Search Results — 475 specimen records retrieved (470 records with coordinates)
Results for search: County=BUTTE; Source=All; Collector=Castro;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC135817  Allium jepsonii B. Castro 1993-8-3 491 Butte Ca 1 mi S of Big Bar Mtn., 0.5 mi SE of Hungry Hunt Peak, on USFS rd 22N83 ca 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CAS-BOT-BC135818  Allium jepsonii B. Castro 1993-7-13 487 Butte Ca 2.5 mi SSW of Big Bar Mtn, on gentle SSE-facing slope on the N side of USFS rd 22N84, on serpentine outcrop which extends for 0.2 mi along the road. 944 Comment
  CAS-BOT-BC135819  Allium jepsonii B. Castro 1993-7-27 488 Butte Ca 2.5 mi SSW of Big Bar Mtn, 1.1 mi W of jcn of USFS rd 22N84 with Rd 23N28, and then S to end of spur road which splits off to the S of USFS Rd 22N84. 950 Comment
  CAS-BOT-BC135820  Allium jepsonii B. Castro 1993-7-5 492 Butte On saddle between Big Bar Mtn and Hungry Hunt Peak, on WSW-facing slope below N edge of sharp curve in USFS Rd 23N28. 1133 Comment
  CAS-BOT-BC135821  Allium jepsonii B. Castro 1993-7-27 489 Butte Ca 2.5 mi S of Big Bar Mtn, on SSE-facing slope ca 800 ft along both sides of USFS Rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CAS-BOT-BC19606  Carex xerophila B. Castro; Gail Kuenster 1989-5-29 307 Butte Ca. 0.1 mile north of junction Coutolenc Road and Skyway. On flat ledge between Coutolenc Road and old SPRR bed. 707 Comment
  CAS-BOT-BC220308  Monardella venosa B. Castro; J. D. Jokerst 1992-5-19 457 Butte In bottom of unnamed canyon SE of Neal Road 79 Comment
  CDA43056  Trifolium vesiculosum B. Castro 2012-6-27 1934 Butte Sacramento Valley; At N end of Chico, just S of the Chico Airport, along sycamore Creek ca 0.5 mi downstream (W) of its crossing under the Cohasset Hwy bridge. Low flat floodplain on S side of channel, excavated and leveled in 2010 in a sediment removal project. Comment
  CHSC100857  Chaenactis douglasii var. douglasii B. Castro 2005-7-20 1512 Butte Ca 10 air mi NE of Paradise, 1.5 mi NW of N. Fork Feather River, on ridge between Lockerman and Cedar Creeks. On steep SW-facing slope, on upper end of ridges overlooking unnamed tributary on E side of USFS Rd 24N13. 1121 Comment
  CHSC100858  Clarkia mildrediae subsp. mildrediae B. Castro; David Toren 2005-7-21 1521 Butte Ca 8.5 air mi NE of Paradise, on slopes just W of Lockerman Ck. On NW-facing roadcut by USFS Rd 24N13, about 5 ft off road. 890 Comment
  CHSC100865  Sidalcea gigantea B. Castro; David Toren 2005-7-21 1520 Butte Ca 9 air mi NE of Paradise, and 2.5 mi NE of Flea Mtn, at the crossing of Lockerman Ck by USFS Rd 24N13. Ca 200 ft from W edge of ck. 950 Comment
  CHSC100866  Sidalcea gigantea B. Castro; David Toren 2005-7-21 1520 Butte Ca 9 air mi NE of Paradise, and 2.5 mi NE of Flea Mtn, at the crossing of Lockerman Ck by USFS Rd 24N13. Ca 200 ft from W edge of ck. 950 Comment
  CHSC105176  Arnica chamissonis B. Castro; L. P. Janeway 1999-8-1 1019 Butte Along Scotts John Creek, 0.2 mi N of road connecting Humboldt and Humbug Rds. In narrow meadowy riparian strip in partial shade of white fir and lodgepole pine adjacent to an alder thicket. 1749 Comment
  CHSC105177  Leptosiphon harknessii B. Castro; L. P. Janeway 1999-8-1 1022 Butte Along Scotts John Creek, 0.2 mi N of road connecting Humboldt and Humbug Rds. 1749 Comment
  CHSC105178  Polygonum douglasii subsp. spergulariiforme B. Castro; L. P. Janeway 1999-8-1 1020 Butte Along Scotts John Creek, 0.2 mi N of road connecting Humboldt and Humbug Rds. In narrow meadowy riparian strip in partial shade of white fir and lodgepole pine adjacent to an alder thicket. 1749 Comment
  CHSC105179  Navarretia capillaris B. Castro; L. P. Janeway 1999-8-1 1021 Butte Along Scotts John Creek, 0.2 mi N of road connecting Humboldt and Humbug Rds. In narrow meadowy riparian strip in partial shade of white fir and lodgepole pine adjacent to an alder thicket. 1749 Comment
  CHSC105185  Trifolium breweri B. Castro; L. P. Janeway 1999-8-1 1018 Butte Along Scotts John Creek, 0.2 mi N of road connecting Humboldt and Humbug Rds. In narrow meadowy riparian strip in partial shade of white fir and lodgepole pine adjacent to an alder thicket. 1749 Comment
  CHSC105187  Erythranthe pulsiferae B. Castro; L. P. Janeway 1999-8-1 1024 Butte NE shore of Summit Lake, ca 0.7 mi NE of Snow Mtn. 1886 Comment
  CHSC105188  Erythranthe breweri B. Castro; L. P. Janeway 1999-8-1 1025 Butte NE shore of Summit Lake, ca 0.7 mi NE of Snow Mtn. 1886 Comment
  CHSC105203  Penstemon neotericus B. Castro; L. P. Janeway 1999-8-1 1023 Butte NE slope of Snow Mtn, ca 0.3 mi NNE of top, and ca 0.5 mi SE of Summit Lake. 2017 Comment
  CHSC105486  Carex feta B. Castro 2010-6-19 100028 Butte Northern High Sierra Nevada. Along Bean Creek Road 0.4 km northwest of spur road to Dome Trail trailhead; 1.2 km south-southwest of Bald Rock Dome; on ridge between Middle Fork Feather River and Bean Creek. 883 Comment
  CHSC106593  Festuca elmeri B. Castro; L. P. Janeway 2001-3-17 1267 Butte Along USFS Rd 23N28, about halfway between Coyote Gap and Big Bar Mtn. 1249 Comment
  CHSC108711  Lupinus microcarpus var. microcarpus B. Castro; L. Janeway 2009-5-5 1782 Butte Sacramento Valley. Ca 4.8 air mi NW of Oroville, on N side of Cottonwood Rd, 2.7 mi E of Hwy 99 and 0.3 mi E of main entrance to PG and E substation. 49 Comment
  CHSC108716  Drosera rotundifolia B. Castro; L. P. Janeway 2002-7-7 1377 Butte High Cascade Range. Soggy sedge-dominated meadow ... Field redacted by CHSC, contact the data manager for more information 170 Comment
  CHSC108744  Stachys pycnantha B. Castro; L. P. Janeway 2002-8-11 1380 Butte Northern High Sierra Nevada. Along NW side of Hwy 70, 0.8 mi NE of Jarbo Gap; at roadside seep feeding unnamed ephemeral tributary of N. Fork Feather River. 670 Comment
  CHSC108747  Arctostaphylos mewukka subsp. truei B. Castro; L. P. Janeway 2002-7-7 1379 Butte Northern High Sierra Nevada. Flat-topped knoll on E side of Lumpkin Ridge Road 1.3 mi E of the old Camp 18 site, and 0.2 mi SW of junction with USFS Rd 22N24 (which goes N and crosses Fall River). 1295 Comment
  CHSC108749  Arceuthobium campylopodum B. Castro; L. P. Janeway 2002-7-7 1378 Butte High Cascade Range. Along logging spur road, 2.1 mi NE of Bald Mountain Lookout and 0.6 mi SW of Jones Meadow. 1798 Comment
  CHSC108750  Quercus wislizeni B. Castro 2002-6-14 1376 Butte Northern Sierra Nevada Foothills. Near Spring on E side of Dark Canyon Road ~0.8 mi NE of boatramp into arm of Lake Oroville. By side of road under transmission lines. 359 Comment
  CHSC109201  Hesperolinon micranthum B. Castro; L. P. Janeway 2004-6-13 1468 Butte Northern High Sierra Nevada. Along Old Forbestown Road 1.6 road mi SE of Forbestown Reservoir Road, 2.25 air mi E of Forbestown; near headwaters of costa Creek; p.15 rd mi NW of jct with Abernathy Rd. 829 Comment
  CHSC109215  Frangula rubra B. Castro; L. P. Janeway 2004-6-13 1467 A Butte Northern High Sierra Nevada. Along Old Forbestown Road 1.6 road mi SE of Forbestown Reservoir Road; 2.25 air mi E of Forbestown; near headwaters of Costa Creek; 0.15 rd mi NW of jcn with Abernathy Road. 829 Comment
  CHSC109216  Navarretia filicaulis B. Castro; L. P. Janeway 2004-7-13 1469 Butte Northern High Sierra Nevada. Along Old Forbestown Road 1.6 road mi SE of Forbestown Reservoir Road; 2.25 air mi E of Forbestown; near headwaters of Costa Creek; 0.15 rd mi NW of jcn with Abernathy Rd. 829 Comment
