Zimbabwe1530C1N336

-15.63579230.1828677
123517Eichhornia crassipes04 Nov 2023MA Hyde
M Coates Palgrave
C Sharp
IC Riddell
K van Laeren
J Van Bel
S Mulunjana
MA Hyde Edge of riverChewore Safara Area, 0.5 km NE of the Tunsa River mouth590Zimbabwe1530C1N335

-15.66890330.2204507
118628Eulophia streptopetala13 Nov 2022MA Hyde
IC Riddell
MA Hyde In woodlandMukuvisi Woodland1,20Zimbabwe1731C3 C1500

7
118999Euphorbia hirta17 Jan 2023MA Hyde
IC Riddell
MA Hyde On slope or top of hillThe 'red hill', Zimphos Industry grounds10Zimbabwe1731C3C1556

-17.85742731.1246207
119110Euphorbia hirta29 Jan 2023MA Hyde
IC Riddell
MA Hyde In seasonally wet soil over rocksMukuvisi Woodland1,20Zimbabwe1731C3C1496

-17.85100031.0968877
98427Ficus sur15 Feb 1982IC Riddell
RB Drummond Open woodland Between the caravan site and the dam wall on North Bank, Lake Chivero. 110Zimbabwe1730D4C1380

-17.87290030.8085005
123530Ficus sycomorus05 Nov 2023MA Hyde
C Sharp
IC Riddell
MA Hyde In floodplain Faidherbia forestNear Masau Lodge, Kanyemba0Zimbabwe1530C2N327

-15.65743230.3485077
117672Garcinia buchananii25 Sep 2022IC Riddell
MA Hyde Miombo woodland regrowth on ironstone hillSummit ridge, Tree Society Arboretum, Lake Chivero110Zimbabwe1730D4C1452

-17.88588430.7674445
122803Gladiolus dalenii subsp. dalenii16 Jan 2021IC Riddell
IC Riddell In vlei grasslandMonavale Vlei, Harare.1,770Zimbabwe1731C3 C1457

https://www.inaturalist.org/observations/68150811

7
118510Globimetula mweroensis24 Nov 2015IC Riddell
IC Riddell CCH Jongkind Newlands, Harare10Zimbabwe1731C3C1508

Host: Ficus sur. iNaturalist record

-17.81164031.0809637
118520Globimetula mweroensis10 Aug 2018IC Riddell
IC Riddell RH Archer Newlands, Harare10Zimbabwe1731C3C1508

Host: Pyracantha. iNaturalist record

-17.81164031.0809637
118521Globimetula mweroensis27 Apr 2019IC Riddell
IC Riddell CCH Jongkind Chapungu, Harare10Zimbabwe1731C3C1522

Host: Salix. iNaturalist record

-17.84261031.1215387
123953Globimetula mweroensis04 Oct 2022IC Riddell
IC Riddell MA Hyde Newlands, Harare.10Zimbabwe1731C3C1499

Parasite on Populus deltoides. iNaturalist record

-17.81871031.0887627
123955Globimetula mweroensis04 Oct 2022IC Riddell
IC Riddell MA Hyde Newlands, Harare.10Zimbabwe1731C3C1499

Parasite on Fraxinus angustifolia. iNaturalist record

-17.81884631.0888247
123956Globimetula mweroensis04 Oct 2022IC Riddell
IC Riddell MA Hyde Newlands, Harare.10Zimbabwe1731C3C1499

Parasite on Fraxinus angustifolia. iNaturalist record

-17.81884631.0888247
102468Habenaria schimperiana05 Feb 2017IC Riddell
IC Riddell C Peter Monavale Vlei, Harare1,770Zimbabwe1731C3 C1460

ADU OrchidMap record

7
118876Justicia anagalloides31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open ground at edge of woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1502

Flowers white; plant perennial.

