Search Results — 423 specimen records retrieved (408 records with coordinates)
Results for search: County=SAN LUIS OBISPO; Source=All; Collector=Walgren;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  OBI081401  Lepidospartum squamatum Michael Walgren 2012-9-9 464 San Luis Obispo Growing in a 40 acre rural property in San Miguel between Wellsona RD and San Marcos Rd. west of Hwy 101. Common in sandy soil in the bed of San Marcos Creek. 214 Comment
  OBI082108  Echium candicans Michael Walgren 2015-12-17 484 San Luis Obispo One plant growing on the west road edge of Highway One north of Point Piers Blancas at the first unnamed creek down-coast from Arroyo Honda. Not associated with landscaping. 30 Comment
  OBI083582  Lupinus latifolius subsp. latifolius Michael Walgren 2016-4-21 528 San Luis Obispo Collect along Manzanita Trail in Montana de Oro State Park. 236 Comment
  OBI488  Acacia longifolia Michael Walgren 2016-3-4 488 San Luis Obispo Pismo State Beach, in dunes immediately west of the Oceano Campground off Pier Ave. A naturalized invasive in backdunes, along with other inasive trees 8 Comment
  OBI71782  Perideridia oregana Michael Walgren 2009-8-26 30 San Luis Obispo San Simeon State Park. South of Piedras Blancas Lighthouse. South of the lighthouse about .6 mi is a prominent wetland west of Hwy 1 Comment
  OBI71783  Paspalum distichum Michael Walgren 2008-8-16 31 San Luis Obispo In creekbed of Santa Rosa Crk about 15m E of Hwy 1 just S of Cambria on E-W Ranch Comment
  OBI71784  Paspalum dilatatum Michael Walgren 2008-8-18 32 San Luis Obispo CalTrans right-of-way on hwy 1; On W side of hwy and adj to vacant parkland immed S of the comm of San Simeon Acres Comment
  OBI71785  Ageratina adenophora Michael Walgren 2008-7-15 60 San Luis Obispo San Simeon State Park in Arroyo Hondo stream channel area W of hwy 1 Comment
  OBI71786  Lepechinia calycina Michael Walgren 2008-7-16 59 San Luis Obispo San Simeon State Park on high coastal bluff to immediate S of, and above, San Carpoforo Crk mouth Comment
  OBI71787  Anthoxanthum odoratum Michael Walgren 2008-8-2 58 San Luis Obispo San Simeon State Park at San Simeon Point Comment
  OBI71788  Navarretia squarrosa Michael Walgren 2008-8-9 57 San Luis Obispo Near town of Old San Simeon along hwy 1 near roadside just up-coast of jctn of SLO-San Simeon rd and hwy 1 Comment
  OBI71789  Phyla nodiflora Michael Walgren 2008-8-1 55 San Luis Obispo San Simeon State Park along bech edge at San Simeon Cove near San Simeon Pier Comment
  OBI71792  Elymus triticoides Michael Walgren 2008-7-24 53 San Luis Obispo Immediately S of the San Simeon Pier and N of Broken Bridge Crk Comment
  OBI71793  Elymus glaucus subsp. virescens Michael Walgren 2008-6-24 52 San Luis Obispo San Simeon State Park at cove near Breaker Point Comment
  OBI71810  Holodiscus discolor Michael Walgren 2009-8-26 22 San Luis Obispo Occurs on SE slope where hwy 1 crosses the first crk N of San Carpoforo Cr 65 Comment
  OBI71811  Notholithocarpus densiflorus var. densiflorus Michael Walgren 2009-8-26 23 San Luis Obispo Occurs on SE slope where Hwy 1 crosses the first creek N of San Carpoforo Cr 65 Comment
  OBI71812  Arbutus menziesii Michael Walgren 2009-8-26 24 San Luis Obispo Hwy 1 crosses the first creek N of San Carpoforo cr. 65 Comment
  OBI71813  Heterotheca oregona Michael Walgren 2009-8-25 25 San Luis Obispo In Cal Trans hwy 1 right-of -way on inland side of bridge over Arroyo de la Cruz Comment
  OBI71814  Chorizanthe palmeri Michael Walgren 2009-8-25 27 San Luis Obispo Cal Trans hwy 1 right-of-way on inland side of bridge over Arroyo de la Cruz Comment
  OBI71815  Equisetum telmateia Michael Walgren 2009-8-26 28 San Luis Obispo CalTrans Hwy 1 right-of-way on the inland side of the bridge over Leffingwell Creek (north of Cambria). Comment
  OBI71816  Equisetum arvense Michael Walgren 2009-8-26 29 San Luis Obispo the NW corner of Los Olivos and South Bay Boulevard in Los Osos. Comment
  OBI71833  Arctostaphylos osoensis Michael Walgren 2006-1-15 34 San Luis Obispo Morro Bay state park on Park ridge on unnnamed peak at park boundary with private property leading to Hollister peak; vicinity ofN35 20.475 W 12047.839 Comment
  OBI71834  Arctostaphylos pechoensis Michael Walgren 2006-1-15 35 San Luis Obispo Montana de Oro State Park on low ride with bare rocky soil E of Pecho Valley rd, N of Coon crk, SW of Valencia Peak and south of islay crk Comment
  OBI71835  Arctostaphylos cruzensis Michael Walgren 2005-6-29 36 San Luis Obispo San Simeon State Park N of Arroyo de los Chinos and S of Arroyo Hondo Comment
Read comments
Dec 24 2016
  OBI71836  Arctostaphylos tomentosa subsp. daciticola Michael Walgren 2007-1-1 37 San Luis Obispo Un named peak in Morro Bay State Park on Park Ridge at park boundary with private property leading to Hollister Peak Comment
  OBI71837  Ceanothus papillosus Michael Walgren 2007-1-1 38 San Luis Obispo Unnamed peak in Morro Bay State Park on Park ridge at park boundary with private property leading to Hollister Peak 413 Comment
  OBI72002  Berberis pinnata subsp. pinnata Michael Walgren 2010-1-15 62 San Luis Obispo Morro Bay State Park along Park ridge. Comment
  OBI72003  Rosa spithamea Michael Walgren 2010-2-1 63 San Luis Obispo Morro Bay state park, along Quarry Trl along trail edge in deep dense coastal scrub. approx. 1/4 mi from parkingl ot at South Bay Blvd Comment
  OBI72004  Equisetum telmateia Michael Walgren 2010-2-16 81 San Luis Obispo Irish Hills, Montana de oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon Road, approx. 8 mile from Los Osos Valley Rd. and 0.5 mile from junct. with Prefumo Cyn. Rd. Inland portion of property on inland side of See Cyn. Rd. 335 Comment
  OBI72005  Pickeringia montana var. montana Michael Walgren 2010-2-16 80 San Luis Obispo Irish Hills, Prefumo Cyn rd, about 5.06 mi from Los Osos Valley rd Comment
  OBI72007  Fragaria vesca Michael Walgren 2010-2-16 78 San Luis Obispo On un-named crk ("Tortuga Crk") S of hwy 1 between Oak Knoll Crk and San Simeon Point. This is the first crk W of San Simeon Point. On W side of stream bank near hwy 1 Comment
  OBI72008  Lomatium dasycarpum Michael Walgren 2010-2-16 77 San Luis Obispo On grazed private ranchland on N side of Montecito Rd (dirt rd off Old Crk Rd Comment
  OBI72009  Pseudognaphalium californicum Michael Walgren 2010-2-1 74 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn rd 335 Comment
  OBI72010  Ribes sanguineum var. glutinosum Michael Walgren 2010-2-1 73 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 335 Comment
  OBI72011  Lupinus latifolius Michael Walgren 2010-2-1 72 San Luis Obispo Irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd Comment
  OBI72012  Ageratina adenophora Michael Walgren 2010-2-1 71 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn Rd. Inland portion of property on inland side of See Cyn rd. In un-nmaed drainage N of home site 335 Comment
  OBI72013  Hainardia cylindrica Michael Walgren 2008-6-15 65 San Luis Obispo N of San Simeon, near Beaker point (which is between Arroyo de la cruz and arroyo Hondo). Exact location not certain; near a culvert just N of Arroyo Hondo Comment
  OBI72014  Festuca myuros Michael Walgren 2008-6-15 66 San Luis Obispo N of San Simeon. Near edge of wet prairie bordered by Hwy 1 and Breaker Point (near Arroyo Hondo and S of Arroyo de la Cruz) Comment
  OBI72015  Lathyrus vestitus var. vestitus Michael Walgren 2010-2-1 67 San Luis Obispo Irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd 335 Comment
  OBI72016  Polypodium calirhiza Michael Walgren 2010-2-1 68 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 335 Comment
  OBI72017  Cynoglossum grande Michael Walgren 2010-2-1 69 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn rd 335 Comment
  OBI72018  Ribes speciosum Michael Walgren 2010-2-1 70 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 335 Comment
  OBI72019  Fragaria chiloensis Michael Walgren 2010-1-29 64 San Luis Obispo N of San Simeon. Cal trans right of way on E side of hwy 1, just S of Arroyo del Osos (which is between Arroyo de la Cruz and Piedras Blancas Pt). This area is planned for hwy realignment; therefore, this pop will be displaced in the next couple years Comment
  OBI72024  Lupinus bicolor Michael Walgren 2010-2-1 75 San Luis Obispo irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd 335 Comment
  OBI72025  Gilia clivorum Michael Walgren 2010-2-16 76 San Luis Obispo Morro Bay, roadside along Old Morro Crk Rd on S side of rd approx .3 mi from Radcliff St Comment
  OBI72034  Cotoneaster lacteus Michael Walgren 2010-2-1 61 San Luis Obispo Cambria, along hwy 1. roadside between Bruton Dr and Santa Rosa cr on E side of rd Comment
  OBI72081  Asphodelus fistulosus Michael Walgren 2010-3-3 82 San Luis Obispo SW roadedge of hwy 1 N of Cayucos and just S of first un-named drainage SE of Villa CRk Comment
  OBI72082  Polygonum aviculare Michael Walgren 2008-7-15 83 San Luis Obispo N of San Simeon along cattle trl near Arroyo Hondo, W of hwy 1 Comment
  OBI72083  Epilobium ciliatum subsp. watsonii Michael Walgren 2010-3-3 84 San Luis Obispo N of San Simeon along cattle trl near Arroyo Hondo, W of hwy 1 Comment
  OBI72084  Sanicula crassicaulis Michael Walgren 2010-3-8 85 San Luis Obispo Estero Bluffs State Park on west side of Hwy 1 upcoast from the town of Cayucos Comment
  OBI72085  Phacelia malvifolia Michael Walgren 2010-3-8 86 San Luis Obispo Estero Bluffs State Park on W side of hwy 1 upcoast from the town of Cayucos; 1.13 roadmiles W of San Geronimo Crk Comment