  CHSC109218  Quercus durata B. Castro; L. P. Janeway 2004-6-13 1467 Butte Northern High Sierra Nevada. Along Old Forbestown Road 1.6 road mi SE of Forbestown Reservoir Road; 2.25 air mi E of Forbestown; near headwaters of Costa Creek; 0.15 rd mi NW of jcn with Abernathy Rd. 829 Comment
  CHSC109223  Quercus X morehus B. Castro 2003-9-10 1461 Butte Ca. 15 mi NE of Oroville, on the slopes over the West Branch Feather Riber across from the Lime Saddle area on NW-facing slope along lower end of Nelson Bar Road, just below State Recreation Area boundary overhanging edge of road. 323 Comment
  CHSC109728  Downingia bicornuta var. bicornuta B. Castro 2006-5-25 1532 Butte Sacramento Valley. Ca 8 mi SE of Chico, ca 0.5 mi E of Hwy 99 0.4 mi NE of its jcn with Durham-Pentz Rd. By pond next to E-W ranch road along transmission lines through flt grasslands with intermittent stream (unnamed tributary to Hamlin Ck). 56 Comment
  CHSC109730  Navarretia heterandra B. Castro 2006-5-25 1534 Butte Sacramento Valley/S. Cascade Range Foothill edge. Ca 7 air mi SE of Chico, ca 1.6 air mi NE of Hwy 99, in lower end of Hamlin Canyon. 94 Comment
  CHSC109731  Navarretia nigelliformis subsp. nigelliformis B. Castro 2006-5-25 1533 Butte Sacramento Valley/S. Cascade Range Foothill edge. Ca 7 air mi SE of Chico, ca 1.6 air mi NE of Hwy 99, in lower end of Hamlin Canyon. 94 Comment
  CHSC110314  Salix lasiolepis B. Castro 2006-8-10 1598 Butte Sacramento Valley. Ca 1 mi W of Hwy 99 and 2.5 mi NE of Richvale, and 0.3 mi S of the Western cnal siphon in Cherokee Canal. On W side of canal abt 30 ft N of dirt road crossing the canal. 35 Comment
  CHSC110315  Persicaria lapathifolia B. Castro 2006-8-10 1599 Butte Sacramento Valley. Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western cnal siphon in Cherokee Canal. On E side of canal at dirt road crossing the canal. 35 Comment
  CHSC110316  Centaurium tenuiflorum B. Castro 2012-6-27 1935 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along sycamore Creek ca 0.5 mi downstream (W) of its crossing under the Cohasset Hwy bridge. Low flat floodplain on S side of channel, excavated and leveled in 2010 in a sediment removal project. 54 Comment
  CHSC110317  Trifolium vesiculosum B. Castro 2012-6-27 1934 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along sycamore Creek ca 0.5 mi downstream (W) of its crossing under the Cohasset Hwy bridge. Low flat floodplain on S side of channel, excavated and leveled in 2010 in a sediment removal project. 54 Comment
  CHSC110324  Schoenoplectus tabernaemontani B. Castro; Margie Graham 2006-9-7 1611 Butte Sacramento Valley. 1.3mi W of Highway 99 and 2 mi NE of Richvale and ca 1.2mi N of Richvale Hwy in Cherokee Canal.. On W side of main channel, on grassy terrace ca 50 ft from water in channel. 35 Comment
  CHSC110325  Helenium puberulum B. Castro; Margie Graham 2006-9-7 1609 Butte Sacramento Valley. Ca 1.75 mi W of Highway 99 and 1.3 mi ENE of Richvale and ca 0.4 mi N of Richvale Hwy in Cherokee Canal.. On E side of canal abt 120 ft in from toe of W levee. 32 Comment
  CHSC110326  Verbena hastata B. Castro; Margie Graham 2006-8-25 1607 Butte Sacramento Valley. Ca 3 mi W of Highway 99 and 2 mi S of Richvale and ca 250 ft N of Hwy 162 in Cherokee Canal.. On E side of canal abt 120 ft in from toe of E levee. 29 Comment
  CHSC110327  Mentha arvensis B. Castro; Margie Graham 2006-8-25 1608 Butte Sacramento Valley. Ca 3 mi W of Highway 99 and 2 mi S of Richvale and ca 250 ft N of Hwy 162 in Cherokee Canal.. On E side of canal abt 120 ft in from toe of E levee. 29 Comment
  CHSC110328  Lycopus americanus B. Castro; Margie Graham 2006-8-25 1605 Butte Sacramento Valley. Ca 1.9 mi W of Highway 99 and 1 mi E of Richvale, immediately N of Richvale Hwy in Cherokee Canal. On E side of canal abt 120 ft in from toe of E levee. 32 Comment
  CHSC110329  Chamaesyce serpillifolia subsp. serpillifolia B. Castro; Margie Graham 2006-8-24 1604 Butte Sacramento Valley. Ca 1,8 mi W of Hwy 99 and 1 mi E of Richvale, ).25 mi N of Richvale Hwy in Cherokee Canal. On E side of canal abt 50 ft from toe of E levee. 32 Comment
  CHSC110330  Phyla nodiflora var. nodiflora B. Castro; Margie Graham 2006-8-24 1603 Butte Sacramento Valley. Ca 1.8 mi W of Hwy 99 and 1 mi E of Richvale, 0.25 mi N of Richvale Hwy in Cherokee Canal. On E side of canal abt 50 ft in from toe of E levee. 32 Comment
  CHSC110331  Crypsis schoenoides B. Castro; Margie Graham 2013-8-24 1602 Butte Sacramento Valley. Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal about 100 ft S of dirt road crossing the canal. 35 Comment
  CHSC110332  Ammannia coccinea B. Castro; Margie Graham 2013-8-24 1600 Butte Sacramento Valley. Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal about 100 ft S of dirt road crossing the canal. 35 Comment
  CHSC110334  Leptochloa fusca subsp. fascicularis B. Castro 2011-10-19 1915 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek ca 0.6 mi downstream (W) of its crossing under the Cohasset Hwy bridge and ca 500 ft E of its confluence with Sheep's Hollow. Depression in low flat floodplain on N side of channel, excavated and leveled in 2010 in a sediment removal project. 54 Comment
  CHSC110343  Paspalum distichum B. Castro 2006-8-10 1597 Butte Sacramento Valley. Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On W side of canal about 30 ft N of dirt road crossing the canal. 35 Comment
  CHSC110344  Panicum dichotomiflorum B. Castro 2006-8-25 1606 Butte Sacramento Valley. CA 1.9 mi W of Hwy 99 and 1 mi E of Richvale, immediately N of Richvale Hwy in Cherokee Canal. On E side of canal about 120 ft in from toe of E levee. 32 Comment
  CHSC110348  Abutilon theophrasti B. Castro 2006-8-10 1594 Butte Sacramento Valley. Ca 2.5 mi W of Hwy 99 and 1.2 mi SE of Richvale, and ca 0.5 mi E of the Midway. Near jcn of Cherokee Canal, Southern Pacific RR and the Biggs Extension canal, along edge of dirt road which crosses Cherokee Canal just N of the Biggs canal. 31 Comment
  CHSC110351  Symphyotrichum subulatum var. parviflorum B. Castro; Margie Graham 2006-9-7 1610 Butte Sacramento Valley. 2 mi W of Hwy 99, 3 mi ESE of Richvale and ca 600 ft S of Richvale Hwy in Cherokee Canal.. 32 Comment
  CHSC110352  Kickxia elatine B. Castro 2006-8-10 1596 Butte Sacramento Valley. Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal at dirt road crossing the canal. 35 Comment
  CHSC110353  Echinochloa crus-galli B. Castro 2006-8-10 1595 Butte Sacramento Valley. Ca 2.5 mi W of hwy 99 and 1.2 mi SE of Richvale, and ca 0.5 mi E of the Midway. Near jcn of Cherokee Canal, Southern Pacific RR and the Biggs Extension canal, along edge of dirt road which crosses Cherokee Canal just N of the Biggs canal. 102 Comment
  CHSC110354  Bolboschoenus fluviatilis B. Castro; Margie Graham 2006-8-24 1601 Butte Sacramento Valley Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal ca 100 ft S of dirt road crossing the canal. 35 Comment
  CHSC110440  Plantago elongata B. Castro 2007-3-29 1618 Butte Sacramento Valley. Ca 0.9 mi SE of Chico Airport, N of Sycamore Creek and E of Cohasset Rd. Around edges of distinct but shallow, flat-bottomed vernal pool, ca 80 ft E of Cohasset Rd and 50 ft N of Levell Along Sycamore Creek. 57 Comment
  CHSC110443  Monardella venosa B. Castro 2007-5-19 1623 Butte Sacramento Valley. Ca 5.5 air mi SE of town of Paradise, in bottom of unnamed canyon just S of Neal Road, ca 70 ft N of creek channel directly under transmission lines. 85 Comment
