Charophyta
Class: Charophyceae
Order: Charales (Stoneworts, Brittleworts)
Family: Characeae
Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
Chara fibrosa brevibracteata | Kasaki (1964) | - | ? | Lake Ikeda, Kagoshima Prefecture, Kyushu, Japan | Extinct if valid | Access |
Chara hakonensis | (H.Kasaki) R.D.Wood (1965) | hakonesyazikumo, Hakone stonewort | 17 July 1957 or later | Lake Ashi (=Ashinoko Lake =Hakone Lake =Asinoko-lake), Hakone area, Kanagawa Prefecture, Honshū, Japan | Extinct | Access |
Chara rohlenae | J.Vilhelm (1912) | - | (rediscovered) | Montenegro & Serbia | Rediscovered | Access |
Nitella flexilis bifurcata | Kasaki (1964) | - | (rediscovered) | Tochigi Prefecture (Lake Chuzenji; Lake Suge-numa; Lake Yuno), Honshu, Japan | Rediscovered | Access |
Nitella furcata fallosa | (H.Morioka) K.Imahori (1954) | - | ? | Japan | Invalid (synonym) | Access |
Nitella graciliens | H.Morioka (1941) | - | (rediscovered) | Lake Ashi (=Ashinoko Lake =Hakone Lake =Asinoko-lake), Hakone area, Kanagawa Prefecture, Honshū, Japan | Rediscovered | Access |
Nitella minispora | K.Imahori & H.Suga (1958) | - | 27 October 1956 or later | Lake Kizaki, Nagano Prefecture, Chūbu region, Honshu, Japan | Extinct or Rediscovered (taxonomically) | Access |
Statistics
Conservation status | Number of taxa (in percentage) |
Extinct | 1 (14.3%) |
Missing | 0 |
Extinct in the Wild | 0 |
Possibly Extinct in the Wild | 0 |
Globally Rediscovered | 3 (42.83%) |
Rediscovered in the Wild | 0 |
Reintroduced | 0 |
Hypothetical | 0 |
Invalid | 1 (14.3%) |
Erroneously listed | 0 |
Uncertain status | 2 (28.57%) |
Total | 7 |