-17.83692731.0888587
119839Justicia anagalloides12 Mar 2023MA Hyde
IC Riddell
MA Hyde In woodland Mukuvisi Woodland1,20Zimbabwe1731C3C1489

Patch-forming, low-growing perennial herb with white flowers

-17.83738331.0885577
118916Kedrostis foetidissima31 Dec 2022MA Hyde
IC Riddell
MA Hyde In thicker more shaded woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1487

-17.84450231.0822687
123567Khaya anthotheca05 Nov 2023MA Hyde
C Sharp
IC Riddell
MA Hyde Amongst lodgesNear Masau Lodge, Kanyemba2Zimbabwe1530C2N329

-15.65731630.3482387
118922Lantana camara31 Dec 2022MA Hyde
IC Riddell
MA Hyde Shady riverine woodlandChiraura River, Mukuvisi Woodland1,20Zimbabwe1731C3C1482

White-flowered form

-17.84547731.0814617
118964Lantana camara17 Jan 2023MA Hyde
IC Riddell
MA Hyde RoadsideZimbabwe Phosphate Industry grounds10Zimbabwe1731C3C1537

-17.85575131.1309647
118983Lantana camara17 Jan 2023MA Hyde
IC Riddell
MA Hyde On slope or top of hillThe 'red hill', Zimphos Industry grounds10Zimbabwe1731C3C1552

Flowers white

-17.85782431.1247457
119874Lantana camara12 Mar 2023MA Hyde
IC Riddell
MA Hyde Sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1512

-17.84287131.0918947
122243Markhamia obtusifolia18 Jun 2023MA Hyde
M Coates Palgrave
IC Riddell
T Alegria
MA Hyde M Coates Palgrave T Alegria In arboretumPrince Edward School, Harare1,2352Zimbabwe1731C3C1494

-17.81926331.0373517
123537Momordica charantia05 Nov 2023MA Hyde
C Sharp
IC Riddell
MA Hyde M Coates Palgrave In floodplain Faidherbia forestNear Masau Lodge, Kanyemba0Zimbabwe1530C2N327

-15.65763430.3485877
119843Mukia maderaspatana12 Mar 2023MA Hyde
IC Riddell
MA Hyde Grassland in open woodlandBy the entrance path, Mukuvisi Woodland1,20Zimbabwe1731C3C1489

Leaves not aromatic

-17.83972731.0870227
123488Ochna arenaria03 Nov 2023MA Hyde
M Coates Palgrave
C Sharp
IC Riddell
K van Laeren
J Van Bel
S Mulunjana
MA Hyde M Coates Palgrave WoodlandDande Communal Land, near Kanyemba0Zimbabwe1530C4N387

-15.78066830.3857217
117670Ochna schweinfurthiana15 May 2022MA Hyde
IC Riddell
MA Hyde Sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1495

-17.84574131.0854217
118592Ochna schweinfurthiana18 Oct 2022MA Hyde
IC Riddell
MA Hyde In sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1510

A few remnant flowers; old leaves brown with a yellow midrib.

-17.84584431.0884797
98428Piliostigma thonningii15 Feb 1982IC Riddell
RB Drummond Open woodland Between the caravan site and the dam wall on North Bank, Lake Chivero. 110Zimbabwe1730D4C1380

-17.87290030.8085005
118631Pilostyles aethiopica13 Nov 2022MA Hyde
IC Riddell
MA Hyde In woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1503

Great infestation on the trees

-17.84512331.0877947
118945Pilostyles aethiopica31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1501

On Julbernardia globiflora

-17.84382431.0874397
119126Pilostyles aethiopica29 Jan 2023MA Hyde
IC Riddell
MA Hyde In open sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1508

In full flower; strong red colour and scented.

-17.84622731.0933857
98420Pseudolachnostylis maprouneifolia15 Feb 1982IC Riddell
RB Drummond Open woodland Between the caravan site and the dam wall on North Bank, Lake Chivero. 110Zimbabwe1730D4C1380

-17.87290030.8085005
123481Pseudolachnostylis maprouneifolia03 Nov 2023MA Hyde
M Coates Palgrave
C Sharp
IC Riddell
K van Laeren
J Van Bel
S Mulunjana
MA Hyde WoodlandDande Communal Land, near Kanyemba0Zimbabwe1530C4N390

-15.78975730.3837537
123497Pseudolachnostylis maprouneifolia04 Nov 2023MA Hyde
M Coates Palgrave
C Sharp
IC Riddell
K van Laeren
J Van Bel
S Mulunjana
MA Hyde M Coates Palgrave Open riverine woodland by Zambezi RiverMupata Gorge, Chewore Safara Area, 4.6 km NW of the Tunsa River mouth590Zimbabwe1530C1N327