  CHSC110444  Lasthenia glaberrima B. Castro 2007-3-29 1619 Butte Sacramento Valley. Ca 0.8 mi SE of Chico Airport, N of Sycamore Creek and E of Cohasset Rd in area of grassland and scattered shallow vernal pools. 57 Comment
  CHSC110446  Ranunculus arvensis B. Castro 2007-4-19 1620 Butte Sacramento Valley. Ca 0.7 mi S of Chico Airport, N of Sycamore Creek and W of Cohasset Rd. In a shallow depression off N edge of Large old spoils pile, ca 550 ft W of Cohasset Rd and 310 Ft N of levee along Sycamore Creek, in area of grazed grassland and scattered shallow vernal depressions. 57 Comment
  CHSC110609  Trifolium beckwithii B. Castro 2006-6-8 1546 Butte Northern High Sierra Nevada. NE side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  CHSC111236  Stachys ajugoides var. rigida B. Castro; L. P. Janeway 2007-8-18 1674 Butte Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and Williams Loop (railroad). 1267 Comment
  CHSC112058  Agrostis exarata B. Castro 2012-10-18 1991 Butte Sacramento Valley. At N end of Chico, just S of the Chico Air-port, along Sycamore Creek, ca 900 ft downstream (W) of its crossing under the Cohasset Hwy bridge. 54 Comment
  CHSC112077  Lindernia dubia var. anagallidea B. Castro 2013-7-26 1997 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek,ca 0.6 mi downstream (W) of its crossing under the Cohasset Hwy bridge and ca 500 ft E of its confluence with Sheep's Hollow. Bed of central channel. 54 Comment
  CHSC112523  Deschampsia elongata B. Castro 2012-10-18 1990 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 900 ft downstream (W) of its crossing under the Cohasset Hwy bridge. 54 Comment
  CHSC112524  Aristida oligantha B. Castro; Andy Rogers 2014-7-15 2031 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 0.35 mi ft downstream (W) of its crossing under the Cohasset Hwy bridge. Low flat floodplain on N side of channel excavated and leveled in a 2010 sediment removal project. 54 Comment
  CHSC112538  Lindernia dubia var. anagallidea B. Castro 2014-7-16 2033 Butte Sycamore Creek Sediment Removal Project: Revegetation Phase. Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 50 ft downstream (W) of its crossing under the Cohasset Hwy bridge. 54 Comment
  CHSC112539  Cordylanthus pilosus subsp. hansenii B. Castro 2012-10-18 1989 Butte Sycamore Creek Sediment Removal Project: Revegetation Phase. Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 700 ft downstream (WSW) of its crossing under the Cohasset Hwy bridge. 56 Comment
  CHSC112540  Bergia texana B. Castro; Andy Rogers 2014-7-15 2032 Butte Sycamore Creek Sediment Removal Project: Revegetation Phase. Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 0.4 mi downstream (W) of its crossing under the Cohasset Hwy bridge. In central channel excavated in a 2010 sediment removal project. 54 Comment
  CHSC112541  Bergia texana B. Castro 2012-9-2 1984 Butte Sycamore Creek Sediment Removal Project: Revegetation Phase. Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 600 ft downstream (W) of its crossing under the Cohasset Hwy bridge. 57 Comment
  CHSC112542  Bergia texana B. Castro 2012-9-28 1985 Butte Sycamore Creek Sediment Removal Project: Revegetation Phase. Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 900 ft downstream (WSW) of its crossing under the Cohasset Hwy bridge. 56 Comment
  CHSC112900  Deschampsia danthonioides B. Castro; Robin Carter 2011-4-29 1877 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd. 34 Comment
  CHSC112901  Ranunculus bonariensis subsp. trisepalus B. Castro; Robin Carter, Sabrina Bell 2011-5-16 1881 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, just NE of Western Canal and ca 0.8 mi N of jcn of Hwy 99 and Richvale Hwy/162E. 38 Comment
  CHSC112902  Downingia ornatissima B. Castro; Robin Carter 2011-4-29 1878 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd. 34 Comment
  CHSC112903  Plagiobothrys stipitatus var. micranthus B. Castro; Robin Carter 2011-4-29 1879 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd. 34 Comment
  CHSC112904  Gratiola ebracteata B. Castro; Robin Carter 2011-4-29 1876 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd. 34 Comment
  CHSC112905  Castilleja campestris B. Castro; Robin Carter 2011-4-29 1875 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Road. 34 Comment
  CHSC112906  Plagiobothrys greenei B. Castro; Robin Carter 2011-4-29 1874 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.3 mi S of jcn of Hwys 99 and 162W, ca 0.7 mi N of Hamilton Rd. 35 Comment
  CHSC112907  Callitriche marginata B. Castro; Robin Carter 2011-4-29 1872 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, 0.37 mi S of jcn of Hwys 99 and 162W, ca 0.6 mi N of Hamilton Rd. 36 Comment
  CHSC112908  Ranunculus arvensis B. Castro; Robin Carter 2011-4-29 1873 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.3 mi S of jcn of Hwys 99 and 162W, ca 0.7 mi N of Hamilton Rd. 35 Comment
  CHSC112909  Juncus capitatus B. Castro; Robin Carter 2011-4-29 1871 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, 0.37 mi S of jcn of Hwys 99 and 162W, ca 0.6 mi N of Hamilton Rd. 36 Comment
  CHSC112910  Phalaris aquatica B. Castro; Sabrina Bell 2012-5-23 1923 Butte Sacramento Valley. Ca 1.6 air mi E of Hwy 99 and 1 mi N of Hwy 162 off NE edge of Thermalito Afterbay, 0.5 mi WNW old 'Oroville Jcn' on maps, now jcn of Tres Vias and Wilbur Roads. 42 Comment
  CHSC112911  Crassula aquatica B. Castro; Robin Carter 2011-4-29 1870 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, 0.37 mi S of jcn of Hwys 99 and 162W, ca 0.6 mi N of Hamilton Rd. 36 Comment
  CHSC112924  Nicotiana acuminata var. multiflora B. Castro; R. Carter 2010-7-13 1823 Butte Sacramento Valley. S side of Thermalito Power Canal ca 0.3 mi E of Hwy 70, ca 0.25 mi W of Table Mtn Blvd and ca 0.25 mi S of Garden Drive , on the north end of Oroville. 70 Comment
  CHSC112925  Linum bienne B. Castro; Sabrina Bell 2012-6-14 1929 Butte Sacramento Valley. 1.0 air mi E of Hwy 99 and 0.9 mi S of Hwy 162E on peninsula at E edge of Thermalito Afterbay. 42 Comment
  CHSC112926  Epilobium campestre B. Castro; Sabrina Bell 2012-6-12 1928 Butte Sacramento Valley. Ca 1.7 air mi E of Hwy 99 and 0.75 mi N of Hwy 162 of NE edge of Thermalito Thermalito Afterbay, 0.45 mi SW of old 'Oroville Jcn' on maps, now jcn of Tres Vias and Wilbur Roads. 45 Comment
  CHSC112927  Downingia cuspidata B. Castro; Tom Boullion 2011-4-21 1846 Butte Sacramento Valley. N side of Thermalito Forebay/Power calanl, ca 0.3 mi W of Hwy 70 and ca 0.2 mi S of Garden Drive, at S end of picnic/boat ramp recreation area, on northside of Oroville. 71 Comment
  CHSC112928  Gratiola ebracteata B. Castro; Tom Boullion 2011-4-21 1845 Butte Sacramento Valley. N side of Thermality Forebay/Power Canal, ca 0.3 mi W of Hwy 70 and ca 0.2 mi S of Garden Drive, at S end of picnic/boat ramp recreation area, on the north end of Oroville. 71 Comment
  CHSC112929  Sidalcea diploscypha B. Castro 2012-5-9 1918 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.34 mi N of jcn of Hwy 99/Hwy 162W and ca 0.45 mi. S of screened CDFG fishery facility 39 Comment
  CHSC112930  Brachypodium distachyon B. Castro 2012-5-9 1919 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.4 mi N of jcn of Hwy 99/Hwy 162W and ca 0.4 mi S of screened CDFG fishery facility. 39 Comment
  CHSC112931  Brodiaea nana B. Castro 2012-5-11 1920 Butte Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca. 0.4 mi N of jcn of Hwy 99/Hwy 162W and ca 0.4 mi S of screened CDFG fishery facility. 36 Comment
