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About

Carduus tenuiflorus (Slender Thistle/Italian Thistle)

PhylumCladeCladeCladeOrderFamilySubfamilyTribeSubtribeGenus
AngiospermaeMesangiospermaeEudicotyledoneaeAsteridsAsteralesAsteraceaeCarduoideaeCynareaeCarduinaeCarduus
Carduus tenuiflorus Flower
Carduus tenuiflorus Plant
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General Information

Sightings:149
Type(s):introduced, annual, flowering plant, plant

Trail List

  • Santa Barbara
    • Agricultural
      • East Creek Ranch
    • Paradise Rd
      • Aliso Loop
      • Aliso Trail
      • Camuesa Canyon FRd
      • Camuesa Canyon Rd
      • Oso Horsetrail
      • Santa Cruz Trail (Upper Oso)
    • Riparian
      • San Roque Creek
    • SB Back Country
      • Arroyo Burro Back Rd.
      • Arroyo Burro Back Trail
      • Blue Canyon Trail Cot2Camuesa
      • Blue Canyon Trail Cot2Rom
      • CS Mono
      • Cold Spring For2Grotto
      • Devil's Canyon Trail
      • Forbush Canyon Trail
      • Forbush Meadow
      • Gibraltar Back Rd.
      • Grotto<->Mine
      • Matias Trail
      • Romero Back Rd.
      • Snyder Trail
    • SB Front Country
      • Arroyo Burro Trail
      • Buena Vista Connector Wall
      • Buena Vista Trail (Romero)
      • Cold Spring Below Powerlines
      • Cold Spring West Fork
      • Hot Spring New Trail
      • Hot Springs Connector
      • Jesusita
      • Jesusita Tunnel
      • Rattlesnake
      • Rattlesnake Connector
      • Romero Connector FRd
      • Romero Rd.
      • Romero Trail Above Rd.
      • Romero Trail Below Rd.
      • Saddlerock Trail
      • San Antonio Creek Trail
      • San Ysidro Trail Above Falls
      • Tunnel Trail
      • Tunnel paved
    • Summit
      • Divide Peak FRd.
      • West Camino Cielo
    • Urban
      • Coast Village Roundabout
      • Los Carneros Rd.
      • Modoc Lupin Wall
      • More Mesa
      • UCSB bikepath
      • Vieja Horsetrail
    • Wilderness
      • Santa Cruz Creek2Station
    • unspecified
      • Cold Spring Trail
      • Hot Springs Creek
      • Rattlesnake Trail

