Rare Biota of Santa Cruz County’s North Coast

By request…a list of the rare biota of Santa Cruz County’s North Coast. The sheer number of rare biota is both a gift and a challenge for us.

How many species do you need to live?

Plants

Federally or State protected plant species on Santa Cruz County’s North Coast
Common name

Status

Latin name Notes
Ben Lomond spineflower

Federally endangered

Chorizanthe pungens var. hartwegii Mostly on inland sands, but also on some shallow soils in the Major’s Creek drainage
San Francisco popcornflower

State endangered

Plagiobothrys diffusus Moist meadows

 

Santa Cruz cypress

Federally threatened

Hesperocyparis abramsiana Mostly on inland sands, but also recently found in the Scotts Creek watershed; outliers expected elsewhere
Santa Cruz wallflower

Federally endangered

Erysimum teretifolium On inland sands
Robust spineflower

Federally endangered

Chorizanthe robusta var. robusta
White-rayed Pentachaeta

Federally and State endangered

Pentachaeta bellidiflora

The following table uses California Rare Plant Ranks, as follow:

California Rare Plant Rank Description of rarity
1B Plants Rare, Threatened, or Endangered in California and Elsewhere

 

2B Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere
3 Plants About Which More Information is Needed – A Review List

 

4 Plants of Limited Distribution – A Watch List

 

Biologically imperiled plant species on Santa Cruz County’s North Coast
Common name

Status

Latin name Notes
 
Ben Lomond buckwheat

CRPR 1B

Eriogonum nudum var. decurrens On inland sands
Bent-flowered fiddleneck

CRPR 1B

Amsinckia lunaris
Blasdale’s bent grass

CRPR 1B

Agrostis blasdalei
Bonny doon Manzanita

CRPR 1B

Arctostaphylos silvicola Mostly on inland sands
Brewer’s Calandrinia

CRPR 4

Calandrinia breweri
California bottlebrush grass

CRPR 4

Elymus californicus

 

Only a couple of populations in our county
California falselupine

CRPR 1B

Thermopsis macrophylla Coastal prairie
Choris’s popcorn flower

CRPR 1B

 

Plagiobothrys chorisianus var. chorisianus Moist meadows, scrub
Dylan’s leptosiphon Leptosiphon ‘dylanae’ An undescribed species only in Bonny Doon, possibly extinct in the wild
Gairdner’s yampah

CRPR 4

Perideridia gairdneri ssp. gairdneri Moist meadows
Harlequin lotus

CRPR 4

Hosackia gracilis Moist meadows
Hoffmann’s snakeroot

CRPR 4

Sanicula hoffmannii
Johnny nip

CRPR 4

Castilleja ambigua  ssp. ambigua Moist meadows
Large flowered star tulip

CRPR 4

Calochortus uniflorus Moist meadows
Marsh silverpuffs

CRPR 1B

Microseris paludosa Moist meadows
Marsh zigadenus

CRPR 4

Toxicoscordion fontanum Only one population known in our county
Michael’s rein orchid

CRPR 4

Piperia michaelii
Mt. diablo cottonweed

CRPR 3

Micropus amphibolus
Ohlone Manzanita

CRPR 1B

Arctostaphylos ohloneana Fewer than a few dozen plants exist
Pinus radiata

CRPR 1B

Monterey pine North Coast includes the Año Nuevo population one of a handful of wild stands; genetically distinct
Point Reyes horkelia

CRPR 1B

Horkelia marinensis Moist meadows
San francisco blue eyed mary

CRPR 1B

Collinsia multicolor Swanton area
San francisco campion

CRPR 1B

Silene verecunda subs. verecunda
San Francisco wallflower

CRPR 4

Erysimum franciscanum Coastal dunes
Santa cruz clover

CRPR 1B

Trifolium buckwestiorum
Santa Cruz County monkeyflower

CRPR 4

Mimulus rattanii  ssp. decurtatus
Santa Cruz Manzanita

CRPR 1B

Arctostaphylos andersonii  Shaded areas
Santa cruz microseris

CRPR 1B

Stebbinsoseris decipiens
Santa Cruz Mountains beardtongue

CRPR 1B

Penstemon rattanii  var. kleei
Schreiber’s Manzanita

CRPR 1B

Arctostaphylos glutinosa
Vanilla grass

CRPR 2

Hierochloe odorata Forest understory

Animals

Federally or State protected animal species on Santa Cruz County’s North Coast
Name

Status

Latin name Notes
American badger

State Species of Special Concern

Taxidea taxus
Bald eagle

State endangered

Haliaeetus leucocephalus
California red-legged frog

Federally threatened

Rana draytonii Breeds in ponds, but uses large areas for movement/summer refugia
Central Coast population

Coho Salmon

Federally endangered

State endangered

Oncorhynchus kisutch Returned for first time in years in 2015 to North Coast streams.
Central Coast population Steelhead Trout

Federally threatened

Oncorhynchus mykiss irideus
Golden eagle

State Fully Protected

Aquila chrysaetos
Grasshopper sparrow

State Species of Special Concern

Ammodramus savannarum
Mount Hermon June beetle

Federally endangered

Polyphylla barbata inland sands
Northern harrier

State Species of Special Concern

Circus cyaneus
Northern spotted owl

Federal candidate

Strix occidentalis caurina
Ohlone tiger beetle

Federally endangered

Cicindela ohlone
Peregrin falcon

Federally threatened

Falco peregrines

 

Ring tailed cat

State Fully Protected

Bassariscus astutus
San Francisco dusky-footed woodrat

State Species of Special Concern

Neotoma fuscipes annectens
Southwestern pond turtle

State Species of Special Concern

Actinemys marmorata pallida Bask in ponds, nest in adjoining grasslands

 

Tidewater goby

Federally endangered

Eucyclogobius newberryi In brackish lagoons
Tricolored blackbird

State Species of Special Concern

Agelaius tricolor Listing petition in process
Western burrowing owl

State Species of Special Concern

Athene cunicularia We have only wintering birds left- they nest inland.
White tailed kite

State Fully Protected

Elanus leucurus
Biologically imperiled animal species on Santa Cruz County’s North Coast

 

Common name Latin name Notes
Ben Lomond rain beetle  
Doloff’s cave spider Meta dolloff Caves
Empire amphipod Stygobromus mackenziei Caves
Empire isopod Calasellus n. sp Caves, undescribed
Empire pseudoscorpion Fissilicreagris imperialis Blind, cave adapted
Empire roothopper Cixius n. sp Caves, undescribed
Laguna cave cricket In one cave, only, undescribed
Puma

 

Puma concolor Not clear if Santa Cruz mountains population is viable in the long term
Santa Cruz black salamander Aneides flavipunctatus niger Only a very few observations
Santa Cruz kangaroo rat Dipodomys venustus venustus Only viable population potentially at Henry Cowell- extinct in Bonny Doon?
Santa Cruz pseudoscorpion Neochthonius imperialis Blind, cave adapted
Santa Cruz rain beetle Pleocoma conjugens conjugens

Habitats

Coastal Commission protected habitats – “Environmentally Sensitive Habitat Areas” (ESHA)

  • Coastal scrub/rocky outcrops
  • Coastal prairie
  • Wetlands
  • Shreve oak forests
  • Maritime chaparral
  • Riparian habitats

 

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