  CHSC112932  Downingia bicornuta var. bicornuta B. Castro; Sabrina Bell 2012-5-23 1922 Butte Sacramento Valley. Ca 1.6 air mi E of Hwy 99 and1 mi N of Hwy 162E off NE edge of Thermallito Afterbay, 0.5 mi WNW old 'Oroville Jen' on maps, now jcn of Tres Vias and Wilbur Roads. Elevation 139-144 ft. 43 Comment
  CHSC112933  Euphorbia oblongata B. Castro; Robin Carter, Sabrina Bell 2012-5-3 1917 Butte Sacramento Valley. Ca 1 air mi E of Hwy 99 off northeastern edge of Thermalito Afterbay, 0.16 mi S of Tres Vias Rd and 0.8 mi S of Nelson Rd, ca 20 ft W of a stockpond. Along ditch beside E edge of informal dirt road in disturbed open grassland, ca 100 ft N of large oak tree. 43 Comment
  CHSC112934  Parentucellia viscosa B. Castro 2012-6-21 1930 Butte Sacramento Valley. CA 3 air mi E of Hyw 99, off SE corner of Thermalio Afterbay ca 0.5 mi NE of the Afterbay outlet and ca 400 ft NW of Larkin Road 42 Comment
  CHSC112935  Clarkia purpurea subsp. purpurea B. Castro 2012-6-5 1927 Butte Sacramento Valley. CA 1.9 air mi E of Hyw 99, off SE corner of Thermalio Afterbay ca 540 ft NE of jcn of E. Hamilton and Larkin Roads. 38 Comment
  CHSC112936  Epilobium torreyi B. Castro 2012-6-5 1924 Butte Sacramento Valley. CA 1.9 air mi E of Hyw 99, off SE corner of Thermalio Afterbay ca 0.16 mi ENE of jcn of E. Hamilton and Larkin Roads. 36 Comment
  CHSC112937  Juncus bufonius var. congestus B. Castro 2012-5-29 1925 Butte Sacramento Valley. Between hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd. 34 Comment
  CHSC112938  Plagiobothrys stipitatus var. micranthus B. Castro 2012-5-29 1926 Butte Sacramento Valley. Between E. Hamilton Rd and the S edge of the Thermalito Afterbay levee, ca 0.6 mi E of Hwy99. 35 Comment
  CHSC116501  Panicum dichotomiflorum B. Castro; Andy Rogers 2014-7-16 2034 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 900 ft downstream (W) of its crossing under the Cohasset Hwy footbridge. 55 Comment
  CHSC116512  Lathyrus jepsonii var. californicus B. Castro; Josh Brown, Melinda Carlson 2008-4-25 1732 Butte Sacramento Valley. E bank of Sacramento River, ca 0.2 mi N (upstream) of Gianelli Bridge at Hamilton City, just up from water's edge. 39 Comment
  CHSC116520  Trifolium fucatum B. Castro 2013-4-16 1992 Butte Sacramento Valley. At N endo of Chico, just S of th Chcio Airport, along Sycamore Creek, ca 0.25 I downstream (W) of its crossing under the Cohasset Hwy bridge. 54 Comment
  CHSC116522  Hibiscus lasiocarpos var. occidentalis B. Castro 2012-9-29 1986 Butte Cascade Foothills. Just E of Chico, in upper Bidwell Park N of Big Chico Ck, on SSE-facing slope ca 300 ft above the Diversion Pool gate. Site is ca 3.1 road mi E along the park road from its origin at Wildwood Ave. 132 Comment
  CHSC116523  Distichlis spicata B. Castro 2012-9-29 1987 Butte Cascade Foothills. Just E of Chico, in upper Bidwell Park N of Big Chico Ck, on SSE-facing slope ca 300 ft above the Diversion Pool gate. Site is ca 3.1 road mi E along The park road from its origin at Wildwood Ave. 132 Comment
  CHSC116524  Melia azedarach B. Castro 2013-4-25 1993 Butte Sacramento Valley. Just N of Chico, on W edge of Hwy 99 ca 150 ft N of its jcn with Wilson Landing Rd. 54 Comment
  CHSC116566  Brodiaea nana B. Castro; Robin Carter 2016-4-14 2128 Butte Sacramento Valley. Ca 1.9 air mi E of Hwy 99, 1.3 mi S of Hwy 162E and 1.2 mi SSW of the Oriville Airport, off N edge of SE portion of the Thermalito Afterbay, near S end of old Wilbur Road. 44 Comment
  CHSC116567  Sidalcea hirsuta B. Castro; Robin Carter 2016-4-14 2129 Butte Sacramento Valley. CA 2 air mi E of Hwy 99, 1.3 mi S of Hwy 162E and 1.1 mi SSW of the Oroville Airpor, off N edge of SE protion of the Thermalito Afterbay, near S end of old Wilbur Road. 42 Comment
  CHSC116568  Sidalcea calycosa subsp. calycosa B. Castro; Robin Carter 2016-4-14 2130 Butte Sacramento Valley. CA 1.9 air mi E of Hwy 99, 1.3 mi S of Hwy 162E and 1.1 mi SSW of the Oroville Airpor, off N edge of SE protion of the Thermalito Afterbay, near S end of old wilbur Road. 42 Comment
  CHSC116569  Rosa multiflora B. Castro 2016-4-15 2131 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca -.4 mi downstream (W) of its crossing under the Cohasset Hwy bridge. At moist lowest edge of bank on N side of channel, near a large cottonwood tree roughly opposite the confluence of Dry Creek. 55 Comment
  CHSC116575  Allium amplectens B. Castro; Robin Carter 2016-3-30 2127 Butte Sacramento Valley. CA1.6 air mi E of Hwy 99, 2 mi S of Hwy 162E and 1.5 mi SSW of the Oroville Airport, off N edge of SE ortion of the Thermalito Afterbay, near S end of old Wilbur Road. 44 Comment
  CHSC116591  Glinus lotoides B. Castro; Robin Carter, Sabrina Bell 2013-10-3 2001 Butte Sacramento Valley. Ca 6 air mi SW of Oroville, 2 mi SE of Thermalito Afterbay and ca 0.5 mi W of Hwy 70 off Pacific Heights Road, in the Oroville Wildlife Area. 32 Comment
  CHSC117300  Phalaris arundinacea B. Castro; Melinda Carlson 2007-10-25 1677 Butte (Arroyo Chico land grant area). Sacramento Valley. Confluence of Big Chico Creek and Sacramento River, W. of River Road and north of the creek with surrounding disturbed riparian forest. 39 Comment
  CHSC117305  Scirpus fluviatilis B. Castro; Margie Graham, Stephanie Chun 2009-7-1 1797 Butte Piper's Patch Slump Repair Wetland Study. Sacramento Valley. 10 air mi W of Gridley, 0.4 mi S of Gridley Rd., off SE bank of Cherokeep Canal 0.2 mi NE of southward bend in canal. Ca 40 ft out from levee toe, near edge of managed tule-marsh wetlands of adjacent duck club, about even with line of willows. 18 Comment
  CHSC117312  Paspalum distichum B. Castro 2008-9-11 1774 Butte Sacramento Valley. 10 air mi W of Gridley, 0.4 mi S of Gridley Rd, off SE bank of Cherokee Canal 0.2 mi NE of southward bend in canal. Ca 40 ft out from levee toe, at edge of managed tulemarsh wetlands of adjacent duck club, about even with line of willows. 18 Comment
  CHSC117321  Trifolium subterraneum B. Castro 2009-5-5 1781 Butte Sacramento Valley. Ca 8 air mi NW of Oroville, 150 ft W of Hwy 99 and 0.5 mi S of Nelson Rd. 47 Comment
  CHSC117322  Leptochloa fusca subsp. fascicularis B. Castro 2008-7-15 1759 Butte Sacramento Valley. Ca 2.5 mi W of Hwy 99 and 1.1 mi SE of Richvale, and ca 0.5 E of the Midway. Near jcn of Cherokee Canal, Southern Pacific RR and the Biggs Extension canal, along edge of rice field in adjacent ditch. 31 Comment
  CHSC117324  Chenopodium pratericola B. Castro; Melinda Carlson 2007-10-25 1682 Butte Sacramento Valley. Confluence of Big Chico Creek and Sacramento River, W of River Road and north of the creek adjacent to surrounding riparian forest. Arroyo Chico land grant area. 36 Comment
  CHSC117325  Alisma lanceolatum B. Castro 2008-7-15 1769 Butte Sacramento Valley. Ca 2.5 mi W of Hwy 99 and 1.1 mi SE of Richvale,and ca 0.5 mi E of the Midway. Near jcn of Cherokee Canal, Southern Pacific RR and the Biggs Extension Canal along edge of rice field in adjacent ditch. 31 Comment
  CHSC117343  Downingia bicornuta var. bicornuta B. Castro; Sabrina Bell 2007-7-24 2046 Butte Sacramento Valley. Off E edge of Thermalito Afterbay, ca 1.36 air mi E of Hwy 99 and 1 mi S of Highway 162E. Just S of the Afterbay perimeter road, at NE corner of low pond (impoundmant) with willows. 43 Comment
  CHSC117344  Lythrum portula B. Castro; Sabrina Bell 2015-5-21 2045 Butte Sacramento Valley. Off E edge of Thermalito Afterbay, ca 1.36 air mi E of Hwy 99 and 1 mi S of Highway 162E. Just S of the Afterbay perimeter road, at NE corner of low pond (impoundment) with willows. 43 Comment