  OBI72086  Triphysaria eriantha subsp. rosea Michael Walgren 2010-3-8 87 San Luis Obispo Hwy 1 road edge along San Simeon State Park on N side of hwy between Hearst Castle Rd and San Luis Obispo San Simeon Rd. W of Arroyo del Puerto Crk Comment
  OBI72087  Vicia villosa Michael Walgren 2010-3-25 89 San Luis Obispo Morro Bay, at the Hwy 1 N bound onramp from S Bay Blvd, on S side of onramp Comment
  OBI72088  Brassica rapa Michael Walgren 2010-3-25 90 San Luis Obispo Morro Bay state park on a knoll NE of the intersection of Turri rd and South Bay Blvd Comment
  OBI72089  Vicia sativa Michael Walgren 2010-3-26 91 San Luis Obispo San Simeon State Park on hwy 1 rd edge W of Oak Knoll Crk and S of hwy 1 Comment
  OBI72090  Sanicula arguta Michael Walgren 2010-4-4 92 San Luis Obispo Cayucos, in serpentine hills bound by Hwy 1 to the west, 13th Street to the south, Whale rock reservoir to the east, and Old Cayucos Crk to the north. 76 Comment
  OBI72092  Layia platyglossa Michael Walgren 2010-4-4 96 San Luis Obispo Cayucos; hwy 1 to the W, 13th St to the S, Whale Rock reservoir to the E, and Old Cayucos Crk to the N. NE portion of peak Comment
  OBI72094  Gilia achilleifolia Michael Walgren 2010-4-4 97 San Luis Obispo Cayucos; hills bound by hwy 1 to the W, 13th St to the S, Whale rock reservoir to the E, and Old Cayucos Crk to the N Comment
  OBI72095  Trifolium depauperatum var. truncatum Michael Walgren 2010-4-6 98 San Luis Obispo San Simeon State Park on W side of hwy 1, between two unnamed drainages. Approx .67 mi S of Arroyo Hondo and 1.05 mi N of Arroyo de los Chinos Comment
  OBI72096  Trifolium gracilentum Michael Walgren 2010-4-6 99 San Luis Obispo San Simeon State Park on W side of hwy 1, between two unnamed drainages. Approx .67 mi S of Arroyo Hondo and 1.05 mi N of Arroyo de los Chinos Comment
  OBI72097  Salvia columbariae Michael Walgren 2010-4-6 100 San Luis Obispo Cayucos; hills bound by Hwy 1 to the W, 13th St to the S, Whale rock reservoir to te E, and Old Cayucos Crk to the N 76 Comment
  OBI72098  Triphysaria pusilla Michael Walgren 2010-4-7 101 San Luis Obispo San Simeon State Park, W of Hwy 1; S of the dunes at Point Piedras Blancas Comment
  OBI72099  Layia platyglossa Michael Walgren 2010-4-7 102 San Luis Obispo San Simeon State Park; W of hwy 1 and N of access rd to Piedras blancas Light station Comment
  OBI72100  Cuscuta occidentalis Michael Walgren 2010-4-4 103 San Luis Obispo Cayucos, hills bound by Hwy 1 to the W, 13th St to the S, Whale Rock reservoir to the E, and Old Cayucos Creek to the N. Along a dirt rd cut on Chorizanthe palmeri Comment
  OBI72101  Gilia achilleifolia Michael Walgren 2010-4-4 104 San Luis Obispo Cayucos, on a rd cut of serpentine along the N side of North Ocean Ave, W of Cayucos Crk about 300 m Comment
  OBI72102  Lomatium caruifolium Michael Walgren 2008-3-3 107 San Luis Obispo San Simeon State Park, between Little Pico Crk and San Simeon Point, SE of Broken Bridge Crk and S of hwy 1 Comment
  OBI72103  Lomatium parvifolium Michael Walgren 2008-3-3 106 San Luis Obispo Vicinity of San Simeon State park, on CalTrans right-of-way rd edge on hwy 1 at SE corner of the bridge at Arroyo de la Cruz Comment
  OBI72104  Emex spinosa Michael Walgren 2010-4-4 105 San Luis Obispo Morro Strand State Beach in Cayucos, at the S end of the lagoon at Old Crk, along the edge of the dirt parking lot at the N end of Studio Dr. S of hwy 1 Comment
  OBI72105  Emex spinosa Michael Walgren 2010-4-1 93 San Luis Obispo Morro Strand State Beach in N Morro bay on dunes adj to campgrund entrance rd off Yerba Buena Rd Comment
  OBI72432  Cynodon dactylon Michael Walgren 2008-8-19 33 San Luis Obispo San Simeon State Park campground area in creekbed of San Simeon Crk Comment
  OBI72752  Solanum xanti Michael Walgren 2010-4-15 123 San Luis Obispo Morro Bay state Park at E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" . Collected near Pismo Ave Comment
  OBI72753  Erysimum suffrutescens Michael Walgren 2010-4-15 124 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" and Comment
  OBI72754  Salvia columbariae Michael Walgren 2010-4-15 126 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. This newer acquistion parcel is located S of Pismo ave and abuts several homes. The parcel is known as "Powell III" Comment
  OBI72755  Allium hickmanii Michael Walgren 2010-4-14 111 San Luis Obispo San Simeon State Park, between Little Pico Creek and San Simeon Point, northwest of Broken Bridge Creek and south of Hwy 1 Comment
  OBI72756  Cuscuta occidentalis Michael Walgren 2010-4-4 112 San Luis Obispo Cayucos, hills bound by Hwy 1 to the W, 13th St to the S, Whale Rock reservoir to the E, and Old Cayucos Creek to the N. Along a dirt rd cut on Calystegia sp Comment
  OBI72757  Layia platyglossa Michael Walgren 2010-4-7 114 San Luis Obispo San Simeon State Park on W side of hwy 1 just S of the Piedras Blancas Motel, in a former campground area between Arroyo del Corral and Arroyo del Osos Comment
  OBI72758  Salvia mellifera Michael Walgren 2010-4-15 125 San Luis Obispo Morro Bay state park, at the eastern terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. Parcel known as "Powell III" Comment
  OBI72759  Descurainia pinnata Michael Walgren 2010-4-15 127 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This new acquisition parcel is located S of Pismo Ave and abuts several homes. the parcel is known as Powell III Comment
  OBI72760  Verbascum virgatum Michael Walgren 2010-4-20 128 San Luis Obispo W side of Cypress Mtn area on Cypress Mtn Dr from hwy 46, about 3.8 mi NW to jctn with Cypress Mtn dirt rd, then up Cypress Mtn rd about 1.6 mi. On both sides of rd 579 Comment
  OBI72761  Acaena pinnatifida var. californica Michael Walgren 2010-5-12 129 San Luis Obispo San Simeon State Park, in areas of the Pico Point Conservation easement on Pico Point. On N side of a high coastal bluff overlooking an isolated bay Comment
  OBI72762  Acmispon heermannii var. orbicularis Michael Walgren 2010-5-12 130 San Luis Obispo San Simeon State Park, in area of the Pico Point Conservation easement on Pico Point. On the N side of a high coastal bluff overlooking an isolated bay Comment
  OBI72763  Acmispon cytisoides Michael Walgren 2010-5-12 131 San Luis Obispo San Simeon State Park, along the banks of the first un-named crk N of Arroyo de los Chinos Comment
  OBI72764  Lotus corniculatus Michael Walgren 2010-5-12 132 San Luis Obispo San Simeon State Park, along the banks of the first un-named crk N of Arroyo de los Chinos Comment
  OBI72765  Allium unifolium Michael Walgren 2010-5-12 133 San Luis Obispo San Simeon State Park, at the culvert of an un-named drainage at the boundary fence between the park and the highway 1 CalTrans property; S of Arroyo Hondo, N of Arroyo de los Chinos, and W of the hwy. About .7 mi S of Arroyo Hondo and 1.04 mi N of Arroyo de los Chinos Comment
  OBI72766  Zeltnera davyi Michael Walgren 2010-5-12 134 San Luis Obispo San Simeon State Park on W side of hwy 1, between two unnamed drainages. Approx .67 mi S of Arroyo Hondo and 1.05 mi N of Arroyo de los Chinos Comment
  OBI72767  Romulea rosea var. australis Michael Walgren 2010-3-26 88 San Luis Obispo San Simeon State Park, W of Hwy 1, on parcel between Lone Palm Rd and the town of San Simeon Acres Comment
  OBI72768  Juncus bufonius var. bufonius Michael Walgren 2008-6-15 135 San Luis Obispo San Simeon State Park, near unnamed drainage about .57 mi S of Arroyo Hondo, on W side of hwy 1 Comment
  OBI72770  Lasthenia californica Michael Walgren 2010-4-4 115 San Luis Obispo Cayucos, by hwy 1 to the W, 13th St to the S, Whale Rock reservoir to the E, and Old Cayucos crk to the N. On NE portion of peak, below the actual peak Comment
  OBI72802  Trifolium campestre Michael Walgren 2010-4-14 109 San Luis Obispo San Simeon State Park, W of hwy 1, on parcel between Lone Palm Rd and the town of San Simeon Acres Comment
  OBI72803  Acaena pinnatifida var. californica Michael Walgren 2010-4-14 110 San Luis Obispo San Simeon State Park, W of Hwy 1, on parcel between Lone Palm Rd and the town of San Simeon Acres. Near the N edge of the central un-named drainage Comment
  OBI72804  Astragalus curtipes Michael Walgren 2010-4-4 116 San Luis Obispo Cayucos, in serpentine hills bound by Hwy 1 to the W, 13 th Street to the S, whale Rock reservoir to the E, and Old Cayucos Crk to the N. On NE portion of peak, below the actual peak Comment
  OBI72805  Chenopodium californicum Michael Walgren 2010-4-15 117 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This new acquisition parcel is located S of Pismo Ave and abuts several homes. the parcel is known as Powell III . Near Pismo Ave Comment
  OBI72806  Croton californicus Michael Walgren 2010-4-15 118 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This new acquisition parcel is located S of Pismo Ave and abuts several homes. the parcel is known as Powell III . Near Pismo Ave Comment
  OBI72807  Amsinckia spectabilis var. microcarpa Michael Walgren 2010-4-15 119 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. this newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" . Near pismo Ave Comment
  OBI72808  Chorizanthe angustifolia Michael Walgren 2010-4-15 120 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" Near Pismo Ave, near a stand of Quercus agrifolia Comment
  OBI72809  Nuttallanthus texanus Michael Walgren 2010-4-15 121 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" Near Pismo Ave, near a stand of Quercus agrifolia Comment
  OBI72810  Prunus fasciculata var. punctata Michael Walgren 2010-4-15 122 San Luis Obispo Morro Bay state park, at the eastern terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. Parcel known as "Powell III" Comment