Sightings Table

DateLatLonAltitudeTemperatureHumidityTrail
2018-09-06 11:58:1634.4529-119.64281m. (268ft.)19°C (66°F)19%Hot Spring New Trail
2018-07-08 07:52:2034.4632-119.651112m. (368ft.)23°C (73°F)23%Cold Spring Below Powerlines
2018-07-03 07:21:3134.455-119.63985m. (280ft.)18°C (64°F)18%Hot Springs Creek
2018-06-28 07:04:2934.4557-119.63996m. (316ft.)14°C (57°F)14%Hot Spring New Trail
2018-06-10 10:09:3434.463-119.641146m. (480ft.)23°C (73°F)23%Hot Springs Connector
2018-06-10 07:06:5334.4574-119.635131m. (432ft.)15°C (59°F)15%Saddlerock Trail
2018-06-07 10:09:3234.4553-119.611102m. (337ft.)16°C (61°F)16%Buena Vista Connector Wall
2018-06-05 09:21:2634.5232-119.746174m. (572ft.)24°C (75°F)24%Matias Trail
2018-06-02 08:44:2034.4727-119.707134m. (442ft.)21°C (70°F)21%Jesusita Tunnel
2018-05-29 12:05:5434.5267-119.759136m. (446ft.)30°C (86°F)30%Arroyo Burro Back Trail
2018-05-26 15:09:4534.4954-119.626174m. (572ft.)24°C (75°F)24%Forbush Canyon Trail
2018-05-20 10:42:4934.4748-119.591254m. (834ft.)15°C (59°F)15%Romero Trail Above Rd.
2018-05-20 10:13:2034.4703-119.595225m. (741ft.)15°C (59°F)15%Romero Rd.
2018-05-15 12:25:5634.5138-119.757204m. (670ft.)18°C (64°F)18%Arroyo Burro Back Trail
2018-05-15 08:04:1534.4968-119.748222m. (729ft.)18°C (64°F)18%Arroyo Burro Trail
2018-05-13 10:47:4134.5105-119.631138m. (456ft.)18°C (64°F)18%CS Mono
2018-05-12 07:59:4734.4763-119.724107m. (353ft.)14°C (57°F)14%Jesusita
2018-05-10 08:14:3934.4239-119.7986m. (20ft.)18°C (64°F)18%More Mesa
2018-05-08 10:43:2034.5298-119.756139m. (457ft.)24°C (75°F)24%Arroyo Burro Back Rd.
2018-04-19 11:51:0534.4348-119.7713m. (43ft.)19°C (66°F)19%Vieja Horsetrail
2017-07-02 10:59:5434.529-119.629136m. (447ft.)N/AN/ACS Mono
2017-06-17 02:05:3834.4557-119.72954m. (179ft.)N/AN/AJesusita
2017-06-06 10:15:5834.508-119.631150m. (494ft.)N/AN/ACS Mono
2017-06-03 17:44:4834.5109-119.757242m. (796ft.)N/AN/AArroyo Burro Back Trail
2017-06-01 07:42:5234.4557-119.72953m. (174ft.)N/AN/AJesusita
2017-05-23 09:50:3734.5154-119.697171m. (562ft.)N/AN/ADevil's Canyon Trail
2017-05-23 08:59:4234.501-119.694266m. (873ft.)N/AN/AMatias Trail
2017-05-18 18:15:2234.5644-119.767133m. (438ft.)N/AN/ACamuesa Canyon FRd
2017-05-14 10:49:2534.5266-119.759146m. (479ft.)N/AN/AArroyo Burro Back Trail
2017-05-14 08:32:5034.4952-119.746216m. (711ft.)N/AN/AArroyo Burro Trail
2017-05-09 13:56:0334.5082-119.631152m. (499ft.)N/AN/ACS Mono
2017-05-09 13:55:4434.508-119.631153m. (502ft.)N/AN/ACS Mono
2017-05-09 13:55:3834.508-119.631153m. (503ft.)N/AN/ACS Mono
2017-05-07 08:35:1534.5649-119.765137m. (452ft.)N/AN/ASanta Cruz Trail (Upper Oso)
2017-05-02 09:44:5534.5041-119.634170m. (559ft.)N/AN/ACold Spring For2Grotto
2017-04-30 12:16:2634.4953-119.626159m. (524ft.)N/AN/AForbush Canyon Trail
2017-04-30 07:51:0034.4554-119.6197m. (320ft.)N/AN/ABuena Vista Trail (Romero)
2017-04-25 12:10:5434.5258-119.759141m. (465ft.)N/AN/AArroyo Burro Back Trail
2017-04-25 09:02:5934.546-119.77397m. (321ft.)N/AN/AOso Horsetrail
2017-04-18 10:39:2434.4236-119.818-10m. (-35ft.)N/AN/AUCSB bikepath
2017-04-18 08:41:3034.4346-119.759m. (29ft.)N/AN/AModoc Lupin Wall