  CHSC117345  Delphinium hansenii subsp. hansenii B. Castro; Sabrina Bell, Robin Carter 2015-5-26 2047 Butte Sacramento Valley. Ca 2 air mi NE of Oroville and 1.5 mi W of Oroville Dam, off S edge of Thermalito Diversion Pool. Ca 0.1 mi S of the Brad Freeman Trail along a connector to the Dan Beebe trail as it winds around an inlet (long narrow pond). About 3 ft up from E side of Trail on W-facing slope in small opening withing Foothill Woodland. 80 Comment
  CHSC117346  Plagiobothrys glyptocarpus var. glyptocarpus B. Castro; L. P. Janeway 2014-4-4 2003 Butte Northern Sierra Nevada Foothills. On North Table Mountain, ca 5.5 air mi N of Oroville, 100 ft N of the main parking area just W of Cherokee Rd on the table top; ca 200 ft NE of the large lone oak tree by the parking lot. 406 Comment
  CHSC117347  Epilobium campestre B. Castro 2013-12-13 2002 Butte Sacramento Valley. Richvale vernal pools, 500 to 1000 ft W of Hwy 99 directly across from Thermalito Afterbay and just less than 1 mi S of Richvale Hwy. Bottoms of vernal pools south of east-west ditch near S end of property. 33 Comment
  CHSC117352  Brodiaea coronaria B. Castro; Sabrina Bell 2015-5-21 2044 Butte Sacramento Valley. Ca 1.6 air mi E of hwy 99 off eastern edge of Thermolito Afterbay, 1.16 mi Sof Hwy 162, along SW extension of Wilbur Rd (the Afterbay perimeter road). A few yards S of road. 43 Comment
  CHSC117353  Polygonum pensylvanicum B. Castro; Margie Graham and Stephanie Chun 2009-7-1 1798 Butte Sacramento Valley. 10 air mi W of Gridley, 0.4 mi S of Gridley Rd, off SE bank of Cherokee Canal 0.2 mi NE of southward bend in canal. Ca 40 ft out from levee toe, near edge of managed tule marsh wetlands of adjacent duck club, about even with line of willows. 18 Comment
  CHSC117404  Eleocharis pachycarpa B. Castro; Tom Boullion, Jessica Boyt 2008-10-21 1771 Butte Sacramento Valley. Ca 3.5 mi SE of Chico, 3 mi NE of Durham, near W edge of Butte Creek ca 0.5 mi upstream of its crossing under the Oro-Chico Hwy. 57 Comment
  CHSC117406  Sidalcea diploscypha B. Castro 2009-5-5 1780 Butte Sacramento Valley. Ca 8 air mi NW of Oroville, 0.2 mi W of Hwy 99 and 0.75 mi S of Nelson Rd. 53 Comment
  CHSC117408  Vicia benghalensis B. Castro 2009-5-5 1779 Butte Sacramento Valley. Ca 8 air mi NW of Oroville, 250 ft. W of Hwy 99 and 0.5 mi S of Nelson Rd. Grassy SW-trending knoll bordered by ricefields on all but the NE corner, which connects to Hwy. 99. 48 Comment
  CHSC117412  Epilobium campestre B. Castro 2008-7-15 1757 Butte Sacramento Valley. 0.4 mi W of Hwy 99 and 2.5 mi E of Richvale, ca 300 ft S of Richvale Hwy. 34 Comment
  CHSC117414  Symphyotrichum subulatum var. parviflorum B. Castro; Tom Boullion 2008-8-21 1765 Butte Sacramento Valley. Ca 3.5 mi SE of Chico, 3 mi NE of Durham, near W edge of Butte Creek ca 0.5 mi upstream of its crossing under the Oro Chico Hwy. 56 Comment
  CHSC117417  Setaria parviflora B. Castro 2008-7-15 1758 Butte Sacramento Vallye. 2 mi W of Hwy 99 and 1 mi SE of Richvale, at NE corner of Cherokee Canal and Richvale Hwy. At levee toe just up from rice field. 32 Comment
  CHSC117462  Lythrum portula B. Castro; Sabrina Bell 2016-5-25 2133 Butte Sacramento Valley. Ca 1.1 air mi E of Hwy 99 off northeastern edge of Thermalito Afterbay, 0.7mi S of Nelson Ave and 0.1 mi S of the Afterbay perimeter road, along sinuous edge of swale darining from the NE into 'McKibben's Pond. 42 Comment
  CHSC117463  Downingia bicornuta var. bicornuta B. Castro; Sabrina Bell 2016-5-25 2132 Butte Sacramento Valley. Ca 1.1 air mi E of Hwy 99 off northeastern edge of Thermalito Afterbay, 0.7mi S of Nelson Ave and 0.1 mi S of the Afterbay perimeter road, along sinuous edge of swale darining from the NE into 'McKibben's Pond. 42 Comment
  CHSC117464  Rotala ramosior B. Castro; Sabrina Bell 2016-5-25 2134 Butte Sacramento Valley. Ca 1.1 air mi E of Hwy 99 off northeastern edge of Thermalito Afterbay, 0.7mi S of Nelson Ave and 0.1 mi S of the Afterbay perimeter road, along sinuous edge of swale darining from the NE into 'McKibben's Pond. 42 Comment
  CHSC117593  Gnaphalium stramineum B. Castro; Tom Bouillon 2008-7-10 1761 Butte Sacramento Valley. Ca 3.5 mi SE of Chico, 3 mi NE of Durham, near W edge of Butte Creek ca 0.5 mi upstream of its crossing under the Oro-Chico Hwy. Growing on flat bench between W levee and the creek within recently planted, irrigated riparian restoration area. 57 Comment
  CHSC117594  Agrostis capillaris B. Castro; Melinda Carlson 2007-10-25 1681 Butte Sacramento Valley. Confluence of Big Chico Creek and Sacramento River, W of River Road and north of the creek within surrounding disturbed riparian forest. Arroyo Chico land grant area. 39 Comment
  CHSC37343  Aphyllon purpureum B. Castro 1982-4-14 15 Butte On rock outcrop in streambank at south end of North Table Mtn, off Cherokee rd ca 4 mi n of Oroville. 152 Comment
  CHSC37421  Amsinckia menziesii B. Castro 1982-4-21 18 Butte On banks of Singer Creek, ca.1 mi w of Hwy 99 off Haille Rd, ca. 12 mi n of Chico. 60 Comment
  CHSC39112  Phacelia egena B. Castro 1982-4-9 13 Butte Rare, on steep e-facing hillside on w side of Pentz-Magalia Hwy, ca 12 mi ne of Oroville. 256 Comment
  CHSC41368  Leptosiphon filipes B. Castro 1982-4-21 26 Butte Vernal pool area, 0.3 mi w of jct with Hwy 99 on Broyles Rd, ca 10 mi nw of Chico. 60 Comment
  CHSC42262  Polygonum bidwelliae Barbara Castro 1987-5-2 60 Butte Upper Bidwell Park, Chico, ca. 0.5 mi e of Rifle Range beside foot trail. 109 Comment
  CHSC43639  Stachys ajugoides var. rigida B. Castro 1987-8-25 204 Butte On gravel bars of Butte Ck ca 1/4 mi e of Hwy 99 crossing, ca 2.1 mi s of Skyway in Chico. 60 Comment
  CHSC43640  Stachys ajugoides var. rigida B. Castro 1987-5-16 90 Butte On narrow ridge just e of Cohasset Hwy, 9.5 mi by road from East Ave. in Chico. 539 Comment
  CHSC43641  Stachys ajugoides var. rigida B. Castro 1987-5-18 95 Butte On w-facing hillside about 1/2 mi e of Hwy 32, ca 9 mi e of Chico via Hwy 32 and Altatina Dr. 451 Comment
  CHSC43642  Stachys ajugoides var. rigida B. Castro 1987-7-19 147 Butte Along Coon Ck, near campground 0.95 mi by road into Coon Hollow. 1664 Comment
  CHSC43643  Stachys ajugoides var. rigida B. Castro 1987-7-19 152 Butte In Coon Hollow, 1.65 mi e of W. Branch Feather R. crossing of Coon Hollow Rd. Ca 100' along Coon Hollow Rd. at edge of large meadow. 1767 Comment
  CHSC43644  Stachys pycnantha B. Castro 1987-8-25 205 Butte On gravel bars of Butte Ck ca 1/4 mi e of Hwy 99 crossing, ca 2.1 mi s of Skyway in Chico. 60 Comment
  CHSC43645  Stachys pycnantha B. Castro 1987-8-29 211 Butte Several feet from s edge of Butte Ck, ca 1/2 mi e of Hwy 99 crossing ca 2.1 mi s of Skyway in Chico. 68 Comment
  CHSC43646  Stachys pycnantha B. Castro 1987-9-12 219 Butte At w edge of Butte Ck, ca 24 mi ne of Chico via Hwy 32, Garland Rd and the Butte Ck Trail. On cliff ca 50' from water's edge. 585 Comment
  CHSC43838  Mentha pulegium B. Castro 1987-9-8 215 Butte E of the lodge at Richardson Springs resort. 182 Comment
  CHSC43839  Mentha canadensis B. Castro 1987-8-25 212 Butte At s edge of Butte Ck ca 1/2 mi e of its crossing of Hwy 99 (ca 2.1 mi s of Skyway in Chico). 68 Comment
  CHSC43840  Mentha canadensis B. Castro 1987-8-25 210 Butte In midstream Butte Ck ca. 1/2 mi e of its crossing of Hwy 99 (ca 2.1 mi s of Skyway in Chico). 68 Comment
  CHSC43841  Lycopus americanus B. Castro 1987-8-25 208 Butte Butte Ck ca 1/2 mi e of its crossing of Hwy 99, ca 2.1 mi s of Skyway in Chico. 68 Comment