  OBI72811  Layia platyglossa Michael Walgren 2010-4-7 113 San Luis Obispo San Simeon State Park on W side of hwy 1, approx .67 mi S of Arroyo Hondo and 1.05 mi N of Arroyo de los Chinos Comment
  OBI72812  Scirpus microcarpus Michael Walgren 2010-4-30 152 San Luis Obispo Montana de Oro State Park along the Coon Crk Trl, approx 1/4 of the way in from the trl head, in an area where the crk seeps across the trl Comment
  OBI72813  Luzula subsessilis Michael Walgren 2010-3-26 153 San Luis Obispo San Simeon State Park, San Simeon State Park, west of Highway 1, on parcel between Lone Palm Rd. and the town of San Simeon Acres. Comment
  OBI72814  Piperia elegans Michael Walgren 2010-8-9 136 San Luis Obispo Along a dirt rd on the Pacific Gas and Electric Diablo Cyn property, on a rd cut along the S ridge that parallels Coon crk 396 Comment
  OBI72815  Solidago spathulata Michael Walgren 2010-8-9 137 San Luis Obispo Along a dirt rd n the Pacific Gas and Electric Diablo cyn property, on a rd cut along the S ridge that parallels Coon crk 396 Comment
  OBI72816  Lupinus microcarpus var. microcarpus Michael Walgren 2008-6-21 138 San Luis Obispo Near Los Osos. Roadside on Turri rd approx. 1.5 mi inland from So bay Blvd Comment
  OBI72817  Madia gracilis Michael Walgren 2010-4-29 139 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn Rd Comment
  OBI72818  Logfia gallica Michael Walgren 2010-4-29 140 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 279 Comment
  OBI72819  Silene gallica Michael Walgren 2010-4-29 141 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn rd 301 Comment
  OBI72820  Stachys bullata Michael Walgren 2010-4-29 142 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisitionknown as the 160 acre "Basseri" property at 4840 See Canyon Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn Rd. Inland portion of proeprty on inland side of See Cyn Rd 301 Comment
  OBI72821  Vaccinium ovatum Michael Walgren 2010-4-29 144 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 301 Comment
  OBI72824  Bromus carinatus Michael Walgren 2010-4-30 146 San Luis Obispo Montana de Oro State Park along the Coon Crk Trl. Approx 1/3 of the way in from the trailhead Comment
  OBI72825  Lastarriaea coriacea Michael Walgren 2010-6-4 154 San Luis Obispo Morro Bay State Park on the NW side of Black Hill. In an opening along a trl Comment
  OBI72826  Cyperus eragrostis Michael Walgren 2010-8-18 155 San Luis Obispo Morro Strand State Beach; in N Morro Bay. W of and between, the Cloisters housing development streets of Indigo Cir and Emerald Cir Comment
  OBI72827  Chorizanthe angustifolia Michael Walgren 2010-6-4 156 San Luis Obispo Morro Bay State Park on the NW side of Black Hill. In an opening along a trl Comment
  OBI72828  Clarkia purpurea subsp. quadrivulnera Michael Walgren 2010-6-5 157 San Luis Obispo Morro Bay State Park on Upper State Park Rd near the intersection with Black Mtn Rd. Along the rd edge E of the golf the clubhouse 55 Comment
  OBI72829  Boykinia occidentalis Michael Walgren 2010-8-19 159 San Luis Obispo The first crk N of San Carpoforo Crk. Along crk banks in seeps within 100 m inland of the hwy 1 culvert over this crk Comment
  OBI72830  Salix sitchensis Michael Walgren 2010-8-19 160 San Luis Obispo On immediate edge of the first crk N of San Carpoforo Crk, within 100m inland of they hwy 1 culvert over this crk Comment
  OBI72831  Hoita macrostachya Michael Walgren 2010-8-19 161 San Luis Obispo On immed edge of the first crk N of San Carpoforo Crk within 100 m inland of the hwy one culvert over this crk Comment
  OBI72832  Datisca glomerata Michael Walgren 2010-8-12 162 San Luis Obispo San Simeon State Park in crk bed of San Carpoforo Crk, W of hwy 1 Comment
  OBI72833  Deinandra corymbosa Michael Walgren 2010-8-13 163 San Luis Obispo San Simeon State park on bluff immed S of Arroyo de la Cruz; W of hwy 1 Comment
  OBI72834  Gamochaeta ustulata Michael Walgren 2010-4-29 143 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn Rd 301 Comment
  OBI72844  Chenopodium murale Michael Walgren 2010-4-30 147 San Luis Obispo Audubon Sweet Springs Preserve, Los Osos. Along the rd edge on Ramona St between 4th St and Broderson St Comment
  OBI72846  Arthrocnemum subterminale Michael Walgren 2010-4-30 149 San Luis Obispo Audubon Sweet Springs Preserve, Los Osos; W of the boardwalk t Broderson St. Along the rd edge on Ramona St between 4th St and Broderson St Comment
  OBI72847  Monardella villosa Michael Walgren 2010-8-13 150 San Luis Obispo Hwy 1 rd cut SE base of bridge over Arroyo de la Cruz. At the top of the rd cut adj to ranch fencing and under/on edge of coastal scrub Comment
  OBI72848  Heliotropium curassavicum Michael Walgren 2010-8-13 151 San Luis Obispo At the mouth of Arroyo de la Cruz Comment
  OBI72849  Verbena lasiostachys Michael Walgren 2010-8-19 158 San Luis Obispo Along the first crk N of San Carpoforo Crk. Along crk banks within 100 m inland of the Hwy One culvert over this crk Comment
  OBI72971  Rumex acetosella Michael Walgren 2010-4-14 108 San Luis Obispo San Simeon state Park, W of hwy 1, on parcel between Lone Palm Rd and the town of San Simeon Acres. Near the N edge of the central un-named drainage; 30 m from hwy 1 Comment
  OBI73246  Atriplex leucophylla Michael Walgren 2010-9-18 164 San Luis Obispo Estero Bluffs state park, 1.56 mi W of Cayucos Crk, S of hwy 1; at mouth of San Geronimo Crk Comment
  OBI73247  Tetragonia tetragonoides Michael Walgren 2010-9-18 165 San Luis Obispo Estero Bluffs State Park, 1.56 mi W of Cayucos Crk, S of hwy 1, at mouth of San Geronimo Crk Comment
  OBI73248  Frankenia salina Michael Walgren 2010-9-18 166 San Luis Obispo Estero Bluffs state park, 1.56 mi W of Cayucos crk, S of hwy 1 at mouth of San Geronimo crk Comment
  OBI73249  Suaeda californica Michael Walgren 2010-1 San Luis Obispo Comment
  OBI73250  Cakile maritima Michael Walgren 2010-9-18 168 San Luis Obispo Estero Bluffs state park, 1.56 mi W of Cayucos Crk, S of hwy 1, at mouth of San Geronimo Crk Comment
  OBI73251  Distichlis spicata Michael Walgren 2010-9-18 169 San Luis Obispo Estero Bluffs State Park, 1.56 mi W of Cayucos Crk, S of Hwy 1, at mouth of San Geronimo Crk Comment
  OBI73252  Atriplex prostrata Michael Walgren 2010-9-18 170 San Luis Obispo Estero Bluffs state park, 1.56 mi W of Cayucos Crk, S of hwy 1; at mouth of San Geronimo Crk Comment
  OBI73253  Conium maculatum Michael Walgren 2010-9-18 171 San Luis Obispo Estero Bluffs State Park, 1.56 mi W of Cayucos Crk, S of hwy 1, at mouth of San Geronimo Crk Comment
  OBI73254  Isocoma menziesii var. sedoides Michael Walgren 2010-9-18 172 San Luis Obispo Estero Bluffs state park, 1.56 mi W of Cayucos Crk, S of hwy 1, at mouth of San Geronimo Crk Comment
  OBI73255  Baccharis glutinosa Michael Walgren 2010-9-18 173 San Luis Obispo Estero Bluffs State Park, 1.56 mi W of Cayucos Crk, S of hwy 1 Comment
  OBI73256  Populus fremontii subsp. fremontii Michael Walgren 2010-9-18 174 San Luis Obispo Estero Bluffs State Park, 1.56 mi W of Cayucos Crk, S of hwy 1 Comment
  OBI73257  Nasturtium officinale Michael Walgren 2010-9-18 175 San Luis Obispo Estero Bluffs state park, 1.56 mi W of Cayucos Crk, S of hwy 1 Comment
  OBI73258  Croton setiger Michael Walgren 2010-9-7 176 San Luis Obispo Vicinity of San Simeon State Park, on San Simeon Point Comment
  OBI73259  Senecio elegans Michael Walgren 2010-9-7 177 San Luis Obispo Vicinity of San Simeon State Park, on San Simeon Point; on the W side of the point Comment
  OBI73260  Artemisia dracunculus Michael Walgren 2010-9-7 178 San Luis Obispo Vicinity of San Simeon State Park, on San Simeon Point Comment
  OBI73261  Eriogonum parvifolium Michael Walgren 2010-8-13 179 San Luis Obispo San Simeon State Park Comment
  OBI73262  Erigeron glaucus Michael Walgren 2010-8-13 180 San Luis Obispo San Simeon State park, on bluff immed S of Arroyo de la Cruz Comment
  OBI73263  Astragalus nuttallii var. nuttallii Michael Walgren 2010-8-13 181 San Luis Obispo San Simeon State Park Comment
  OBI73264  Symphyotrichum chilense Michael Walgren 2010-9-27 182 San Luis Obispo Vicinity of Los Osos along Los Osos Valley rd near, and W of Clark Valley rd Comment
  OBI73265  Horkelia californica var. californica Michael Walgren 2010-8-16 183 San Luis Obispo San Simeon State park, between Arroyo Honda and Arroyo de los Chinos, just S of Breaker Point Comment
  OBI73266  Euthamia occidentalis Michael Walgren 2010-9-28 184 San Luis Obispo San Simeon State Park on the N edge of the crk bed at San Carpoforo Crk, w of hwy 1 Comment
  OBI73267  Ambrosia psilostachya Michael Walgren 2010-9-26 185 San Luis Obispo San Simeon State Park on a low bluff above the beach at Broken Bridge Crk, W of San Simeon Point Comment
  OBI73268  Pinus torreyana Michael Walgren 2010-9-20 186 San Luis Obispo Pismo state Beach, in dunes immediately W of the Oceano Campground off Pier Ave Comment
  OBI73269  Acacia longifolia Michael Walgren 2010-9-20 187 San Luis Obispo Pismo State Beach, in dunes immediately W of the Oceano Campground off Pier Ave Comment
  OBI73275  Salix exigua Michael Walgren 2010-9-28 189 San Luis Obispo San Simeon State Park along the crk bed and creek edges at San Carpoforo Crk, W of hwy 1 Comment
  OBI73276  Euphorbia lathyris Michael Walgren 2010-8-20 190 San Luis Obispo US Forest Svc property on N side of San Carpoforo Crk on W side of hwy 1 Comment
  OBI73278  Carex spissa Michael Walgren 2010-1 San Luis Obispo Comment
  OBI73279  Linum bienne Michael Walgren 2010-9-30 193 San Luis Obispo San Simeon State Park, in an artificial drainage created by an ag berm, on the N edge of the wetlands at Arroyo de la Cruz Comment
