JSTOR

Isotype of Aeschynomene afraspera J.Leonard [family LEGUMINOSAE-PAPILIONACEAE] Aeschynomene afraspera Callens H., #3368 1952-02-15 Congo, the Democratic Republic of the

Paratype of Beilschmiedia donisii Robyns & R.Wilczek [family LAURACEAE] Beilschmiedia donisii Donis C., #1963 1948-08-05 Congo, the Democratic Republic of the

Type of Beilschmiedia variabilis Robyns & R.Wilczek [family LAURACEAE] Beilschmiedia variabilis Louis J., #7565 1938-01-01 Congo, the Democratic Republic of the

Isotype of Crotalaria callensii R.Wilczek [family LEGUMINOSAE-PAPILIONACEAE] Crotalaria callensii Callens H., #2387 1950-02-21 Unknown

Isotype of Crotalaria kambanguensis R.Wilczek [family LEGUMINOSAE-PAPILIONACEAE] Callens H., #3259 1952-02-11 Congo, the Democratic Republic of the

Isotype of Crotalaria kasaiensis R.Wilczek [family LEGUMINOSAE-PAPILIONACEAE] Callens H., #2485 1950-02-08 Congo, the Democratic Republic of the

Isotype of Crotalaria kwengeensis R.Wilczek var. parviflora Polhill [family LEGUMINOSAE-PAPILIONACEAE] Callens H., #3712 1953-04-22 Congo, the Democratic Republic of the

Isotype of Crotalaria renieriana R.Wilczek [family LEGUMINOSAE-PAPILIONACEAE] Callens H., #2303 1950-02-09 Congo, the Democratic Republic of the

Isotype of Dolichos kasaiensis R.Wilczek [family LEGUMINOSAE-PAPILIONACEAE] Macrotyloma rupestre Callens H., #3696 1953-04-22 Congo, the Democratic Republic of the

Isotype of Eriosema kwangoense Hauman [family LEGUMINOSAE-PAPILIONACEAE] Eriosema kwangoense Callens H., #3278 1952-02-12 Congo, the Democratic Republic of the

Isotype of Eriosema longiunguiculatum Hauman [family LEGUMINOSAE-PAPILIONACEAE] Eriosema longiunguiculatum Callens H., #3262 1952-02-02 Congo, the Democratic Republic of the

Type of Heeria kwangoensis Van der Veken [family ANACARDIACEAE] Ozoroa kwangoensis Callens H., #2450 1950-02-08 Congo, the Democratic Republic of the

Isotype of Impatiens kwengeensis R.Wilczek & G.M.Schulze [family BALSAMINACEAE] Callens H., #3157 1952-02-08 Congo, the Democratic Republic of the

Isotype of Lippia callensii Moldenke [family VERBENACEAE] Lippia callensii Callens H., #2275 1950-02-08 Congo, the Democratic Republic of the

Isotype of Macrotyloma kasaiense (R.Wilczek) Verdc. [family LEGUMINOSAE-PAPILIONACEAE] Macrotyloma rupestre Callens H., #3696 1953-04-22 Unknown

Isotype of Oxygonum callensii Robyns & E.Petit [family POLYGONACEAE] Oxygonum fruticosum Callens H., #1919 1953-04-21 Congo, the Democratic Republic of the

Isotype of Oxygonum callensii Robyns & E.Petit [family POLYGONACEAE] Oxygonum fruticosum Callens H., #1919 1953-04-21 Congo, the Democratic Republic of the

Isotype of Oxygonum ovalifolium Robyns & E.Petit [family POLYGONACEAE] Oxygonum ovalifolium Callens H., #2736 1950-04-15 Unknown

Isotype of Pasaccardoa jeffreyi Wild subsp. kasaiensis Lisowski [family COMPOSITAE] Pasaccardoa jeffreyi kasaiensis Callens H., #3264 1952-02-02 Congo, the Democratic Republic of the

Isotype of Psychotria callensii E.M.A.Petit [family RUBIACEAE] Callens H., #3570 1952-02-22 Congo, the Democratic Republic of the