CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14sep 9-12-14
Status: record howellia_aquatilis - Thu, Oct. 2, 2014, 08:27 ET b
Howellia aquatilis
common namewater howellia
CalPhotos image
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© 2005 Dieter Wilken  Follow image link for photo data.
familyCampanulaceae
life formannual herb aquatic
CA Rare Plant Rank
List 2B.2
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingThreatened  07/14/94
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (4):
Buck Rock (597B) 3912288, Leech Lake Mountain (598A) 3912381, Zenia (615B) 4012324, Alderpoint (616A) 4012325
quad data info

Counties, states, regions:
Mendocino (MEN), Trinity (TRI), Idaho (ID), Montana (MT), Oregon (OR)*, Washington (WA)
counties map
CNDDB Quick Viewer
Web application for exploring the CNDDB elements reported at the quad level.
(broadband recommended)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Marshes and swamps (MshSw)(freshwater)
blooming period Jun  
elevation range1085 - 1290 meters
notes
Rediscovered in CA in 1996 by D. Isle and D. Efseaff; now known in CA from six extant occurrences. Previously known in CA from only a single collection near Howard Lake in 1928; where possibly extirpated by cattle grazing and trampling. Threatened by hydrological alteration, grazing, and trampling. Endangered in ID and OR, and state-listed as Threatened in WA. Inadvertently omitted from The Jepson Manual. See Proceedings of the American Academy of Arts and Sciences 15:43 (1879) for original description, Wasmann Journal of Biology 33:90-91 (1975) for the CA record, Conservation Biology 2(3):275-282 (1988) for ecological information, and Fremontia 25:3 (1997) for account of rediscovery.
full nameHowellia aquatilis Gray
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  HOAQ Element Code  PDCAM0A010
CalFlora
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web


Suggested citation: California Native Plant Society (CNPS). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14sep). California Native Plant Society. Sacramento, CA. Accessed on Thu, Oct. 2, 2014 from http://www.cnps.org/inventory

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