  OBI74482  Portulaca oleracea Michael Walgren 2010-9-15 188 San Luis Obispo Los Osos residential; 1298 Los Olivos near intersection with Fairchild Way Comment
  OBI74986  Pterostegia drymarioides Michael Walgren 2011-3-3 218 San Luis Obispo Los Osos Oaks state reserve off Los Osos Valley rd near Los Osos. 48 Comment
  OBI74987  Thysanocarpus curvipes Michael Walgren 2011-3-3 217 San Luis Obispo Los Osos State Reserve off Los Osos Valley Rd near Los Osos Comment
  OBI74988  Juncus occidentalis Michael Walgren 2011-3-1 215 San Luis Obispo Caltrans right of way along hwy 1 at San Simeon State park, between Cambria and San Simeon Acres 13 Comment
  OBI74989  Camissonia ovata Michael Walgren 2011-3-1 214 San Luis Obispo Caltrans right of way along hwy 1 at San Simeon State park, between Cambria and San Simeon Acres 13 Comment
  OBI74990  Cardamine oligosperma Michael Walgren 2011-3-1 213 San Luis Obispo Cal Trans right of way along hwy 1 at San Simeon State Park, between Cambria and San Simeon Acres 13 Comment
  OBI74991  Ruppia cirrhosa Michael Walgren 2010-9-10 211 San Luis Obispo Estero Bluffs State Park, 1.56 mi W of Cayucos Crk, S of hwy 1 in San Geronimo Crk Comment
  OBI74992  Artemisia biennis Michael Walgren 2010-10-11 210 San Luis Obispo Green Valley, south of Cambria, N of hwy 46, and N of Monte Cristo Place. 23 Comment
  OBI74993  Malvella leprosa Michael Walgren 2010-10-11 209 San Luis Obispo Along Perry Crk in Green Valley, S of CAmbria and N of hwy 46 23 Comment
  OBI75010  Oxalis purpurea Michael Walgren 2011-3-5 216 San Luis Obispo Inland Cabria at the Camp KEEP ball field near the northern terminus of Ashley St off of Weymouth St. Comment
  OBI75011  Pedicularis densiflora Michael Walgren 2011-1-28 194 San Luis Obispo Diablo Canyon Power Plant, on a road above Coon Crk near the boundary with Montana de Oro State Park. 400 Comment
  OBI75012  Ceanothus papillosus Michael Walgren 2011-1-28 195 San Luis Obispo Diablo Canyon Power Plant, on a firebreak near a ridge road above coon Creek near the boundary with Montana de Oro State Park 413 Comment
  OBI75013  Sanicula arguta Michael Walgren 2011-2-12 196 San Luis Obispo Private propoerty onEastern boundary of Morro Bay State Park 182 Comment
  OBI75014  Pedicularis densiflora Michael Walgren 2011-2-12 197 San Luis Obispo Private propoerty onEastern boundary of Morro Bay State Park 110 Comment
  OBI75015  Pedicularis densiflora Michael Walgren 2011-2-12 198 San Luis Obispo Private propoerty onEastern boundary of Morro Bay State Park 80 Comment
  OBI75016  Stellaria media Michael Walgren 2011-2-17 199 San Luis Obispo Sweet Springs Preserve in Los Osos Comment
  OBI75017  Delairea odorata Michael Walgren 2011-2-17 201 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 20 Comment
  OBI75018  Marah fabacea Michael Walgren 2011-2-17 202 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 Comment
  OBI75019  Mimulus aurantiacus Michael Walgren 2011-2-17 203 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 Comment
  OBI75020  Acmispon glaber Michael Walgren 2011-2-17 204 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 Comment
  OBI75021  Rubus ursinus Michael Walgren 2011-2-24 205 San Luis Obispo San Simeon State Park. Along the banks of the first creek S of Arroyo de los Chinos, W of hwy 1. 15 Comment
  OBI75022  Cotula coronopifolia Michael Walgren 2011-2-24 207 San Luis Obispo San Simeon State park. Along the first crk S of Arroyo de los Chinos, W of hwy 1 15 Comment
  OBI75023  Helminthotheca echioides Michael Walgren 2011-2-24 208 San Luis Obispo San Simeon State park. Along the first crk S of Arroyo de los Chinos, W of hwy 1 15 Comment
  OBI75024  Ceanothus cuneatus var. fascicularis Michael Walgren 2011-2-17 200 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 Comment
  OBI75078  Sanicula arctopoides Michael Walgren 2011-4-12 219 San Luis Obispo San Simeon State Park; At the mouth of the first un-named creek downcoast of Oak Knoll creek, N of San Simeon Point Comment
  OBI75079  Trifolium angustifolium Michael Walgren 2011-4-15 220 San Luis Obispo San Simeon State park Comment
  OBI75080  Emex spinosa Michael Walgren 2011-4-18 221 San Luis Obispo Morro Bay State Park, along Lower State park Rd in the city of Morro Bay Comment
  OBI75081  Arctostaphylos pechoensis Michael Walgren 2011-2-25 222 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See cyn rd. near a home 292 Comment
  OBI75082  Ranunculus californicus Michael Walgren 2011-2-25 223 San Luis Obispo Irish Hills, Montana de Oro State park. New Property acquisition known as the "Andre" property about 1/3 of a mi SE of the jctn of See Canyon Rd with Perfumo Cyn rd 342 Comment
  OBI75083  Beta vulgaris subsp. maritima Michael Walgren 2011-4-22 224 San Luis Obispo Morro Strand State beach, on dunes near the entrance kiosk to the campground at Yerba Buena St. Comment
  OBI75084  Emmenanthe penduliflora Michael Walgren 2011-4-27 225 San Luis Obispo Pacific Gas and electric Diablo Nuclear Facility Comment
  OBI75085  Eucrypta chrysanthemifolia var. chrysanthemifolia Michael Walgren 2011-4-27 226 San Luis Obispo Pacific Gas and electric Diablo Nuclear Facility Comment
  OBI75086  Apiastrum angustifolium Michael Walgren 2011-4-27 227 San Luis Obispo Pacific Gas and electric Diablo Nuclear Facility Comment
  OBI75087  Eschscholzia caespitosa Michael Walgren 2011-4-27 228 San Luis Obispo Pacific Gas and electric Diablo Nuclear Facility Comment
  OBI75088  Gilia achilleifolia subsp. achilleifolia Michael Walgren 2011-4-27 229 San Luis Obispo Pacific Gas and Electric Diablo Nuclear Facility Comment
  OBI75089  Logfia filaginoides Michael Walgren 2011-4-27 230 San Luis Obispo Pacific Gas and electric Diablo Nuclear Facility Comment
  OBI75090  Bellardia trixago Michael Walgren 2011-5-2 231 San Luis Obispo Hwy 1 road edge on the inland side of the road between Pico Point and San Simeon Point. Comment
  OBI75091  Castilleja densiflora subsp. obispoensis Michael Walgren 2011-5-2 232 San Luis Obispo Estero Bluffs state park, W of Cayucos, in the area of Cayucos POint Comment
  OBI75092  Zeltnera davyi Michael Walgren 2011-5-2 233 San Luis Obispo Estero Bluffs State Park, W of Cayucos Comment
  OBI75093  Epipactis gigantea Michael Walgren 2011-5-3 234 San Luis Obispo Northern coastal county, along hwy 1 at the first creek N of San Carpoforo Creek Comment
  OBI75094  Triglochin scilloides Michael Walgren 2011-5-4 235 San Luis Obispo West side of Hwy 1 adjacent to hwy in the first un-named creek downcoast from Point Piedras Blancas Comment
  OBI75095  Lepechinia calycina Michael Walgren 2011-5-4 236 San Luis Obispo Northern coastal county, S of San Carpoforo Crk, near the NW corner of the bluff 33 Comment
Read comments
Jan 20 2013
  OBI75096  Hesperocnide tenella Michael Walgren 2011-3-3 237 San Luis Obispo Los Osos Oaks state Reserve, Los Osos. Comment
  OBI75097  Urtica urens Michael Walgren 2011-3-3 238 San Luis Obispo Los Osos, at a residence at 9th St. and El Moro Comment
  OBI75098  Carex nudata Michael Walgren 2011-3-3 239 San Luis Obispo Perfumo Canyon. Adjacent to Perfumo Crk rd at a pullout 1.2 mi from Los Osos Valley rd Comment
  OBI75099  Quercus durata Michael Walgren 2011-2-2 240 San Luis Obispo Perfumo Canyon. forming a dense stand on the south side of the road above a small creek and waterfall. Adjacent to Perfumo crk rd at a pulout 1.2 mi from Los Osos Valley rd Comment
  OBI75100  Pholistoma auritum var. auritum Michael Walgren 2011-3-3 241 San Luis Obispo Los Osos Oaks state Reserve, Los Osos. Comment
  OBI75101  Arctostaphylos pechoensis Michael Walgren 2011-2-25 242 San Luis Obispo Irish HIlls, Montana de Oro State Park. New property acquisition known as the "Andre" property just S of where Coon crk hits Perfumo Cyn rd, near the jctn with See Cyn rd 330 Comment
  OBI75102  Ceanothus thyrsiflorus var. thyrsiflorus Michael Walgren 2011-2-24 206 San Luis Obispo San Simeon State Park. Along the banks of the first creek S of Arroyo de los Chinos, W of hwy 1. 15 Comment
  OBI75233  Navarretia atractyloides Michael Walgren 2011-8-12 251 San Luis Obispo Callendar Dunes along Hwy 1 N of Callendar rd and E of hwy 1 Comment
  OBI75234  Nicotiana acuminata var. multiflora Michael Walgren 2011-8-1 252 San Luis Obispo Chorro Crk bed of Morro Bay at the Bridge just S of Lower State park rd along South Bay blvd Comment
  OBI75235  Persicaria punctata Michael Walgren 2011-8-1 253 San Luis Obispo Santa Maria River under the hwy 1 bridge at the northern end of Guadalupe Comment
  OBI75236  Penstemon centranthifolius Michael Walgren 2011-8-12 255 San Luis Obispo Callendar Dunes along Hwy 1 N of Callendar rd and E of hwy 1 Comment
  OBI75237  Anagallis minima Michael Walgren 2011-8-12 256 San Luis Obispo San Simeon State park campground Comment
  OBI75238  Emex spinosa Michael Walgren 2011-6-22 257 San Luis Obispo Vacant lot and along a paved walkway between the "Cloisters" housing development and the dunes, originating at the parking lot at the western terminus of Azure St. MOrro Strand State Beach in N Morro Bay Comment
  OBI75239  Sparganium eurycarpum Michael Walgren 2011-8-12 258 San Luis Obispo Alva Paul crk at the southern end of the Morro Strand State Beach campground in N Morro Bay. Locatedbetween the campground, Hatteras St., Java St., and Sandalwood Ave. Comment
  OBI75240  Persicaria amphibia Michael Walgren 2011-8-7 259 San Luis Obispo First unnamed first creek ("Tortuga Crk") W of San Simeon Point Comment
  OBI75241  Senecio flaccidus var. douglasii Michael Walgren 2011-8-12 261 San Luis Obispo Santa Maria River at hwy 1 among the rip-rap on the SE corner Comment
  OBI75242  Epilobium densiflorum Michael Walgren 2011-8-7 260 San Luis Obispo San Carpoforo Crk west of Hwy 1 Comment
