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Acanthomintha duttonii |
| common name | San Mateo thorn-mint |
CalPhotos image
![\"CalPhotos](http://cnps.site.aplus.net/woda/icons/dlp1.gif "\\"CalPhotos")
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© 1998 John Game Follow image link for photo data.
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| family | Lamiaceae |
| life form | annual herb |
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CNPS List
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List 1B.1
CA-Endemic |
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
0.1: Seriously endangered in California |
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 state rank
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| S1.1 |
S1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres |
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global rank
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| G1 |
G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres. |
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Where did the "RED" code go?
Where did the "RED" code go?
We've simplified our rating system.
Read about it here.
Under the old system, this plant was "3-3-3" (v6.05d, 9/05).
Rarity 3: One to several highly restricted
occurrences, or present in such small numbers that it is seldom
reported.
Endangerment 3: Seriously endangered in California.
Distribution 3: Endemic to California.
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| CA state listing | Endangered 07/79 |
federal listing | Endangered 09/18/85 |
| where found |
Topographic quads (3):
Palo Alto (428B)* 3712242, Woodside (429A) 3712243, San Mateo (448D)* 3712253
quad data info
- Quad numbers in parentheses are from the CA Department of Water
Resources. The 7-digit numbers
are the USGS equivalent.
- Red marks signify uncertainty[?] or extirpation[*].
See quad list above. A complete key is
on the Index by Topo Quad page.
- Marks are smaller than the quads they represent, and are generally positioned
near the center of the quad. In some coastal quads, this will place the mark
offshore.
Quad boundaries do not coincide with county
lines. To confirm county location, refer to the county list below.
Counties, states, regions:
San Mateo (SMT)
counties map |
CNDDB Quick Viewer
Web application for exploring the CNDDB elements reported at the quad level.
(broadband recommended)
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| A reminder: Species not recorded for a given area
may nonetheless be present, especially where favorable
conditions occur.
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CNPS habitats | •Chaparral (Chprl)
•Valley and foothill grassland (VFGrs)/serpentinite |
| blooming period
| Apr-Jun |
| elevation range | 50 - 300 meters |
| notes
| | Known from fewer than five extant occurrences; one historical occurrences has been extirpated. Seriously threatened by development, non-native plants, vehicles, and vandalism. USFWS uses the name Acanthomintha obovata ssp. duttonii. See Illustrated Flora of the Pacific States 3:635 (1951) by L. Abrams for original description, and Madroņo 38(4):278-286 (1991) for revised nomenclature. |
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full name | Acanthomintha duttonii (Abrams) Jokerst |
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| standard acronym |
ACDU2 |
Element Code
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PDLAM01040 |
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| CalFlora
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this taxon |
related taxa
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| Jepson Online |
Jepson Manual and other resources |
| Google search |
CNPS website
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entire web
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