2017-04-13 15:28:5134.5481-119.786121m. (398ft.)N/AN/AAliso Loop
2016-06-02 08:33:4934.476-119.723124m. (410ft.)N/AN/AJesusita
2016-06-02 08:27:0634.4753-119.72696m. (315ft.)N/AN/AJesusita
2016-05-31 08:41:2834.4627-119.641136m. (447ft.)N/AN/AHot Springs Connector
2016-05-29 08:08:2734.4752-119.592242m. (796ft.)N/AN/ARomero Trail Above Rd.
2016-05-29 07:21:0434.4568-119.59278m. (256ft.)N/AN/ARomero Rd.
2016-05-17 09:43:0834.4923-119.595148m. (487ft.)N/AN/ABlue Canyon Trail Cot2Rom
2016-05-12 08:54:0834.5018-119.692278m. (915ft.)N/AN/AGibraltar Back Rd.
2016-05-12 07:17:2034.467-119.71188m. (291ft.)N/AN/ATunnel paved
2016-05-10 11:09:3834.5236-119.655150m. (495ft.)N/AN/AGrotto<->Mine
2016-05-10 08:34:5334.48-119.633270m. (888ft.)N/AN/ASan Ysidro Trail Above Falls
2016-05-07 09:29:0234.4555-119.72924m. (81ft.)N/AN/AJesusita
2016-05-03 09:41:0734.4811-119.582243m. (798ft.)N/AN/ARomero Back Rd.
2016-04-28 09:43:1634.5296-119.755126m. (414ft.)N/AN/AArroyo Burro Back Rd.
2016-04-28 08:44:0934.5105-119.752255m. (839ft.)N/AN/AArroyo Burro Back Rd.
2016-04-26 07:54:3734.4588-119.593112m. (369ft.)N/AN/ARomero Connector FRd
2016-04-24 14:11:2234.5526-119.78687m. (287ft.)N/AN/AAliso Trail
2016-04-19 09:00:5534.4725-119.571271m. (890ft.)N/AN/ADivide Peak FRd.
2016-04-13 10:41:2834.5226-119.739172m. (566ft.)N/AN/AMatias Trail
2016-04-11 10:23:2534.4625-119.591144m. (473ft.)N/AN/ARomero Trail Below Rd.
2015-06-02 07:35:3534.4552-119.6189m. (295ft.)N/AN/ABuena Vista Trail (Romero)
2015-05-07 00:00:00N/AN/AN/AN/AN/AJesusita
2015-05-06 10:34:5534.5165-119.757175m. (575ft.)N/AN/AArroyo Burro Back Trail
2015-04-30 00:00:00N/AN/AN/AN/AN/AJesusita
2015-04-26 10:19:3934.5006-119.61128m. (421ft.)N/AN/ABlue Canyon Trail Cot2Camuesa
2015-04-23 07:36:3634.4529-119.73228m. (93ft.)N/AN/ASan Roque Creek
2015-04-22 07:45:0134.4315-119.7821m. (4ft.)N/AN/AVieja Horsetrail
2015-04-21 10:12:0534.5208-119.653161m. (531ft.)N/AN/AGrotto<->Mine
2015-04-21 09:20:3734.5041-119.634155m. (510ft.)N/AN/ACold Spring For2Grotto
2015-04-19 10:21:1834.6324-119.765179m. (590ft.)N/AN/ASanta Cruz Creek2Station
2015-04-16 09:31:2134.4662-119.662107m. (354ft.)N/AN/ACold Spring West Fork
2015-04-16 08:25:1734.4652-119.688106m. (348ft.)N/AN/ARattlesnake
2015-04-02 13:00:00N/AN/AN/AN/AN/AUCSB bikepath
2015-03-12 13:00:00N/AN/AN/AN/AN/AUCSB bikepath
2015-02-02 12:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2015-01-21 12:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2014-07-18 00:00:00N/AN/AN/AN/AN/AAliso Trail
2014-06-29 00:00:00N/AN/AN/AN/AN/AAliso Trail
2014-06-24 00:00:0034.5205-119.653169m. (555ft.)N/AN/AGrotto<->Mine
2014-06-21 14:32:4334.5537-119.786107m. (353ft.)N/AN/AAliso Trail
2014-06-15 00:00:00N/AN/AN/AN/AN/AAliso Trail
2014-06-07 00:00:00N/AN/AN/AN/AN/AAliso Trail
2014-06-03 00:00:0034.4955-119.631185m. (607ft.)N/AN/AForbush Canyon Trail
2014-05-29 00:00:00N/AN/AN/AN/AN/AJesusita
2014-05-25 00:00:00N/AN/AN/AN/AN/ARattlesnake Trail
2014-05-24 00:00:00N/AN/AN/AN/AN/AAliso Loop
2014-05-22 00:00:00N/AN/AN/AN/AN/AJesusita
2014-05-13 00:00:00N/AN/AN/AN/AN/AJesusita
2014-05-11 00:00:00N/AN/AN/AN/AN/AJesusita