  OBI75286  Sparganium eurycarpum Michael Walgren 2011-5-25 245 San Luis Obispo San Simeon State park along the first un-named crk ("Tortuga crk") upcoast from San Simeon Point Comment
  OBI75287  Emex spinosa Michael Walgren 2011-5-23 246 San Luis Obispo Montana de Oro state park, near the mouth of Islay crk Comment
  OBI75288  Persicaria lapathifolia Michael Walgren 2011-8-12 247 San Luis Obispo Santa Maria River under Hwy 1 bridge at the northen end of Guadalupe Comment
  OBI75289  Asclepias fascicularis Michael Walgren 2011-8-11 248 San Luis Obispo San Carpoforo Crk west of Hwy 1 Comment
  OBI75325  Hypericum perforatum Michael Walgren 2011-8-11 249 San Luis Obispo Western road bank of hwy 1 at Leffingwell Crk in northern Cambria Comment
  OBI75326  Verbascum virgatum Michael Walgren 2011-8-12 250 San Luis Obispo Lot cleared for development in the Nipomo Mesa area. Found along Willow Rd, .3 mi E of hwy 1 and on the north side of Willow rd Comment
  OBI75370  Rumex salicifolius Michael Walgren 2011-5-25 244 San Luis Obispo San Simeon State Park along a trail in a disturbed grassland. About 30 m from the dunes and 30 m from Tortuga Crk which is the first unnamed crk upcoast of San Simeon Point. Comment
  OBI75372  Persicaria punctata Michael Walgren 2011-5-26 243 San Luis Obispo San Simeon state park near Arroyo del Corral, between Piedras Blancas Point and Arroyo de la Cruz. Plants form a population on the edge of a pond formed on the ocean side of a Caltrans hwy 1 culvert at the first crk downcoast of Arroyo del Corral. This unnamed crk is about 100 m downcoast of the mouth of Arroyo del Corral Comment
  OBI75437  Kickxia elatine Michael Walgren 2011-9-28 254 San Luis Obispo At Montana de Oro State Park at an old homestead site and parkingarea just N of Spponer's Cove and W of Pecho Valley rd Comment
  OBI76600  Holocarpha heermannii Michael Walgren 2007-8-27 263 San Luis Obispo San Simeon State Park along the ocean side of Hwy One between Pico Point and San Simeon Point; about 1/4 mi downcoast of Broken bridge crk Comment
  OBI76601  Pennisetum villosum Michael Walgren 2011-12-10 264 San Luis Obispo Montana de Oro State Park campground Comment
  OBI76602  Uropappus lindleyi Michael Walgren 2012-4-19 271 San Luis Obispo Immediately W of the crest on Hwy One at Cayucos, between hwy One and Whale Rock Reservoir Comment
  OBI76603  Layia platyglossa Michael Walgren 2012-4-19 270 San Luis Obispo Immediately W of the crest on Hwy One at Cayucos, between hwy One and Whale Rock Reservoir Comment
  OBI76604  Clarkia unguiculata Michael Walgren 2012-4-19 269 San Luis Obispo Immediately W of the crest on Hwy One at Cayucos, between hwy One and Whale Rock Reservoir Comment
  OBI76605  Gilia capitata Michael Walgren 2012-4-16 268 San Luis Obispo Near the inland terminus of Thunder Cyn Rd, which runs N-E off of Cayucos Crk Rd, Cayucos Comment
  OBI76606  Erigeron philadelphicus var. philadelphicus Michael Walgren 2012-4-16 267 San Luis Obispo Between the intersection of Cayucos Crk Rd and Picachio Rd and 1.5 mi in on Picachio Rd, Cayucos Comment
  OBI76607  Thermopsis californica var. californica Michael Walgren 2012-4-16 266 San Luis Obispo On Picachio Rd, which is off Cayucos Crk rd, Cayucos. About 1.5 mi from the jctn with Cayucos Crk rd, and on the SW side of Picachio Rd Comment
  OBI76608  Limonium duriusculum Michael Walgren 2011-7-15 265 San Luis Obispo Morro Strand State Beach, immediately S of Alva Paul Crk Comment
  OBI76609  Chorizanthe membranacea Michael Walgren 2012-3-27 273 San Luis Obispo Ridgeline of the Santa Lucias about .5 mi N of San Carpoforo. Near Bald Top Mtn 723 Comment
  OBI76610  Setaria parviflora Michael Walgren 2012-5-28 280 San Luis Obispo In Los Osos along the S side of Los Olivos Rd between Fairchild and Eight St Comment
  OBI76611  Romulea rosea Mike Walgren 2012-1-18 279 San Luis Obispo San Simeon State Park, Off Van Gordon Crk Rd near the town of San Simeon Acres Comment
Read comments
Oct 30 2013
  OBI76622  Myriopteris intertexta Michael Walgren 2012-9-20 285 San Luis Obispo Off Old Crk Rd near Cayucos, on Montecito Rd, roughly two mi E of its jctn with Old Crk rd 129 Comment
  OBI76811  Persicaria maculosa Michael Walgren 2012-5-28 274 San Luis Obispo In Los Osos along the S side of Los Olivos Rd between Fairchild and Eight St. Also at SW corner of Fairchild and Los Olivos Comment
  OBI77267  Echinochloa colona Michael Walgren 2012-9-16 288 San Luis Obispo At the mouth of Santa Rosa crk, Cambria 2 Comment
  OBI77270  Crypsis schoenoides Michael Walgren 2012-9-16 289 San Luis Obispo At the mouth of Santa Rosa crk, Cambria 2 Comment
  OBI77273  Polystichum dudleyi Michael Walgren 2012-12-20 292 San Luis Obispo Near the northern coastal boundary of San Luis Obispo County. Both sides of hwy 1 at the last creek before the county line. 30 m inland from hwy 1 on the shaded creek edge. 172 Comment
  OBI77316  Iris pseudacorus Michael Walgren 2012-9-16 286 San Luis Obispo Intersection of hwy 1 and hwy 46 S of Cambria in Green Valley. On the SW corner of the intersection 33 Comment
  OBI77317  Sparganium eurycarpum var. greenei Michael Walgren 2012-9-16 287 San Luis Obispo SW edge of the mouth of Santa Rosa Crk, Cambria. Adj to Shamel Cnty park 2 Comment
  OBI77318  Chloris gayana Michael Walgren 2012-10-9 290 San Luis Obispo Sw corner of the intersection of Hwy 1 and Cambria Pines rd in N Cambria. Between Moonstone hotels and the hwy on the hwy right of way 13 Comment
  OBI77319  Eleusine tristachya Michael Walgren 2012-10-24 291 San Luis Obispo Morro Strand State Beach campground, City of Morro Bay 4 Comment
  OBI77957  Tragopogon porrifolius Michael Walgren 2013-4-15 296 San Luis Obispo Near Cayucos, roadside on a private ranch on Montecito Rd off of Old Crk Rd. About 1.25 mi in from Old Crk rd 92 Comment
  OBI78007  Geranium incanum Michael Walgren 2013-3-20 293 San Luis Obispo Morro Bay, in the dunes adj to the campgrund at Morro Strand state beach 4 Comment
  OBI78008  Emex spinosa Michael Walgren 2013-4-4 292 San Luis Obispo Morro Bay, at the parking lot at the top of Black hill in Morro Bay state park 146 Comment
  OBI78009  Emex spinosa Michael Walgren 2013-4-16 291 San Luis Obispo Los Osos, roadside along Los Osos Valley rd. On the N side of rd between Broderson and Palisades sts. 32 Comment
  OBI78026  Isoetes orcuttii Michael Walgren 2013-3-19 294 San Luis Obispo San Simeon State Park, near upper campground 60 Comment
  OBI78028  Pilularia americana Michael Walgren 2013-3-19 295 San Luis Obispo San Simeon State Park, near the upper campground 60 Comment
  OBI78156  Polypodium californicum Michael Walgren 2013-2-6 297 San Luis Obispo N coast, at the last crk (unnamed) before the N county line. At least about 30 m E of hwy 1 on the banks of a stream 32 Comment
  OBI78157  Polypodium californicum Michael Walgren 2013-2-6 298 San Luis Obispo Harmony Headlands State Park 53 Comment
  OBI78158  Polypodium calirhiza Michael Walgren 2013-2-7 299 San Luis Obispo City of Morro Bay. Along Little Morro Crk Rd, .35 mi E of Radcliff Rd 13 Comment
  OBI78159  Polypodium californicum Michael Walgren 2013-2-7 300 San Luis Obispo City of Morro Bay on the E side of Morro rock, on the lower steep slopes 9 Comment
  OBI78161  Polypodium californicum Michael Walgren 2011-1 295 San Luis Obispo Just outside Montana de Oro State Pard on PG & E land on the rd at the top of the southern ridge of Coon Crk 404 Comment
  OBI78671  Polypodium calirhiza Michael Walgren 2013-2-6 296 San Luis Obispo Between Cambria and Highway 46, on a road west of Highway 1, named Monte Cristo Place. On a north-facing slope about 200 meters west of Highway One. 32 Comment
  OBI78728  Salix melanopsis Michael Walgren 2013-9-13 335 San Luis Obispo Creek bed of Arroyo de la Cruz west of Highway One 14 Comment
  OBI78731  Tribulus terrestris Michael Walgren 2013-9-13 331 San Luis Obispo Los Osos along Los Olivos near the intersection with Fairchild 38 Comment
  OBI78733  Salix exigua Michael Walgren 2013-9-13 334 San Luis Obispo Creek bed of San Carpoforo Creek west of Highmway One 38 Comment
  OBI78734  Polygonum paronychia Michael Walgren 2013-1 333 San Luis Obispo Montana del Oro State Park at the uppper Shark's Inlet area 29 Comment
  OBI78736  Dipsacus fullonum Michael Walgren 2013-8-13 332 San Luis Obispo Highway One in Green Valley between Highway 46 and Cambria, on the inland side of the road 25 Comment
  OBI78748  Salix sitchensis Michael Walgren 2013-9-18 339 San Luis Obispo Northern coastal county, at the first creek north of San Carpoforo Cr., on both sides of Highway One. 49 Comment
  OBI78751  Aralia californica Michael Walgren 2013-9-18 338 San Luis Obispo Northern coastal county, at the first creek north of San Carpoforo Cr., on both sides of Highway One. 38 Comment
  OBI78752  Boykinia occidentalis Michael Walgren 2013-9-18 337 San Luis Obispo Northern coastal county, at the first creek north of San Carpoforo Cr., on both sides of Highway One. 38 Comment
  OBI78753  Layia jonesii Michael Walgren 2014-4-8 366 San Luis Obispo Cayucos, on the south side of Whale Rock reservoir, about .4 miles from Old Creek Rd. 75 Comment
  OBI78754  Layia jonesii Michael Walgren 2014-4-6 365 San Luis Obispo Chevron Oil Company about 1/4 mile east of Del Mar Park in the City of Morro Bay 98 Comment
  OBI78755  Layia jonesii Michael Walgren 2014-4-5 364 San Luis Obispo Morro Bay north of intersection of Quintana Rd. and Highway 1. 49 Comment
  OBI78756  Rhus integrifolia Michael Walgren 2014-3-25 362 San Luis Obispo Coastal bluff on northern edge of mouth of San Simeon Cr. 5 Comment
