Crassula natans var. minus (Crassulaceae) a new trans-Tasman natural weed arrival to northern New Zealand

References

• de Lange , PJ . 1997 . Gratiola pedunculata (Scrophulariacae): a new addition to the New Zealand flora . New Zealand Journal of Botany , 35 : 317 – 322 .
   Web of Science ®Google Scholar
• de Lange , PJ , de Lange , TJP and de Lange , FJT . 2005 . New exotic plant records, and range extensions for naturalised plants, in the northern North Island, New Zealand . Auckland Botanical Society Journal , 60 : 130 – 147 .
   Google Scholar
• de Lange , PJ , Heenan , PB , Keeling , DJ , Murray , BG , Smissen , R and Sykes , WR . 2008 . Biosystematics and conservation: a case study with two enigmatic and uncommon species of Crassula from New Zealand . Annals of Botany , 101 : 881 – 899 .
   PubMed Web of Science ®Google Scholar
• de Lange PJ , Heenan PB , Norton DA , Rolfe JR , Sawyer JWD 2010 . Threatened plants of New Zealand . Christchurch, Canterbury University Press .
   Google Scholar
• de Lange , PJ , Norton , DA , Courtney , SP , Heenan , PB , Barkla , JW , Cameron , EK , Hitchmough , R and Townsend , AJ . 2009 . Threatened and uncommon plants of New Zealand (1998 revision) . New Zealand Journal of Botany , 47 : 61 – 96 .
   Web of Science ®Google Scholar
• Green PS 1994 . Flora of Australia. Volume 49. Oceanic Islands 1. Canberra, Australian Government Publishing Service .
   Google Scholar
• Heenan , PB and de Lange , PJ . 2004 . Alternanthera denticulata (Amaranthaceae) in New Zealand: a new addition to the indigenous or naturalised flora? . New Zealand Journal of Botany , 42 : 739 – 745 .
   Web of Science ®Google Scholar
• Heenan , PB , de Lange , PJ , Cameron , EK and Champion , PD . 2002 . Checklist of dicotyledons, gymnosperms, and pteridophytes naturalised or casual in New Zealand: additional records 1999–2000 . New Zealand Journal of Botany , 40 : 155 – 174 .
   Web of Science ®Google Scholar
• Heenan , PB , de Lange , PJ , Cameron , EK and Parris , BS . 2008 . Checklist of dicotyledons, gymnosperms, and pteridophytes naturalised or casual in New Zealand: additional records 2004–06 . New Zealand Journal of Botany , 46 : 257 – 283 .
   Web of Science ®Google Scholar
• Heenan , PB , de Lange , PJ and Keeling , JK . 2009 . Alternanthera nahui – a new species of Amaranthaceae indigenous to New Zealand . New Zealand Journal of Botany , 47 : 97 – 105 .
   Web of Science ®Google Scholar
• Heenan , PB , de Lange , PJ , Rance , BD , Sykes , WR , Meurk , CD and Korver , MA . 2009 . Additional records of indigenous and naturalised plants and observations on the distribution of Gunnera tinctoria on Stewart Island, New Zealand . New Zealand Journal of Botany , 47 : 1 – 7 .
   Web of Science ®Google Scholar
• Miskelly , CM , Dowding , JE , Elliot , GP , Hitchmough , RA , Powlesland , RG , Robertson , HA , Sagar , PM , Scofield , RP and Taylor , GA . 2008 . Conservation status of New Zealand birds, 2008 . Notornis , 55 : 117 – 135 .
   Google Scholar
• Sykes , WR . 2005 . Notes on Euphorbia and Crassula with a revised key to the latter wild in New Zealand . New Zealand Botanical Society Newsletter , 79 : 8 – 16 .
   Google Scholar
• Toelken HR 1977 . A revision of the genus Crassula in southern Africa. Contributions of the Bolus Herbarium 8 . Bolus Herbarium, University of Cape Town, Republic of South Africa .
   Google Scholar
• Toelken , HR . 1981 . The species of Crassula L. in Australia . Journal of the Adelaide Botanic Gardens , 3 : 57 – 90 .
   Google Scholar
• Toelken HR , Jeanes JA , Stajsic V 1996 . Crassula . In : Walsh NG , Entwisle TJ Flora of Victoria. Volume 3. Melbourne, Inkata Press . Pp. 542 – 551 .
   Google Scholar
• Webb CJ , Sykes WR , Garnock-Jones PJ 1988 . Flora of New Zealand . Vol. IV. Christchurch, Botany Division, DSIR .
   Google Scholar