2014-05-08 00:00:00N/AN/AN/AN/AN/AJesusita
2014-05-03 00:00:00N/AN/AN/AN/AN/AHot Springs Connector
2014-05-01 00:00:00N/AN/AN/AN/AN/AJesusita
2014-04-24 00:00:00N/AN/AN/AN/AN/AJesusita
2014-04-21 00:00:00N/AN/AN/AN/AN/ASnyder Trail
2014-04-19 00:00:00N/AN/AN/AN/AN/ACamuesa Canyon Rd
2014-04-13 00:00:00N/AN/AN/AN/AN/AJesusita
2014-04-02 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2014-03-03 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2014-02-10 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2014-02-05 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2014-01-27 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2014-01-16 00:00:00N/AN/AN/AN/AN/ALos Carneros Rd.
2013-12-04 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2013-11-11 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2013-06-23 00:00:00N/AN/AN/AN/AN/ATunnel Trail
2013-06-09 00:00:00N/AN/AN/AN/AN/ACold Spring Trail
2013-06-05 00:00:00N/AN/AN/AN/AN/AForbush Meadow
2013-06-02 00:00:00N/AN/AN/AN/AN/AJesusita
2013-05-30 00:00:00N/AN/AN/AN/AN/AJesusita
2013-05-27 00:00:00N/AN/AN/AN/AN/AJesusita
2013-05-14 00:00:00N/AN/AN/AN/AN/ACold Spring Trail
2013-05-02 00:00:00N/AN/AN/AN/AN/AJesusita
2013-04-28 00:00:00N/AN/AN/AN/AN/AJesusita
2013-04-27 00:00:00N/AN/AN/AN/AN/AArroyo Burro Back Trail
2013-04-25 00:00:00N/AN/AN/AN/AN/AJesusita
2013-04-18 00:00:00N/AN/AN/AN/AN/ACold Spring Trail
2013-04-14 00:00:00N/AN/AN/AN/AN/AArroyo Burro Trail
2013-04-11 00:00:00N/AN/AN/AN/AN/AJesusita
2013-01-28 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2012-12-07 00:00:00N/AN/AN/AN/AN/ACoast Village Roundabout
2012-06-25 00:00:00N/AN/AN/AN/AN/AN/A
2012-06-24 00:00:00N/AN/AN/AN/AN/ASan Antonio Creek Trail
2012-06-19 00:00:00N/AN/AN/AN/AN/ATunnel Trail
2012-06-10 00:00:00N/AN/AN/AN/AN/AJesusita
2012-06-07 00:00:00N/AN/AN/AN/AN/ATunnel Trail
2012-05-31 00:00:00N/AN/AN/AN/AN/AJesusita
2012-05-28 00:00:00N/AN/AN/AN/AN/AJesusita
2012-05-27 00:00:00N/AN/AN/AN/AN/ARattlesnake Connector
2012-05-20 00:00:00N/AN/AN/AN/AN/AJesusita
2012-05-19 00:00:00N/AN/AN/AN/AN/AEast Creek Ranch
2012-05-13 00:00:00N/AN/AN/AN/AN/ARomero Rd.
2012-05-08 08:29:16N/AN/AN/AN/AN/ACold Spring Below Powerlines
2012-05-06 00:00:00N/AN/AN/AN/AN/AWest Camino Cielo
2012-05-02 00:00:00N/AN/AN/AN/AN/AJesusita
2012-04-19 00:00:00N/AN/AN/AN/AN/AJesusita
2012-04-08 00:00:00N/AN/AN/AN/AN/AJesusita
2012-04-05 00:00:00N/AN/AN/AN/AN/AJesusita
2012-04-01 00:00:00N/AN/AN/AN/AN/AMore Mesa
2012-03-18 00:00:00N/AN/AN/AN/AN/AUCSB bikepath
2012-03-03 00:00:00N/AN/AN/AN/AN/AN/A
2012-02-21 00:00:00N/AN/AN/AN/AN/AUCSB bikepath
2011-06-21 00:00:00N/AN/AN/AN/AN/AJesusita
2011-05-28 16:02:3934.4941-119.62159m. (524ft.)N/AN/AForbush Canyon Trail
2011-04-05 00:00:00N/AN/AN/AN/AN/AN/A
2010-06-30 00:00:00N/AN/AN/AN/AN/AN/A
2010-06-01 00:00:00N/AN/AN/AN/AN/AN/A
2010-05-18 09:05:51N/AN/AN/AN/AN/AJesusita
2010-05-18 09:05:13N/AN/AN/AN/AN/AJesusita

Seen with...

Danaus plexippus

Danaus plexippus

Monarch butterfly

Heliopetes ericetorum

Heliopetes ericetorum

Northern White-Skipper

Euphydryas chalcedona

Euphydryas chalcedona

Variable Checkerspot

External Links