  OBI78758  Senecio aphanactis Michael Walgren, Kerry Knudsen 2014-4-15 381 San Luis Obispo Chevron Oil Company property at the peak of a hill at the end of north Morro Bay. 163 Comment
  OBI78759  Sabulina douglasii Michael Walgren, Kerry Knudsen 2014-4-15 382 San Luis Obispo Chevron Oil Company property at the peak of a hill at the end of north Morro Bay. 163 Comment
  OBI78760  Gilia clivorum Michael Walgren 2014-4-5 379 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 98 Comment
  OBI78761  Delphinium parryi Michael Walgren 2014-4-14 399 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 126 Comment
  OBI78762  Lathyrus vestitus Michael Walgren 2014-4-15 395 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 171 Comment
  OBI78763  Phacelia distans Michael Walgren 2014-4-14 400 San Luis Obispo Chevron Oil Company property at the peak of a hill at the end of north Morro Bay. 163 Comment
  OBI78764  Apiastrum angustifolium Michael Walgren 2014-4-14 398 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 84 Comment
  OBI78765  Astragalus gambelianus Michael Walgren 2014-4-14 397 San Luis Obispo Cayucos, on a north facing slope east of Highway One and south of Old Creek Rd. 68 Comment
  OBI78766  Caulanthus lasiophyllus Michael Walgren 2014-4-14 396 San Luis Obispo Cayucos, on a north facing slope east of Highway One and south of Old Creek Rd. 68 Comment
  OBI78767  Convolvulus simulans Michael Walgren, Kerry Knudsen 2014-4-13 394 San Luis Obispo Chevron Oil Company property in a field about .2 miles east Del Mar Park in the City of Morro Bay. 82 Comment
  OBI78768  Leptosiphon parviflorus Michael Walgren 2014-4-10 393 San Luis Obispo Chevron Oil Company property 1.2 miles east of Del Mar Park in the City of Morro Bay. 111 Comment
  OBI78769  Sanicula arguta Michael Walgren 2014-4-5 380 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 98 Comment
  OBI78770  Platystemon californicus Michael Walgren 2014-4-5 378 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 98 Comment
  OBI78771  Lomatium dasycarpum Michael Walgren 2014-4-5 377 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 98 Comment
  OBI78772  Lasthenia gracilis Michael Walgren 2014-4-8 376 San Luis Obispo Along the southern CalTrans easement of Highway One between Cayucos and Villa Creek. 65 Comment
  OBI78773  Leptosiphon parviflorus Michael Walgren 2014-4-10 375 San Luis Obispo Chevron Oil Company property about 0.12 miles east of Del Mar Park in the City of Morro Bay. 65 Comment
  OBI78774  Astragalus curtipes Michael Walgren 2014-4-5 374 San Luis Obispo Morro Bay north of intersection of Quintana Rd. and Highway 1. 49 Comment
  OBI78775  Astragalus curtipes Michael Walgren 2014-4-6 373 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 98 Comment
  OBI78781  Dudleya blochmaniae Michael Walgren 2014-4-15 392 San Luis Obispo Chevron Oil Company property at the peak of a hill at the end of north Morro Bay. 163 Comment
  OBI78783  Astragalus gambelianus Michael Walgren 2014-4-10 371 San Luis Obispo Roadside in Thuder Canyon, which is off of Cayucos creek road inland from Cayucos. 65 Comment
  OBI78784  Astragalus gambelianus Michael Walgren 2014-4-6 370 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 98 Comment
  OBI78785  Convolvulus simulans Michael Walgren 2014-4-6 368 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 53 Comment
  OBI78786  Eriodictyon californicum Michael Walgren 2014-4-9 367 San Luis Obispo North coastal county at the south side of the mouth of San Carpoforo Cr. on a raised terrace of alluvium supporting coastal scrub. 6 Comment
  OBI78789  Salix melanopsis Michael Walgren 2013-9-13 336 San Luis Obispo Creek bed of San Carpoforo Creek west of Highway 1 38 Comment
  OBI78790  Layia jonesii Michael Walgren 2014-4-14 388 San Luis Obispo Cayucos, on a north facing slope east of Highway 1 and south of Old Creek Rd. 68 Comment
  OBI78791  Layia jonesii Michael Walgren 2014-4-15 389 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 127 Comment
  OBI78798  Crassula multicava Michael Walgren 2014-2-15 361 San Luis Obispo Located west of Highway 1 and about .76 mile (driving distance) north of the San Carpoforo bridge. 85 Comment
  OBI78799  Ageratina adenophora Michael Walgren 2014-4-10 372 San Luis Obispo In the stream bed of San Carpoforo Creek, west of Highway One, near the northern coastal county line. 4 Comment
  OBI78800  Caulanthus lasiophyllus Michael Walgren 2014-4-6 369 San Luis Obispo Chevron Oil Company property about 1/4 mile east of Del Mar Park in the City of Morro Bay. 65 Comment
  OBI78801  Convolvulus simulans Michael Walgren, Kerry Knudsen 2014-4-15 383 San Luis Obispo Chevron Oil Company property in afield east of the intersection of Zanzibar and Tuscan roads. 45 Comment
  OBI78803  Layia jonesii Michael Walgren 2014-4-15 387 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 127 Comment
  OBI78804  Layia jonesii Michael Walgren 2014-4-15 385 San Luis Obispo Chevron Oil Company property in a field .5 miles east of the intersection of Zanzibar and Tuscan roads. 159 Comment
  OBI78805  Layia jonesii Michael Walgren 2014-4-15 386 San Luis Obispo Chevron Oil Company property in a field .7 miles east of the intersection of Zanzibar and Tuscan roads. 130 Comment
  OBI78806  Eleocharis rostellata Michael Walgren 2013-10-22 363 San Luis Obispo Northern coastal county. About 2.5 road miles north of the bridge at Arroyo de la Cruz. 15 Comment
  OBI78807  Dudleya blochmaniae Michael Walgren 2014-4-15 390 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 171 Comment
  OBI78808  Dudleya blochmaniae Michael Walgren 2014-4-15 391 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 64 Comment
  OBI78836  Amsinckia intermedia Michael Walgren 2014-4-30 403 San Luis Obispo San Luis Range along the PG&E access road above Wild Cherry Canyon 359 Comment
  OBI78837  Gilia achilleifolia Michael Walgren 2014-4-30 402 San Luis Obispo San Luis Range along the PG&E access road above Wild Cherry Canyon 359 Comment
  OBI78838  Mentzelia micrantha Michael Walgren 2014-4-30 401 San Luis Obispo San Luis Range along the PG&E access road above Wild Cherry Canyon 359 Comment
  OBI78851  Polypodium californicum Michael Walgren 2013-2-1 294 San Luis Obispo Cambria. Along Santa Rosa Creek Road, directly across from Cambria High School, 0.6 miles from Main St. 35 Comment
  OBI78860  Calandrinia breweri Michael Walgren 2013-2-19 304 San Luis Obispo Black Hill, on the south face, where a burn occurred in coastal scrub in November 2012. Morro Bay State Park in the City of Morro Bay. 86 Comment
  OBI78861  Berberis pinnata Michael Walgren 2013-2-6 301 San Luis Obispo Harmony Headlands State Park. 53 Comment
  OBI78862  Acacia longifolia Michael Walgren 2012-12-22 293 San Luis Obispo Morro Dunes along Coleman Drive, in the City of Morro Bay near Morro Rock. 7 Comment
  OBI78866  Scutellaria tuberosa Michael Walgren 2013-2-19 303 San Luis Obispo Black Hill, on the south face, where a burn occurred in coastal scrub in 2012. Morro Bay State Park in the City of Morro Bay 86 Comment
  OBI78885  Eucrypta chrysanthemifolia Michael Walgren 2013-2-19 305 San Luis Obispo Black Hill, on the south face, where a burn occurred in coastal scrub in 2012. Morro Bay State Park in the City of Morro Bay 86 Comment
  OBI78892  Clarkia prostrata Michael Walgren 2013-4-15 343 San Luis Obispo Montana de Oro State Park on the ridge of the southern slope above lower Coon Creek. 418 Comment
  OBI78928  Carex harfordii Michael Walgren 2013-10-1 354 San Luis Obispo San Simeon State Park, in a grassland upcoast from the first creek upcoast from San Simeon Point. 18 Comment
  OBI78951  Dipsacus sativus Michael Walgren 2013-10-2 360 San Luis Obispo Along Highway One in Green Valley between Highway 46 and Cambria, on the coastal side of the road. 25 Comment
  OBI78952  Erigeron philadelphicus Michael Walgren 2013-10-4 359 San Luis Obispo San Simeon State Park. At the mouth of Arroyo de la Cruz on a gravel bar in the creek bed. 2 Comment
  OBI78953  Datura wrightii Michael Walgren 2013-10-4 358 San Luis Obispo San Simeon State Park, at the mouth of Arroyo de la Cruz on a gravel bar in the creek bed. 2 Comment
  OBI78954  Persicaria punctata Michael Walgren 2013-10-2 357 San Luis Obispo San Simeon State Park, .37 miles downcoast of the access road to the lighthouse at Point Piedras Blancas and west of Highway One. 18 Comment
  OBI78955  Carex nudata Michael Walgren 2013-10-1 351 San Luis Obispo San Simeon State Park at Arroyo de la Cruz, just west of the Highway One bridge. 11 Comment
  OBI78956  Carex nudata Michael Walgren 2013-10-1 352 San Luis Obispo United States Forest Service land at San Carpoforo Creek, about 300 feet inland from the Highway One bridge. 8 Comment
  OBI78957  Carex barbarae Michael Walgren 2013-10-1 353 San Luis Obispo Morro Bay State Park, in a seep area southwest of Los Osos Middle School in the community of Los Osos. 9 Comment
  OBI78958  Carex barbarae Michael Walgren 2013-10-4 356 San Luis Obispo Private property in eastern Los Osos, vacant land between Eto Lane and Andre Street. 37 Comment
  OBI78963  Maianthemum racemosum Michael Walgren 2013-4-11 340 San Luis Obispo Los Osos Oaks State Reserve in the community of Los Osos. Several plants within the first several hundered feet of the preserve entrance trail at a fork in two trails. 38 Comment
  OBI78964  Chlorogalum purpureum Michael Walgren 2013-1 San Luis Obispo Comment
  OBI78965  Vicia hassei Michael Walgren 2013-5-1 344 San Luis Obispo Montana de Oro State Park on the north facing slope on the southern side of lower Coon Creek watershed. 273 Comment
  OBI78966  Tribulus terrestris Michael Walgren 2013-5-23 347 San Luis Obispo Morro Bay, roadside near the northwest corner of the intersection of Highway One and San Bernardo Creek Road. 15 Comment
