Records determined by Ian Riddell

Determinations: 19

The following is a list of the records determined 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
107972Adansonia digitata8 Aug 2019IC Riddell
 IC Riddell Ndowoyo Communal Lands, Chipinge0Zimbabwe2032C2E486

iNaturalist record

-20.56518332.4827026
107973Adansonia digitata8 Jan 2018IC Riddell
 IC Riddell Sango, Save Valley Conservancy0Zimbabwe2032A1E500

iNaturalist record

-20.23915532.2028157
107974Adansonia digitata11 Aug 2014IC Riddell
 IC Riddell Matusadona National Park.1650Zimbabwe1628C4N524

iNaturalist record

-16.96785928.4720907
107975Adansonia digitata1 Sep 1980IC Riddell
 IC Riddell Chizarira National Park1610Zimbabwe1727D2N1042

iNaturalist record

-17.71451427.8700365
112957Afzelia quanzensis8 Aug 2019IC Riddell
 IC Riddell BT Wursten Ndowoyo Communal Lands, Chipinge0Zimbabwe2032C2E0

iNaturalist record

-20.56498032.4828305
112958Afzelia quanzensis12 Jan 2018IC Riddell
 IC Riddell BT Wursten Sango, Save Valley Conservancy0Zimbabwe2032A1S600

iNaturalist record

-20.17303032.1050186
112956Afzelia quanzensis11 Aug 2019IC Riddell
 IC Riddell MA Hyde C. 25 km Southwest of Mutare.0Zimbabwe1932B1E865

iNaturalist record

-19.22151232.5070957
102467Ansellia africana25 Jul 2018IC Riddell
 IC Riddell C Peter Monavale Vlei, Harare770Zimbabwe1731C3 C1460

ADU OrchidMap record

 6
119081Ansellia africana29 Jan 2023MA Hyde
IC Riddell
 MA Hyde IC Riddell On a tree trunkMukuvisi Woodland1,20Zimbabwe1731C3 C1485

 7
122803Gladiolus dalenii subsp. dalenii16 Jan 2021IC Riddell
 IC Riddell In vlei grasslandMonavale Vlei, Harare.1,770Zimbabwe1731C3 C1457

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

 7
116059Hibiscus cannabinus25 Mar 2022IC Riddell
 IC Riddell MA Hyde Monavale Vlei1,770Zimbabwe1731C3C1458

https://www.inaturalist.org/observations/109523824

-17.80761031.0070087
119868Indigofera demissa12 Mar 2023MA Hyde
IC Riddell
 IC Riddell MA Hyde Sandy grasslandMukuvisi Woodland1,20Zimbabwe1731C3C1508

Prostrate perennial; leaves with 3-4 pairs of opposite leaflets plus terminal

-17.84176531.0913727
116061Nymphaea nouchali var. caerulea25 Mar 2022IC Riddell
 IC Riddell In waterMonavale Vlei, Harare1,770Zimbabwe1731C3C1461

iNaturalist record

-17.80576531.0083407
123434Salvinia molesta3 Nov 2023IC Riddell
 IC Riddell In pond in river bedRoad to Masau Lodge, Kanyemba0Zimbabwe1530C2N325

-15.66779130.3550747
119857Sida cordifolia subsp. maculata12 Mar 2023MA Hyde
IC Riddell
 MA Hyde IC Riddell Sandy grasslandMukuvisi Woodland1,20Zimbabwe1731C3C1504

-17.84203931.0893877
112925Trichilia emetica subsp. emetica13 Jan 2018IC Riddell
 IC Riddell BT Wursten Sango, Save Valley Conservancy0Zimbabwe2032A1S581

-20.242708Lon:

-20.24270832.0321506
112924Trichilia emetica subsp. emetica21 Sep 2018IC Riddell
 IC Riddell BT Wursten Mana Pools National Park590Zimbabwe1529C4N365

iNaturalist record

-15.77257229.2703847
112923Trichilia emetica subsp. emetica4 Nov 2019IC Riddell
 IC Riddell BT Wursten Chizarira National Park1610Zimbabwe1727D1N653

iNaturalist record

-17.67905027.7021456
119309Triumfetta annua12 Mar 2023MA Hyde
IC Riddell
 IC Riddell MA Hyde In disturbed ground in the garden.5, Leeds Close, Newlands10Zimbabwe1731C3C1506

Specimen checked, not kept.

-17.81148531.0810646

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-25

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2025). Flora of Caprivi: Records determined by Ian Riddell.
https://www.capriviflora.com/speciesdata/utilities/utility-display-determinations-by-person.php?person_id=250, retrieved 5 December 2025

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