Dudleya traskiae (Rose) Moran (1942:153)
Santa Barbara Island liveforever
Taxonomy & Nomenclature
Synonyms: Stylophyllum traskiae Rose in Bull. New York Bot. Gard. 3: 34 (1903); Echeveria traskiae (Rose) A.Berger in H.G.A.Engler, Nat. Pflanzenfam., ed. 2. 18a: 480 (1930)
Conservation Status
Last wild record: 1968 (Ripley, 1975:42)
Rediscovered in the wild 1975 (Moran, 1978)
It was last recorded in the wild in 1968 (Ripley, 1975:42 [as "PoEx"]), thought to be Extinct in 1969 (Philbrick, 1972 fide Philbrick, 1980), and later considered possibly Extinct (Ripley, 1975:42 [as "PoEx"]), prior to rediscovery in 1975 (Moran, 1978).
Distribution
Santa Barbara Island, Channel Islands, California, USA
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Britton, N. L. and Rose, J. N. (1903). New and Noteworthy North American Crassulaceae. Bulletin of the New York Botanical Garden 3: 34.
Other references:
Clark, R. A. and Halvorson, W. L. (1989). Status of the endangered and rare plants on Santa Barbara Island Channel Islands National Park Endangered Plant Program, Natural Heritage Division, California Department of Fish and Game.
Dunkle, M. B. (1950). Plant Ecology of the Channel Islands of California. Allen Hancock Pacific Expeditions, 13(3): 247-386, Los Angeles, CA: University of Southern California Press.
Flora of North America Editorial Committee. (2009). Flora of North America North of Mexico 8: 1-585. Oxford University Press, New York, Oxford.
Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141.
Junak, Steve, Philbrick, Ralph and Drost, Charles. (1993). A revised flora of Santa Barbara Island, pp. 55-97. In: Daily, Marla (ed.). Santa Barbara Island. Occasional Paper Number 6 Santa Cruz Island Foundation: Santa Barbara, CA. 112 pp.
Lucas, Gren L. l. and Synge, Hugh. (compilers). (1978). The IUCN Plant Red Data Book. Morges, Switzerland: IUCN.
Moran, Reid Venable. (1942). A Revision of Dudleya, Subgenus Stylophyllum - II. Desert Plant Life 14: 153.
Moran, Reid Venable. (1951). A Revision of Dudleya. Ph.D. Dissertation, Berkeley, CA: University of California.
Moran, Reid Venable. (1978). Resurrection of Dudleya traskiae. Fremontia 5(4): 37-38.
Philbrick, Ralph N. (1972). The plants of Santa Barbara Island, California. Madroiio 21: 329-393.
Philbrick, Ralph N.. (1980). Distribution and Evolution of Endemic Plants of the California Islands, pp. 173-187. In: Power, D. M. (ed.). California Islands proceedings. A multidisciplinary symposium. Santa Barbara: Santa Barbara Museum of Natural History.
Ripley, S. Dillon. (1975). Report on endangered and threatened species of the United States. House Document 94-51: 1-200 [42].
Smith, James Payne, Jnr. (ed.) and York, Richard (DEM). (1984). Inventory of rare and endangered vascular plants of California. Special Publication No. 1 (3rd edition). Berkeley, California: California Native Plant Society. xviii + 174 pp.
https://en.wikipedia.org/wiki/Dudleya_traskiae