  CHSC43842  Scutellaria californica B. Castro 1987-5-9 86 Butte Just e of Cohasset Rd, 9.5 mi by road from Chico. 539 Comment
  CHSC43843  Melissa officinalis B. Castro 1987-8-25 209 Butte Butte Ck ca 1/2 mi e of its crossing of Hwy 99 (ca 2.1 mi s of Skyway in Chico). 68 Comment
  CHSC43844  Mentha canadensis B. Castro 1987-8-25 207 Butte At s edge of Butte Ck ca 1/4 mi e of its crossing of Hwy 99 (ca 2.1 mi s of Skyway in Chico). 60 Comment
  CHSC43845  Mentha spicata B. Castro 1987-8-25 206 Butte Butte Ck ca 1/4 mi e of its crossing of Hwy 99 (ca 2.1 mi s of Skyway in Chico). 60 Comment
  CHSC43846  Mentha canadensis B. Castro 1987-8-25 203 Butte In Butte Ck ca 1/4 mi e of its crossing of Hwy 99 (ca 2.1 mi s of Skyway in Chico). 60 Comment
  CHSC43847  Monardella sheltonii B. Castro 1987-5-18 91 Butte Approx. 9 mi e of Chico and ca 1/2 mi e of Hwy 32 via Altatina Dr. 457 Comment
  CHSC43848  Scutellaria californica B. Castro 1987-5-18 109 Butte Approx. 9 mi ne of Chico, ca 1/2 mi e of Hwy 32 via Altatina Dr. 426 Comment
  CHSC43849  Scutellaria siphocampyloides B. Castro 1987-5-18 108 Butte Approx. 9 mi ne of Chico ca 1/2 mi e of Hwy 32. 426 Comment
  CHSC47141  Carex xerophila B. Castro; Gail Kuenster 1989-4-29 307 Butte Ca 0.1 mi N of jct Coutolenc Rd and Skyway; on flat ledge between Coutolenc Rd and old SPRR bed. 707 Comment
  CHSC51993  Hydrocotyle umbellata B. Castro 1987-9-22 250 Butte S side of Pentz Rd ca 2.2 mi e of its jcn with Clark Rd. 115 Comment
  CHSC52001  Lessingia virgata B. Castro 1987-9-25 227 Butte Fernandez Grant area. Field at jcn Biggs East Rd and Dos Rios Rd at e side of East Biggs. 33 Comment
  CHSC52002  Madia elegans subsp. densifolia B. Castro 1987-9-25 228 Butte Fernandez Grant area. Field at jcn Biggs East Rd and Dos Rios Rd at e side of East Biggs. 33 Comment
  CHSC52005  Plagiobothrys stipitatus var. stipitatus B. Castro 1982-4-21 19 a Butte On and near banks of Singer Ck, ca 1 mi w of Hwy 99 off Haille road, ca 12 mi n of Chico. Among vernal pools. 60 Comment
  CHSC52031  Lycopus americanus B. Castro 1987-9-22 249 Butte S side of Pentz Rd ca 2.2 mi e of its jcn with Clark Rd. 115 Comment
  CHSC52032  Marrubium vulgare B. Castro 1988-4-21 259 Butte At edge of Chico Cyn Rd just past hairpin turn where road turns away from Big Chico Ck and passes pistachio orchard at base of ridge. Naturalized fairly frequently along this strip on both sides of Big Chico Ck. on the e side of Chico. 91 Comment
  CHSC52036  Monardella odoratissima subsp. pallida B. Castro; L. P. Janeway, R. A. Schlising 1988-7-1 271 Butte Near edge of Retson Rd e of Stirling City. 1091 Comment
  CHSC52037  Monardella odoratissima subsp. pallida B. Castro; L. P. Janeway, R. A. Schlising 1988-7-23 279 Butte W edge of Scotts John Rd 1.7 mi n. of its jct with Humbug/ Humboldt Rd, in open flat overlooking Scotts John Ck. 1828 Comment
  CHSC52038  Monardella odoratissima subsp. pallida B. Castro; L. P. Janeway, R. A. Schlising 1988-7-23 279 A Butte W edge of Scotts John Rd, 1.7 mi n of its jcn with Humbug/ Humboldt Rd, on open flat overlooking Scotts John Ck. 1828 Comment
  CHSC52039  Monardella odoratissima B. Castro; L. P. Janeway, R. A. Schlising 1988-7-30 282 Butte Abundant near top of ridge se of Snow Mtn at top of sw-facing slope above Coon Hollow. 2072 Comment
  CHSC52060  Prunella vulgaris var. lanceolata B. Castro; L. P. Janeway, R. A. Schlising 1988-7-11 270 A Butte On edge of Big Kimshew Ck in Crane Valley. 1569 Comment
  CHSC52061  Prunella vulgaris var. lanceolata B. Castro; L. P. Janeway, R. A. Schlising 1988-7-30 284 Butte By side of road on sw-facing slope above Coon Hollow. 1859 Comment
  CHSC52062  Prunella vulgaris var. lanceolata B. Castro; P. Broyles, R. A. Schlising, L. P. Janeway 1987-7-19 146 Butte Ca 5.5 mi n of Inskip on e side of Humbug Summit Road ('Skyway' on quad map) opposite Cornelia Lott Sank Memorial Spring. 1536 Comment
  CHSC52063  Prunella vulgaris var. lanceolata B. Castro; P. Broyles, R. A. Schlising, L. P. Janeway 1987-7-19 148 Butte 0.95 mi into Coon Hollow below Campground, by edge of Coon Creek and on edge of adjacent meadow. 1664 Comment
  CHSC52064  Prunella vulgaris var. lanceolata B. Castro; L. P. Janeway, R. A. Schlising 1988-7-23 280 Butte W edge of Scotts John Rd, 1.7 mi n of jcn with Humbug/ Humboldt Rd, overlooking Scotts John Ck. 1828 Comment
  CHSC52065  Pycnanthemum californicum B. Castro 1988-6-5 260 Butte Upper Little Chico Ck Cyn. 243 Comment
  CHSC52067  Stachys ajugoides var. rigida B. Castro; L. P. Janeway, R. A. Schlising 1988-7-11 269 Butte Abundant in damp sands of Big Kimshew Ck along sw corner of Crane Valley. 1569 Comment
  CHSC52068  Stachys ajugoides var. rigida B. Castro; L. P. Janeway, R. A. Schlising 1988-7-23 276 Butte By Humboldt/Humbug Rd. Ca. halfway between the Willow Ck and Scotts John Ck crossings. 1798 Comment
  CHSC52069  Stachys ajugoides var. rigida B. Castro; L. P. Janeway, R. A. Schlising 1988-7-30 283 Butte Ca 20 ft n of road on sw-facing slope above Coon Hollow. 1926 Comment
  CHSC52076  Stachys pycnantha B. Castro 1988-6-5 261 Butte Upper Little Chico Ck Cyn. 243 Comment
  CHSC52077  Stachys stricta B. Castro 1987-7-24 187 Butte Between curve in Table Mtn Blvd and the W. Pacific RR line. 103 Comment
  CHSC52078  Teucrium fruticans B. Castro 1988-4-10 258 Butte At extreme e end of parking lot of Five Mile Recreation Area along s side of Big Chico Ck. 83 Comment
  CHSC52080  Trichostema lanceolatum B. Castro 1987-9-12 224 Butte S edge of Paradise, on Clark Rd (Hwy 191) 1.1 road mi s of its jch with Pearson Rd, in disturbed site at jcn with American Way. 495 Comment
  CHSC52081  Trichostema lanceolatum B. Castro 1987-10-3 232 Butte E side Cherokee Rd, nr old horse pastures within Foothill Woodland just off of N Table Mtn. 213 Comment
  CHSC52082  Trichostema lanceolatum B. Castro 1987-10-3 233 Butte At e edge of Pentz-Magalia Hwy ca 2.5 mi nw of Lime Saddle Marina Rd, nr Kunkle Reservoir. 448 Comment
  CHSC52083  Trichostema lanceolatum B. Castro 1987-10-3 234 Butte Table Mtn, on e side Cherokee Rd ca 0.5 mi nw of its jcn with Oregon City Rd. 42 Comment
  CHSC52084  Trichostema lanceolatum B. Castro 1987-9-27 236 Butte Ca 2.5 mi n of Chico airport on nw side of Cohasset Rd, opposite its jcn with Richardson Springs Road. 93 Comment
  CHSC52085  Trichostema lanceolatum B. Castro 1987-10-17 237 Butte Ca 3 mi e of Gridley, in overgrazed horse pasture at side of Stimpson Rd ca 0.7 mi e of its jcn with Hwy 70 at Robinson's Corner. 27 Comment
  CHSC52086  Trichostema lanceolatum B. Castro 1987-10-17 241 Butte Ca 4 mi se of Oroville; a large patch in overgrown pasture on n side Lower Wyandotte Rd ca 0.3 mi e of its jcn with Upper Palermo Rd. 91 Comment
  CHSC52087  Trichostema oblongum B. Castro; L. P. Janeway, R. A. Schlising 1988-7-23 275 Butte Edge of dried vernal pond. 1805 Comment
  CHSC52114  Claytonia palustris B. Castro; P. Broyles, R. A. Schlising, L. P. Janeway 1987-7-19 149 Butte 0.95 mi into Coon Hollow below campground, in meadow on n side of Coon Creek. 1664 Comment
  CHSC52379  Fritillaria affinis B. Castro 1991-3-3 439 Butte Above bend in Cohasset Rd ca 3.5 mi E of its jcn with Richardson Sprs Rd. 268 Comment
  CHSC52776  Ranunculus aquatilis var. hispidulus B. Castro 1982-4-14 16 Butte In stream atop s end of North Table Mtn, off Cherokee Rd ca. 4 mi n of Oroville. 152 Comment
