Chorizanthe robusta var. robusta - Earth.com
chorizanthe robusta var robusta
12-22-2016

Chorizanthe robusta var. robusta

Chorizanthe robusta var. robusta NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports — Chorizanthe robusta var. robusta ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.Chorizanthe robusta is variable in form, growing decumbent or erect and reaching a maximum length of half a meter. It is grayish in color and hairy. The inflorescence is made up of several flowers with each flower surrounded by white or pink bracts with hooked tips. The flower itself is just a few millimeters long and white to pink in color.

FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. You can change the display of the base map and layers by clicking on the layer control box in the upper right-hand corner. 2. California county polygons can be turned off and on in the layer control box. 3.

It is composed of two varieties:

  • var. robusta, known generally as the robust spineflower, which is known only from southern Santa Cruz and Monterey Counties,
  • var. hartwegii, the Scotts Valley spineflower, which is known from a few locations in Scotts Valley in Santa Cruz County.

The plant is closely related to Chorizanthe pungens, another rare endemic from the area.

Detailed information
Full Name: Robust spineflower (Chorizanthe robusta var. robusta)
Where found: Wherever found
Critical Habitat:N/A
Species Group:Flowering Plants
Current listing status
Status Date Listed Lead Region Where Listed
Endangered 02/04/1994 California/Nevada Region (Region 8) Wherever found
  • States/US Territories in which the Robust spineflower, Wherever found is known to or is believed to occur: California
  • US Counties in which the Robust spineflower, Wherever found is known to or is believed to occur: View All
Federal register documents
Date
Citation Page
Title
05/21/2010 75 FR 28636 28642 Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-Year Reviews in California and Nevada
03/25/2009 74 FR 12878 12883 Initiation of 5-Year Reviews of 58 Species in California, Nevada, Arizona, and Utah; Availability of Completed 5-Year Reviews in California and Nevada
12/20/2004 69 FR 76003 76004 Recovery Plan for Chorizanthe robusta var. robusta (Robust Spineflower)
05/28/2002 67 FR 36822 36845 Critical Habitat Designation for Chorizanthe robusta var. robusta (Robust Spineflower)
09/19/2001 66 FR 48225 48227 ETWP; Reopening of Public Comment Period and Notice of Availability of Draft Economic Analysis for Proposed Critical Habitat Determination for the Chorizanthe robusta var. robusta (Robust Spineflower)
05/03/2001 66 FR 22141 22144 ETWP; Proposed Designation of Critical Habitat for the Robust Spineflower; Technical Corrections
02/15/2001 66 FR 10419 10439 Endangered and Threatened Wildlife and Plants; Proposed Designation of Critical Habitat for Chorizanthe robusta var. robusta (Robust Spineflower)
09/19/2000 65 FR 56590 Availability of a Draft Recovery Plan for the Robust Spineflower (Chorizanthe robusta var. robusta) From Santa Cruz County, California
02/04/1994 59 FR 5499 5510 ETWP; Endangered Status for Three Plants and Threatened Status for One Plant From Sandy and Sedimentary Soils of Central Coastal California
10/24/1991 56 FR 55107 55114 ETWP; Proposed Endangered Status for Five Plants from Sandy and Sedimentary Soils of Central Coastal California; 56 FR 55107 55114
Recovery
To learn more about critical habitat please see http://ecos.fws.gov/crithab
Date
Title
Plan Action Status
Plan Status
12/20/2004 Recovery Plan for Robust Spineflower (Chorizanthe robusta robusta) View Implementation Progress Final
Date
Title
Plan Action Status
Plan Status
12/20/2004 Recovery Plan for Robust Spineflower (Chorizanthe robusta robusta) View Implementation Progress Final
Date
Citation Page
Title
Document Type
05/21/2010 75 FR 28636 28642 Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-Year Reviews in California and Nevada
  • Notice 5-year Review, Completion
03/25/2009 74 FR 12878 12883 Initiation of 5-Year Reviews of 58 Species in California, Nevada, Arizona, and Utah; Availability of Completed 5-Year Reviews in California and Nevada
  • Notice 5-year Review, Initiation
12/20/2004 69 FR 76003 76004 Recovery Plan for Chorizanthe robusta var. robusta (Robust Spineflower)
  • Notice Final Recovery Plan Availability
09/19/2001 66 FR 48225 48227 ETWP; Reopening of Public Comment Period and Notice of Availability of Draft Economic Analysis for Proposed Critical Habitat Determination for the Chorizanthe robusta var. robusta (Robust Spineflower)
  • Notice Doc. Availability
  • Notice Reopen Comment
09/19/2000 65 FR 56590 Availability of a Draft Recovery Plan for the Robust Spineflower (Chorizanthe robusta var. robusta) From Santa Cruz County, California
  • Notice Recovery Plan Avail.
Date
Title
02/09/2010 Chorizanthe robusta var. robusta (Robust Spineflower) 5-Year Review
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