  OBI78967  Lathyrus jepsonii Michael Walgren 2013-5-23 348 San Luis Obispo Along Highway One at San Carpoforo Creek in the north county, on the northwest corner of the bridge over the creek. 13 Comment
  OBI78968  Phalaris californica Michael Walgren 2013-5-23 349 San Luis Obispo Along Highway One at San Carpoforo Creek in the north county, on the northwest corner of the bridge over the creek. 13 Comment
  OBI78969  Collomia heterophylla Michael Walgren 2013-5-31 350 San Luis Obispo In the Coon Creek watershed of Montana de Oro State Park. 49 Comment
  OBI79495  Poa diaboli Michael Walgren 2014-4-26 408 San Luis Obispo Along Rattlesnake Flats Trail in Montana de Oro State Park, growing along the trail in a shaded north facing spot. 118 Comment
  OBI79496  Acaena pinnatifida Michael Walgren 2014-5-1 409 San Luis Obispo North coastal county, on a north facing slope east of highway one and immediately south of Arroyo de la Cruz. 22 Comment
  OBI79497  Deinandra fasciculata Michael Walgren 2014-4-23 407 San Luis Obispo Chevron Oil Company land east of Del Mar Park in north Morro Bay, growing in clay soil in grassland along a dirt road 51 Comment
  OBI79498  Ceanothus hearstiorum Michael Walgren 2014-5-1 410 San Luis Obispo North coastal county, on a north facing slope east of highway one and immediately south of Arroyo de la Cruz. 22 Comment
  OBI79499  Allium hickmanii Michael Walgren 2014-5-1 406 San Luis Obispo North coastal county, on a north facing slope east of highway one and immediately south of Arroyo de la Cruz. 22 Comment
  OBI79500  Ceanothus maritimus Michael Walgren 2014-5-1 405 San Luis Obispo North coastal county, on a north facing slope east of highway one and immediately south of Arroyo de la Cruz. 22 Comment
  OBI79511  Eriogonum gracile Michael Walgren 2011-8-12 430 San Luis Obispo Growing in a dense stand road-side along the inland edge of Highway One at a low point in the road in the Black Canyon drainage of the Callendar Dunes. 19 Comment
  OBI79514  Vicia americana Michael Walgren 2014-5-14 424 San Luis Obispo North coastal county, on a north facing slope east of Highway One and immediately south of Arroyo de la Cruz. 22 Comment
  OBI79515  Dudleya blochmaniae Michael Walgren 2014-5-14 421 San Luis Obispo In the serpentine hills inland of the cemetery adjacent to Old Cr, in the town of Cayucos, inland of Highway One. 107 Comment
  OBI79517  Dudleya blochmaniae Michael Walgren 2014-5-14 419 San Luis Obispo Cayucos, on the top of a serpentine hill immediately inland of Highway One at the top of the highway rise. 120 Comment
  OBI79518  Calochortus albus Michael Walgren 2014-5-16 417 San Luis Obispo Rocky Butte, inland of San Simeon Point in the north coastal county. Scattered plants occur on a north facing slope of grassland on both sides of the dirt road leading to Rocky Butte from Hearst Castle. 494 Comment
  OBI79520  Calochortus clavatus Michael Walgren 2014-5-16 418 San Luis Obispo Rocky Butte, inland of San Simeon Point in the north coastal county. Few plants scattered on a north facing slope of grassland along the dirt road leading to Rocky Butte from Hearst Castle. 494 Comment
  OBI79521  Bellardia trixago Michael Walgren 2014-5-16 414 San Luis Obispo Rocky Butte, inland of San Simeon Point in the north coastal county. A small population observed on the road edge and a small grassland opening surrounded by forest. 537 Comment
  OBI79523  Triteleia ixioides Michael Walgren 2014-5-16 415 San Luis Obispo Rocky Butte, inland of San Simeon Point in the north coastal county. Locally abundant and on a north facing slope of grassland on both sides of the dirt road leading to Rocky Butte from Hearst Castle. 494 Comment
  OBI79532  Cuscuta occidentalis Michael Walgren 2014-5-4 425 San Luis Obispo Cayucos, on the peak of a serpentine hill immediately inland of Highway One at the top of the highway rise. 120 Comment
  OBI79534  Allium lacunosum var. lacunosum Michael Walgren 2014-5-4 413 San Luis Obispo Cayucos, on the top of a serpentine hill immediately inland of Highway One at the top of the highway rise. 120 Comment
  OBI79535  Plagiobothrys nothofulvus Michael Walgren 2014-5-16 416 San Luis Obispo Rocky Butte, inland of San Simeon Point in the north coastal county. Scattered plants occur on a north facing slope of grassland on both sides of the dirt road leading to Rocky Butte from Hearst Castle. 494 Comment
  OBI79545  Allium hickmanii Michael Walgren 2014-5-1 411 San Luis Obispo North coastal county, growing in grassland over a wide area near the Piedras Blancas Motel. Collected east of Highway One and adjacent to homes 25 Comment
  OBI79546  Cuscuta californica Michael Walgren 2011-8-11 436 San Luis Obispo Callendar Dunes. in Black Lake Canyon near Highway One. 19 Comment
  OBI79547  Monardella villosa Michael Walgren 2014-5-1 404 San Luis Obispo North coastal county, on a north facing slope east of Highway One and immediately south of Arroyo de la Cruz. 22 Comment
  OBI79549  Agrostis stolonifera Michael Walgren 2008-7-16 435 San Luis Obispo Common and widespread among an introduced Monterey pine forest at Ragged Point, which is just downcoast from San Carpoforo Cr. 11 Comment
  OBI79550  Cryptantha clevelandii Michael Walgren 2014-5-4 426 San Luis Obispo Cayucos, on the peak of a serpentine hill immediately inland of Highway One at the top of the highway rise. 120 Comment
  OBI79553  Layia hieracioides Michael Walgren 2011-8-12 433 San Luis Obispo Common and scattered in sandy soils within a few hundred feet of Highway One in the Callendar Dunes. Located in open lands at a low point in the road in the Black Canyon drainage. 19 Comment
  OBI79556  Barbarea orthoceras Michael Walgren 2011-8-7 428 San Luis Obispo North coastal county. Common in the dry creek bed of San Carpoforo Cr. west of the Highway One bridge. 5 Comment
  OBI79561  Cuscuta subinclusa Michael Walgren 2013-8-7 429 San Luis Obispo Piedras Blancas Lighthouse property 7 Comment
  OBI79660  Chorizanthe palmeri Michael Walgren 2011-8-8 438 San Luis Obispo Growing in rocky areas on the southwest slope of the Hearst Castle area, outside of the castle grounds. 436 Comment
  OBI79711  Streptanthus glandulosus Michael Walgren 2014-5-14 422 San Luis Obispo In the serpentine hills inland of the cemetery adjacent to Old Cr, in the town of Cayucos, inland of Highway One. 107 Comment
  OBI79716  Geranium core-core Michael Walgren 2013-3-27 432 San Luis Obispo Growing alone among roadside weeds in a dirt pullout in Cayucos. In a dirt pullout inland of Highway One at the northbound Cayucos Drive exit. 25 Comment
  OBI79718  Carex obispoensis Michael Walgren 2014-5-1 412 San Luis Obispo North coastal county, few scattered plants growing in a grassland near the Piedras Blancas Motel. Collected east of Highway One and adjacent to homes 25 Comment
  OBI79719  Phalaris californica Michael Walgren 2008-7-16 434 San Luis Obispo Common and widespread among an introduced Monterey pine forest at Ragged Point, which is just downcoast from San Carpoforo Cr 35 Comment
  OBI79726  Cuscuta occidentalis Michael Walgren 2014-5-14 420 San Luis Obispo In the serpentine hills inland of the cemetery adjacent to Old Cr, in the town of Cayucos, inland of Highway One. 107 Comment
  OBI79730  Amsinckia menziesii Michael Walgren 2014-4-24 423 San Luis Obispo In a vacant lot in on the eastern edge of Los Osos, growing in Baywood fine sands. Occasional of the property located at Buckskin and Martingale streets, known as the ?Buckskin property.? 37 Comment
  OBI79738  Quercus suber Michael Walgren 2011-8-8 431 San Luis Obispo Growing roadside in an oak forest at the Hearst Castle grounds. 443 Comment
  OBI81064  Eriodictyon crassifolium Michael Walgren 2015-2-14 446 San Luis Obispo Santa Maria river just west of Highway 101 62 Comment
  OBI81065  Sisymbrium orientale Michael Walgren 2015-2-14 450 San Luis Obispo Santa Maria river just west of Highway 101 62 Comment
  OBI81066  Festuca arundinacea Michael Walgren 2007-5-15 451 San Luis Obispo upcoast from Arroyo de la Cruz 4 Comment
  OBI81067  Gastridium phleoides Michael Walgren 2007-8-15 452 San Luis Obispo San Simeon State Park on the coast side of Highway One between the town of San Simeon Acres and Lone Palm Drive 15 Comment
  OBI81069  Phalaris californica Michael Walgren 2007-6-19 455 San Luis Obispo San Carpoforo Creek west of the bridge of Highway One 3 Comment
  OBI81073  Allium cepa Michael Walgren 2015-7-20 444 San Luis Obispo the salt marsh of the Morro Bay estuary. Located near South Bay Boulevard on the south side of Chorro Creek. 6 Comment
  OBI81085  Ruppia cirrhosa Michael Walgren 2015-10-16 447 San Luis Obispo Cayucos Creek in the town of Cayucos. Growing on the ocean side of the bridge at N Ocean Ave 1 Comment
  OBI81090  Ruppia cirrhosa Michael Walgren 2015-10-9 441 San Luis Obispo mouth of San Geronimo Creek 0 Comment
  OBI81091  Ruppia cirrhosa Michael Walgren 2015-10-17 453 San Luis Obispo Villa Creek adjacent to the sandy beach upcoast of the town of Cayucos 1 Comment
  OBI81095  Delphinium parryi Michael Walgren 2015-2-20 439 San Luis Obispo hills behing Del Mar Park in northern Morro Bay 109 Comment
  OBI81096  Delphinium parryi Michael Walgren 2015-2-24 438 San Luis Obispo development at the western terminus of Teresa Rd. in teh City of Morro Bay. Located north of Huighway One near teh intersection of South Bat Boulevard and Highway One 109 Comment
  OBI81097  Persicaria amphibia Michael Walgren 2014-10-8 427 San Luis Obispo Los Osos, along Turri Road; 1.2 miles east of Los Valley Rd. on teh south side of the road 8 Comment