  CHSC52947  Delphinium variegatum subsp. variegatum B. Castro 1982-4-9 9 Butte On roadcut on s side of Hwy 70, ca. 5 mi from jct of Hwys 70 and 149, ca. 9 mi ne of Oroville. 146 Comment
  CHSC56828  Triteleia laxa B. Castro 1982-4-21 20 Butte Scattered near banks of Singer Ck, ca 1 mi w of Hwy 99 off Haille Rd, ca 12 mi n of Chico. 60 Comment
  CHSC60079  Velezia rigida B. Castro; L. P. Janeway 1992-5-9 452 Butte On SE-facing slope of unnamed canyon SE of Neal Road. 76 Comment
  CHSC60100  Monardella venosa B. Castro; J. D. Jokerst 1992-5-19 457 Butte In bottom of canyon SE of Neal Road; ca 200 ft NW of intermittent creek. 79 Comment
  CHSC60101  Monardella venosa B. Castro; L. P. Janeway 1992-5-10 456 Butte In bottom of canyon SE of Neal Road; ca 100 ft NW of intermittent creek. 85 Comment
  CHSC60102  Monardella breweri subsp. lanceolata B. Castro; J. Jurewicz 1991-9-16 447 Butte Ca 23 air mi NE of Oroville, ca 4 mi NE of Mtn. House along Oro-Quincy Hwy, on E side of USFS Rd 22N80 ca 0.2 mi NE of its jcn with the Oro-Quincy Hwy. 1203 Comment
  CHSC60104  Hesperolinon californicum B. Castro; L. P. Janeway 1992-5-9 449 Butte In bottom of unnamed canyon SE of Neal Road in dark, deeply cracking clay in grassland phase of surrounding Foothill Woodland community. 70 Comment
  CHSC60115  Epilobium cleistogamum B. Castro; L. P. Janeway 1992-5-16 455 Butte In bottoms of vernal pools and drainage channels SE of Neal Road. 54 Comment
  CHSC60128  Navarretia heterandra B. Castro; L. P. Janeway 1992-5-15 453 Butte In bottom of canyon SE of Neal Road, ca 100 ft NW of intermittent creek. 73 Comment
  CHSC60129  Navarretia nigelliformis B. Castro; L. P. Janeway 1992-5-9 450 Butte In bottom of unnamed canyon SE of Neal Road. 70 Comment
  CHSC60131  Polygonum bidwelliae B. Castro; L. P. Janeway 1992-5-9 451 Butte On SE-facing slope of unnamed canyon SE of Neal Road, on lava benches. 73 Comment
  CHSC60133  Pterostegia drymarioides B. Castro 1992-5-16 454 Butte In bottom of unnamed canyon SE of Neal Road, in lava lining the moist S-facing vertical bank of intermittent creek. 71 Comment
  CHSC60158  Veronica serpyllifolia var. serpyllifolia B. Castro 1992-5-9 448 Butte Lawn weed at 19th St, S end of Chico. 60 Comment
  CHSC62090  Asclepias cordifolia B. Castro 1987-5-21 119 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. 451 Comment
  CHSC62092  Erigeron inornatus var. inornatus B. Castro 1987-5-21 121 Butte Ca 9 mi E of Chico via Hwy. 32 and ca 2 mi E on Altatina Drive. 457 Comment
  CHSC62101  Heterocodon rariflorum B. Castro 1987-5-21 122 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E of Altatina Drive. 463 Comment
  CHSC62106  Cornus sessilis B. Castro; R. A. Schlising, L. P. Janeway 1987-4-4 53 Butte Ca 4 air mi N of Magalia on the far E end of Paradise Lake, at edge of unnamed creek which feeds into this arm of the lake. 792 Comment
  CHSC62112  Geranium dissectum B. Castro 1987-5-28 127 Butte Ca 2 mi NW of Oroville via Hwy 70 on E side of Table Mtn Blvd, at SE end of curve in road, by seep just downslope from railroad embankment. 97 Comment
  CHSC62113  Ribes roezlii B. Castro 1987-5-21 118 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Alatina Drive. At edge of dense thicket in bed of ephemeral stream between two S-trending ridges. 463 Comment
  CHSC62120  Lythrum hyssopifolia B. Castro 1987-5-28 125 Butte Ca 2 mi NW of Oroville via Hwy 70 on E side of Table Mtn Blvd, at SE end of curve in road, by seep just downslope from railroad embankment. 97 Comment
  CHSC62122  Collomia heterophylla B. Castro 1987-5-7 62 Butte Ca 3 air mi NE of Forest Ranch on the S side of Ponderosa Way ca 0.2 mi E of its jcn with Garland Road, at the trailhead for the Butte Creek Trail (ca 0.5 mi downstream from the Forks of Butte site). 633 Comment
  CHSC62123  Linanthus dichotomus B. Castro; R. A. Schlising, L. P. Janeway 1987-4-4 52 Butte Ca 1 mi N of Magalia on the N side of Ponderosa Way, ca 0.1 mi E of its jcn with Coutolenc Rd. 716 Comment
  CHSC62126  Navarretia filicaulis B. Castro 1987-5-21 123 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. In middle of dirt road along top of ridge. 487 Comment
  CHSC62130  Castilleja rubicundula subsp. rubicundula B. Castro; R. A. Schlising 1986-5-6 50 a Butte Ca 7 air mi N of Chico in a pasture on NW side of Meridian Road ca 0.2 mi E of its jcn with Hwy 99. 56 Comment
  CHSC62132  Keckiella breviflora var. glabrisepala B. Castro 1987-5-21 120 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. 451 Comment
  CHSC62141  Verbascum blattaria B. Castro 1987-5-28 128 Butte Ca 2 mi NW of Oroville via Hwy 70 on E side of Table Mtn Blvd, be seep just downslope from railroad embankment, at SE end of curve in road. 97 Comment
  CHSC62142  Verbena litoralis B. Castro 1987-5-28 126 Butte Ca 2 mi NW of Oroville via Hwy 70 on E side of Table Mtn Blvd, at SE end of curve in road, by seep downslope from railroad embankment. 100 Comment
  CHSC62147  Calycadenia oppositifolia B. Castro 1987-5-21 124 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. In middle of dirt road along top of ridge. 487 Comment
  CHSC62156  Polygonum bidwelliae B. Castro 1987-5-18 98 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. On flat lava outcrop surfaces and edges. 435 Comment
  CHSC62157  Montia fontana subsp. chondrosperma B. Castro; L. P. Janeway, M. Meyer, P. Kelly 1987-3-26 51 Butte Ca 1 mi E of Chico on the S side of Humboldt Rd, near jcn with Bruce Rd, in an area with vernal pools and swales. 76 Comment
  CHSC62162  Erythranthe glaucescens B. Castro 1987-5-7 63 Butte Ca. 2.5 air mi NE of Forest Ranch, downhill from Garland Road, ca 0.6 mi S of its jcn with Ponderosa Way, ca 0.6 mi down the Butte Creek Trail. 609 Comment
  CHSC62319  Panicum capillare B. Castro 1990-10-11 438 Butte Midway between Chico, Paradise and Oroville, ca 0.75 mi NW of 'Pentz', N and W of jcn Pentz and Messilla Valley Roads. In springs at base of W slope of Sausage Mtn. 164 Comment
  CHSC62335  Diospyros B. Castro 1990-5-6 421 Butte Within the Chico Tree Improvement Center at SE edge of Chico, via Morrow Lane, close to banks of a branch of Comanche Creek (or 'Edgar Slough'). 70 Comment
  CHSC62338  Sanicula tracyi B. Castro; R. Fallscheer 1990-4-26 428 Butte Ca 2.5 mi SW of Brush Creek, along Galen Ridge Road. 1005 Comment
  CHSC62343  Senecio aronicoides B. Castro; J. Jurewicz 1990-5-9 429 Butte Ca 0.4 mi NW of Little Bald Rock, 0.2 mi E of Bald Rock Rd. 1005 Comment
  CHSC62348  Polycarpon tetraphyllum B. Castro 1990-5-6 426 Butte In residential area at south end of Chico. 60 Comment
  CHSC62352  Crassula connata B. Castro 1990-3-31 416 Butte Ca 4 mi SW of Paradise, S of Neal Rd ca 0.1 mi SE of Elliot Spring House. 297 Comment
  CHSC62355  Vaccinium parvifolium B. Castro 1990-4-26 427 Butte Ca 0.4 mi NW of Little Bald Rock, 0.2 mi E of Bald Rock Rd. 1005 Comment
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Feb 8 2016
  CHSC62356  Euphorbia spathulata B. Castro 1990-4-21 420 Butte Ca 3 mi SW of Paradise, off Honey Run Rd. Near top of embankment at foot of canyon hillside. 146 Comment
  CHSC62364  Plantago elongata B. Castro 1990-3-31 418 Butte Ca 4 mi SW of Paradise, S of Neal Rd ca 0.1 mi SE of Elliot Spring House. 297 Comment
  CHSC62367  Montia fontana subsp. amporitana B. Castro 1990-3-31 417 Butte Ca 4 mi SW of Paradise, S of Neal Rd ca 0.1 mi SE of Elliot Spring House, in SW-facing lava-lined minor streambed with flat to gentle slope at head of Nugen Cyn. 280 Comment
