Emilia humifusa var. puberula Humbert (original description)
Gerbera diversifolia var. microphylla Humbert (original description)
Helichrysum adhaerens subsp. delicatissimum Humbert (original description)
Helichrysum adhaerens subsp. intravestitum Humbert (original description)
Helichrysum adhaerens subsp. summijejyanum Humbert (original description)
Helichrysum dracaenifolium subvar. oblanceolatum Humbert (original description)
Helichrysum neoachyroclinoides subvar. incanum Humbert (original description)
Helichrysum neoachyroclinoides subvar. macrocephalum Humbert (original description)
Helichrysum nervicinctum subsp. altijejyanum Humbert (original description)
Helichrysum nervicinctum subsp. megistocephalum Humbert (original description)
Psiadia leucophylla f. abbreviata Humbert (original description)
Psiadia leucophylla subsp. marojejyensis Humbert accepted as Psiadia marojejyensis (Humbert) Humbert (original description)
Senecio hypargyraeus var. alticolus Humbert (original description)
Senecio hypargyraeus var. glabrescens Humbert (original description)
Senecio vittarifolius var. latilimbus Humbert accepted as Senecio marojejyensis var. latilimbus (Humbert) Humbert (original description)
Vernoniopsis caudata subsp. lokohensis Humbert (original description)