tt ▁Dav y ▁assigned ▁the ▁fine - le aved ▁fel icia ▁to ▁the ▁genus ▁Fel icia , ▁creating ▁the ▁name ▁Fel icia ▁fil ifolia . ▁When ▁in ▁ 1 9 7 3 ▁J ür ke ▁Gra u ▁re vised ▁the ▁genus ▁Fel icia , ▁he ▁distinguished ▁four ▁sub species , ▁and ▁all ▁names ▁above ▁he ▁regarded ▁syn onymous ▁with ▁sub sp . ▁fil ifolia . ▁ ▁In ▁ 1 8 3 1 , ▁De ▁Cand ol le ▁also ▁described ▁F res enia ▁le pt oph yl la ▁based ▁on ▁a ▁collection ▁by ▁Johann ▁Franz ▁Dr ège ▁from ▁the ▁C eder berg . ▁In ▁ 1 9 2 0 , ▁Kurt ▁D inter ▁described ▁a ▁spec imen ▁collected ▁by ▁Fritz ▁Sch ae fer ▁in ▁Nam aland , ▁Nam ib ia , ▁which ▁he ▁called ▁A ster ▁sch ä fer i . ▁In ▁ 1 9 7 3 ▁Gra u ▁dem oted ▁this ▁tax on ▁to ▁the ▁rank ▁of ▁sub species , ▁calling ▁it ▁sub sp . ▁sch ae fer i . ▁ ▁De ▁Cand ol le ▁further ▁described ▁in ▁ 1 8 3 6 ▁D ip lop app us ▁el ong atus , ▁based ▁on ▁a ▁plant ▁collected ▁by ▁Dr ège ▁in ▁the ▁Zu ure ber ge , ▁which ▁was ▁dem oted ▁to ▁D ip lop app us ▁fil if ol ius ▁var . ▁el ong atus ▁by ▁William ▁Henry ▁Har vey ▁in ▁ 1 8 6 5 . ▁In ▁ 1 9 2 4 , ▁Robert ▁Harold ▁Com pton ▁described ▁A ster ▁sch