-15.64354430.1855587
98426Psorospermum febrifugum15 Feb 1982IC Riddell
RB Drummond Open woodland Between the caravan site and the dam wall on North Bank, Lake Chivero. 110Zimbabwe1730D4C1380

-17.87290030.8085005
123466Pteleopsis anisoptera03 Nov 2023MA Hyde
M Coates Palgrave
C Sharp
IC Riddell
K van Laeren
J Van Bel
S Mulunjana
MA Hyde Miombo woodlandDande Safari Area0Zimbabwe1530C4N581

-15.96988130.3263707
118643Rauvolfia caffra13 Nov 2022MA Hyde
IC Riddell
MA Hyde In thick riverine woodland close to the Mukuvisi River. Mukuvisi Woodland1,20Zimbabwe1731C3C1505

The trees look native but the area generally has many weeds and introductions and is very close to houses in the adjacent suburb.

-17.85052931.0972657
122252Rauvolfia caffra18 Jun 2023MA Hyde
M Coates Palgrave
IC Riddell
T Alegria
MA Hyde M Coates Palgrave T Alegria In arboretumPrince Edward School, Harare1,2352Zimbabwe1731C3C1494

-17.81875631.0370467
118965Richardia brasiliensis17 Jan 2023MA Hyde
IC Riddell
MA Hyde RoadsideZimbabwe Phosphate Industry grounds10Zimbabwe1731C3C1537

-17.85575131.1309647
117653Searsia kirkii15 May 2022MA Hyde
IC Riddell
MA Hyde Sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1490

-17.84236731.0863027
118931Searsia kirkii31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1489

-17.84833331.0881337
119865Searsia kirkii12 Mar 2023MA Hyde
IC Riddell
MA Hyde Sandy grasslandMukuvisi Woodland1,20Zimbabwe1731C3C1507

-17.84167331.0904257
118602Solanum campylacanthum 'panduriforme type'18 Oct 2022MA Hyde
IC Riddell
MA Hyde In sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1498

-17.83616631.0905847
118582Sphenostylis erecta subsp. erecta18 Oct 2022MA Hyde
IC Riddell
MA Hyde In sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1499

-17.85077231.0918527
122257Stereospermum kunthianum18 Jun 2023MA Hyde
M Coates Palgrave
IC Riddell
T Alegria
MA Hyde M Coates Palgrave T Alegria In arboretumPrince Edward School, Harare1,2352Zimbabwe1731C3C1494

-17.81952731.0370017
118962Tagetes minuta17 Jan 2023MA Hyde
IC Riddell
MA Hyde RoadsideZimbabwe Phosphate Industry grounds10Zimbabwe1731C3C1537

-17.85575131.1309647
117539Tridactyle tridentata15 May 2022MA Hyde
IC Riddell
MA Hyde Sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3 C1493

7
118627Tridactyle tridentata13 Nov 2022MA Hyde
IC Riddell
MA Hyde In woodlandMukuvisi Woodland1,20Zimbabwe1731C3 C1496

Flowers brown

7
117663Triumfetta dekindtiana15 May 2022MA Hyde
IC Riddell
MA Hyde Sandy miombo woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1492

-17.84375731.0841327
120221Triumfetta dekindtiana29 Mar 2023MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1505

Generally common in the Mukuvisi Woodlands

-17.84436731.0889417
120222Wahlenbergia denticulata29 Mar 2023MA Hyde
IC Riddell
MA Hyde Open sandy woodlandMukuvisi Woodland1,20Zimbabwe1731C3C1504

Multi-stemmed herb; the stems bearing very numerous linear leaves. Corolla lobed down to c. 1/2. Styles 3.

-17.84390731.0891797
118894Wahlenbergia napiformis31 Dec 2022MA Hyde
IC Riddell
MA Hyde Open sandy area in woodlandMukuvisi Woodlands, Harare1,20Zimbabwe1731C3C1493

Just coming into flower

-17.84204531.0860057
119861Wahlenbergia napiformis12 Mar 2023MA Hyde
IC Riddell
MA Hyde Sandy grasslandMukuvisi Woodland1,20Zimbabwe1731C3C1506

Flowering

-17.84179931.0899167




Flora of the Democratic Republic of Congo: Records made by Ian Riddell.
https://www.drcongoflora.com/speciesdata/utilities/utility-display-records-by-person.php?person_id=250, retrieved 18 October 2024

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