  OBI81098  Sanicula arctopoides Michael Walgren 2015-2-24 437 San Luis Obispo eastern slope of Broken Bridge Cr., about 1/2 mile west of teh San Simeon Pier 3 Comment
  OBI81099  Plecostachys serpyllifolia Michael Walgren 2014-10-10 440 San Luis Obispo Morro Strand State Beach 6 Comment
  OBI81100  Lepidospartum squamatum Michael Walgren 2015-2-14 442 San Luis Obispo Santa Maria River just west of Highway One 62 Comment
  OBI81101  Erigeron sumatrensis Michael Walgren 2014-12-15 443 San Luis Obispo dirt/gravel road that accesses the Piedras Blancas Lighthouse from Highway One 25 Comment
  OBI81102  Lupinus latifolius Michael Walgren 2015-4-9 445 San Luis Obispo Cambria, on the coast side of Highway One on a steep road cut just downcoast from Santa Rosa Creek 39 Comment
  OBI81178  Salsola australis Michael Walgren 2015-10-21 459 San Luis Obispo Cloisters Housing Development? in the City of Morro Bay 6 Comment
  OBI81179  Dysphania ambrosioides Michael Walgren 2015-10-21 456 San Luis Obispo Santa Rosa Creek in the town of Cambria in San Simeon State Park 3 Comment
  OBI81180  Kickxia elatine Michael Walgren 2015-10-21 457 San Luis Obispo Santa Rosa Creek in the town of Cambria in San Simeon State Park 3 Comment
  OBI81183  Salsola australis Michael Walgren 2015-10-21 458 San Luis Obispo Morro Bay near the creek mouth and the crossing of Embarcadero Road 3 Comment
  OBI81392  Quercus douglasii Michael Walgren 2012-9-9 461 San Luis Obispo San Miguel, Growing in a 40 acre rural property in San Miguel between Wellsona Rd and San Marcos Rd west of Hwy 101 214 Comment
  OBI81397  Trichostema lanceolatum Michael Walgren 2012-9-9 465 San Luis Obispo San Miguel, Growing in a 40 acre rural property in San Miguel between Wellsona Rd and San Marcos Rd west of Hwy 101 214 Comment
  OBI81403  Centromadia pungens Michael Walgren 2012-9-9 463 San Luis Obispo Growing in a 40 acre rural property in San Miguel between Wellsona RD and San Marcos Rd. west of Hwy 101. 214 Comment
  OBI81764  Senna multiglandulosa Michael Walgren 2015-10-29 478 San Luis Obispo Bed of San Carpoforo Creek, about .7 miles east of Highway one. 11 Comment
  OBI82051  Melaleuca nesophila Michael Walgren 2016-3-4 487 San Luis Obispo Pismo State Beach. In dunes immediately west of the Oceano Campground off Pier Ave. 7 Comment
  OBI82052  Astragalus gambelianus Michael Walgren 2016-3-4 491 San Luis Obispo 56 Comment
  OBI82053  Echium candicans Michael Walgren 2016-3-4 495 San Luis Obispo In the town of Los Osos on a roadside along Los Osos Valley road in a vacant lot on the north side of the road between Broderson and Palisades Avenues. 30 Comment
  OBI82058  Leptospermum laevigatum Michael Walgren 2016-3-4 489 San Luis Obispo Pismo State Beach, in dunes immediately west of the Oceano Campground off Pier Ave. A naturalized invasive in backdunes, along with other evasive trees 8 Comment
  OBI82059  Emex spinosa Michael Walgren 2016-3-4 490 San Luis Obispo Well established in several campsites at Pismo State Beach, in the Oceano Campground off Pier Ave. 4 Comment
  OBI82060  Sanicula arguta Michael Walgren 2016-3-4 493 San Luis Obispo Private ranch land located inland of the northern terminus of South Bay Boulevard in the City of Morro Bay. Annual Grassland with several native species persistent. Common and widespread in grasslands and on serpentine soils. 73 Comment
  OBI82061  Gilia clivorum Michael Walgren 2016-3-4 492 San Luis Obispo Private ranch land located inland of the northern terminus of South Bay Boulevard in the City of Morro Bay. Annual Grassland with several native species persistent. Only Observed at this localized location near an isolated willow stand. 56 Comment
  OBI82078  Echium candicans Michael Walgren 2016-3-1 496 San Luis Obispo On US Forest Service land in a field on the northeast portion of the San Carpoforo Creek plain, west of Highway One. 6 Comment
  OBI82178  Phacelia distans Michael Walgren 2016-3-4 494 San Luis Obispo Private ranchland located inland of the northern terminus of South Bay Boulevard in the City of Morro Bay 185 Comment
  OBI82181  Lupinus latifolius var. latifolius Michael Walgren 2016-3-9 497 San Luis Obispo On the western road-cut along Highway 1 in Cambria, about .5km downcoast from Santa Rosa Creek. 20 Comment
  OBI82341  Callitriche heterophylla var. bolanderi Michael Walgren 2016-2-29 486 San Luis Obispo Collected from a vernal pool in San Simeon State Park near the upper "Washburn" campground. 72 Comment
  OBI83513  Tauschia hartwegii Michael Walgren 2013-2-19 302 San Luis Obispo San Luis Range near the peak of Davis Peak, Montana de Oro State park 493 Comment
  OBI83560  Sidalcea malviflora Michael Walgren 2016-4-21 531 San Luis Obispo where the old closed Manzanita Trail meets Manzanita Trail. 247 Comment
  OBI83586  Papaver californicum Michael Walgren 2016-4-22 526 San Luis Obispo Three small patches observed on the north side of a dirt road on the Pacific Gas and Electric Diablo Nuclear Power Plant property. Collected on a southwest facing slope near the ridgeline at approximately 35 deg. 14' 48.32" N 120 deg. 53' 00.64" W 304 Comment
  OBI83587  Eryngium armatum Michael Walgren 2017-3-10 600 San Luis Obispo Chevron Oil Company property on the ocean side of Highway 1, between the junction of Highway 1 and Toro Creek Road and the southern terminus of Studio Dr. in Cayucos. 5 Comment
  OBI83588  Artemisia biennis Michael Walgren 2016-11-2 598 San Luis Obispo Morro Bay State Park at the Chorro Creek bridge in the City of Morro Bay. DMS WGS84 datum 4 Comment
  RSA0029638  Persicaria maculosa Michael Walgren 2012-5-28 274 San Luis Obispo In a water catchment basin in Los Osos along the south side of Los Olivos Road between Fairchild and Eighth Street. Also in the water catchment basin at the southwest corner of Fairchild and Los Olivos. Comment
  RSA0029639  Setaria parviflora Michael Walgren 2012-5-28 280 San Luis Obispo In a water catchment basin in Los Osos along the south side of Los Olivos Road between Fairchild and Eighth Street. Comment
  SD249285  Boykinia occidentalis Michael Walgren 2013-9-18 337 San Luis Obispo Northern coastal county, at the first creek north of San Carpoforo Cr. On both sides of Highway One. 38 Comment
  UC1953358  Heterotheca oregona var. oregona Michael Walgren 2009-8-25 26 San Luis Obispo SAN LUIS OBISPO CO: In CalTrans Highway 1 right-of-way on inland side of bridge over Arroyo de la Cruz. Comment
  UC2027330  Persicaria maculosa Michael Walgren 2012-5-28 274 San Luis Obispo In Los Osos along the south side of Los Olivos Road between Fairchild and Eight Street. Comment
  UC2027504  Setaria parviflora Michael Walgren 2012-5-28 280 San Luis Obispo In Los Osos along the south side of Los Olivos Road between Fairchild and Eight Street. Comment
  OBI083591  Trifolium macraei Michael Walgren, Bill Maslach 2016-4-9 537 San Luis Obispo Collected in grasslands in the foothills of the Santa Lucia Mountains between Arroyo de la Cruz and the northern county line, roughly 3.5 km inland from Highway 1. 130 Comment
  OBI083593  Micropus californicus Michael Walgren, Bill Maslach 2016-4-9 533 San Luis Obispo Collected in the foothills of the Santa Lucia Mountains between Arroyo de la Cruz and the northern county line, roughly 3.5 km inland from Highway 1. 130 Comment
  OBI73277  Urtica urens Michael Walgren 2010-9-7 191 San Luis Obispo Vicinity of San Simeon State Park, on San Simeon Point Comment
  OBI78787  Convolvulus simulans Michael Walgren, Kerry Knudsen 2014-4-15 384 San Luis Obispo Chevron Oil Company property in a field .34 mile east of the intersection of Zanzibar and Tuscan roads. 96 Comment
  OBI78891  Plectritis ciliosa Michael Walgren 2013-5-23 345 San Luis Obispo Montana de Oro State Park in the lower Coon Creek watershed. Comment
  OBI78970  Microsteris gracilis Michael Walgren 2013-4-16 346 San Luis Obispo Montana de Oro State Park in the lower Coon Creek watershed. Comment
  OBI81103  Carex spissa Michael Walgren 2015-1 San Luis Obispo Comment
  OBI81181  Suaeda californica Michael Walgren 2015-1 San Luis Obispo Comment
  OBI81182  Suaeda californica Michael Walgren 2015-1 San Luis Obispo Comment
  OBI83561  Eriogonum elongatum Michael Walgren 2016-4-21 530 San Luis Obispo Closed old Manzanita Trail close to where it meets with the Manzanita Trail. 35 deg. 17'22.89", 120 deg. 551'17.14" 236 Comment
  OBI83589  Fumaria officinalis Michael Walgren, Carole Adams 2017-3-12 599 San Luis Obispo San Simeon State Park, along Narrow coastal bluff section between Highway 1 and the beach 15 Comment
  OBI83594  Oxalis micrantha Michael Walgren 2016-4-6 534 San Luis Obispo Collected "in San Simeon State Park on the inland side of Highway 1 about .4 miles north of the intersection of the northern terminus of Moonstone Beach Dr. and Highway 1. 14 Comment
  OBI83604  Astragalus gambelianus Michael Walgren, Bill Maslach 2016-4-9 534 San Luis Obispo Collected in the foothills of the Santa Lucia Mountains between Arroyo de la Cruz and the northern county line, roughly 3.5 km inland from Highway 1. On a ridgeline. 155 Comment
  OBI83605  Lomatium parvifolium Michael Walgren 2016-4-9 535 San Luis Obispo Collected at a ridge in the foothills of the Santa Lucia Mountains between Arooyo de la Cruz and the northern county line, roughly 3.5 km inland from Highway 1. 142 Comment
  OBI83606  Castilleja densiflora Michael Walgren, Bill Maslach 2016-4-9 536 San Luis Obispo Collected at a rocky outcrop in grassland in the foothills of the Santa Lucia Mountains between Arroyo de la Cruz and the northern county line, roughly 3.5 km inland from Highway 1. 130 Comment



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