  CHSC62368  Myosurus minimus B. Castro 1990-4-21 419 Butte Ca 3 mi SW of Paradise, off Honey Run Rd. In depression of old house pad. 140 Comment
  CHSC62371  Celtis B. Castro 1990-5-6 424 Butte Within the Chico Tree Improvement Center at SE edge of Chico, via Morrow Lane, ca 200 ft S of a branch of Comanche Creek (or 'Edgar Slough'). along the entrance road ca 300 ft W of the main office building, at the interface betweeen a riparian and orchard environment. 70 Comment
  CHSC62372  Celtis australis B. Castro 1990-5-6 422 Butte Within the Chico Tree Improvement Center at SE edge of Chico, via Morrow Lane, ca 200 ft S of a branch of Comanche Creek (or 'Edgar Slough'). Along the entrance road ca 50 ft W of the main office building, at the interface between a riparian and orchard environment. 70 Comment
  CHSC62409  Rhus aromatica B. Castro 1987-5-18 111 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive 457 Comment
  CHSC62411  Lomatium macrocarpum B. Castro 1987-5-21 115 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. 493 Comment
  CHSC62412  Tauschia hartwegii B. Castro 1987-5-18 93 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. 463 Comment
  CHSC62422  Calycadenia oppositifolia B. Castro 1987-5-18 110 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. Ca 100 ft above ephemeral drainage. 445 Comment
  CHSC62444  Cerastium arvense B. Castro 1991-4-29 441 Butte Ca 6.5 air mi ENE of Paradise, just upslope from 'Pulga' on W side of the Feather River. On N-facing edge of serpentine ridge near E end of ridge. 853 Comment
  CHSC62445  Paxistima myrsinites B. Castro; L. Janeway 1991-2-17 440 Butte Ca 6 air mi NW of Stirling City at Ewalt Camp, on NW-facing slopes E of W Branch Butte Creek and just W of Carpenter Ridge. Note: Sec 34 given for orientation since no sections are shown on quad map for this vicinity. 944 Comment
  CHSC62449  Cuscuta californica var. breviflora B. Castro 1987-5-18 107 Butte Ca 9 mi e of Chico via Hwy 32 and 2 mi E on Altatina Drive. 438 Comment
  CHSC62461  Zeltnera venusta B. Castro 1987-5-18 102 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. On SW-facing knob at end of S-trending ridge. 451 Comment
  CHSC62466  Nemophila maculata B. Castro; L. Janeway 1991-4-19 442 Butte Ca 10 air mi NE of Oroville, 0.75 mi NW of Oregon Gultch, 0.5 mi S of Montgomery Bar Ravine. 353 Comment
  CHSC62467  Nemophila menziesii var. menziesii B. Castro; L. Janeway 1991-4-19 443 Butte Ca 10 air mi NE of Oroville, 0.25 mi NW of Oregon Gulch, on gentle E-facing slope in N part of a 'Y' formed by jcn of old RR bed and road from Oregon Gulch to Hollow Spring. 295 Comment
  CHSC62469  Stachys pycnantha B. Castro 1990-10-11 437 Butte Midway between Chico, Paradise and Oroville, ca 0.25 mi N of 'Pentz', N of jcn Pentz and Messilla Valley Roads. Along Dry Creek. 115 Comment
  CHSC62478  Chorizanthe polygonoides B. Castro 1987-5-21 117 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. On lava outcrop in bed of ephermeral drainage between two S-trending ridges, in opening in chaparral. 457 Comment
  CHSC62490  Rhamnus ilicifolia B. Castro 1987-5-18 105 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive within general area of Foothill Woodland/Chaparral/Grassland mosaic. 445 Comment
  CHSC62495  Crucianella angustifolia B. Castro 1987-5-18 96 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. 445 Comment
  CHSC62505  Ptelea crenulata B. Castro 1987-5-18 112 Butte CA 9 mi E of Chico via Hwy 32 and ca 2 mi E on Altatina Drive. 451 Comment
  CHSC62506  Penstemon heterophyllus var. purdyi B. Castro 1987-5-18 104 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E of Altatina Drive. 445 Comment
  CHSC62507  Celtis sinensis B. Castro 1990-10-11 436 Butte Midway between Chico, Paradise, and Oroville, ca. 0.3 mi N of 'Pentz', N of jcn Pentz and Messilla Valley Roads. Occasional tree on E edge of Dry Creek. Three other similar trees by house ca 200 yds upstream. 121 Comment
  CHSC62514  Eleocharis macrostachya B. Castro 1987-5-21 116 Butte Ca 9 mi E of Chico via Hwy 32 and ca 2 mi E of Altatina Drive. 454 Comment
  CHSC62515  Juncus bufonius var. congestus B. Castro; L. P. Janeway 1992-5-10 455 a Butte Banks of winding drainage channels in flats just SE of Neal Road. 54 Comment
  CHSC62526  Calycadenia oppositifolia B. Castro 1993-7-7 470 Butte Ca 2.5 mi SSW of Big Bar Mtn. On the N side of USFS Rd 22N84. 944 Comment
  CHSC62529  Madia elegans subsp. elegans B. Castro; J. Jurewicz 1993-7-13 481 Butte Ca 3 mi NW of Brush Creek, along USFS Rd 22N34 as it parallels French Creek, ca 1 mi SW of the low-water crossing at confluence of French and Peavine Creeks. 615 Comment
  CHSC62530  Malacothrix floccifera B. Castro 1993-7-27 486 Butte Ca 3 mi NW of Brush Creek, along USFS Rd 22N34 as it parallels French Creek, ca 0.5 mi SW of the low-water crossing at the confluence of French and Peavine Creeks. 618 Comment
  CHSC62532  Stephanomeria lactucina B. Castro; R. A. Schlising, L. P. Janeway, P. Broyles 1987-7-19 151 Butte Coon Hollow, 1.0 mi SE of the Humbug Summit Rd. 1676 Comment
  CHSC62537  Streptanthus longisiliquus B. Castro; L. P. Janeway, J. Jurewicz 1993-7-6 465 Butte Ca 2.5 mi SSW of Big Bar Mtn, on N side of USFS Rd 22N84 ca 1.1 mi N and E of its jcn with major spur road (Rd 22N84A), on upper slopes of a ridge. On SE-facing road cut. 1005 Comment
  CHSC62539  Campanula scouleri B. Castro; R. A. Schlising, L. P. Janeway, P. Broyles 1987-7-19 156 Butte Wet meadow along the Skyway (Humbug Summit Rd) ca 5.5 mi N of Inskip, at the Cornelia Lott Sank Memorial Spring. 1539 Comment
  CHSC62540  Githopsis specularioides B. Castro 1993-5-17 464 a Butte Near the S end of Rocky Ridge, ca 30 ft w of Rim Road. 877 Comment
  CHSC62541  Githopsis specularioides B. Castro 1993-6-3 464 b Butte Ca 2.5 mi NE of Concow Lake, ca 30 ft E of large bend in Concow Road, 883 Comment
  CHSC62546  Drosera rotundifolia B. Castro; R. A. Schlising, L. P. Janeway, P. Broyles 1987-7-19 154 Butte Southernmost pond on slopes on south side of Coon ... Field redacted by CHSC, contact the data manager for more information 1767 Comment
  CHSC62549  Pyrola aphylla B. Castro; J. Jurewicz 1993-7-6 466 Butte Ca 2.5 mi SSW of Big Bar Mtn, on the N side of USFS Rd 22N84. 975 Comment
  CHSC62552  Hoita orbicularis B. Castro; J. Jurewicz 1993-7-7 469 Butte Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84. 960 Comment
  CHSC62557  Gentianopsis simplex B. Castro; R. A. Schlising, L. P. Janeway, P. Broyles 1987-7-19 157 Butte Meadow along the Skyway (Humbug Summit Rd) ca 5.5 mi N of Inskip, at the Cornelia Lott Sank Memorial Spring. 1539 Comment
  CHSC62558  Monardella breweri subsp. lanceolata B. Castro 1993-7-27 490 Butte Ca 3 mi SW of jcn of French and Peavine Creeks, at SE end of Swayne Hill, on USFS Rd 23N28 ca 0.8 mi W of its jcn with Rd 22N34. 737 Comment
  CHSC62561  Monardella odoratissima subsp. pallida B. Castro 1993-8-3 493 Butte Ca 1 mi S of Big Bar Mtn, 0.5 mi SE of Hungry Hunt Peak, on USFS Rd 22N83 ca. 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CHSC62562  Pycnanthemum californicum B. Castro 1993-7-7 468 Butte Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84. 960 Comment
  CHSC62564  Scutellaria tuberosa B. Castro 1993-4-28 464 Butte Ca 1 air mi N of Bald Rock Dome on SW end of Watson Ridge. On knoll of S-trending ridge, 10-15 ft E of Feather Falls Trail. 929 Comment
  CHSC62566  Satureja douglasii B. Castro; J. Jurewicz 1993-7-8 476 Butte Ca 1.6 mi S of Brush Creek via Bald Rock Rd, at head of drainage basin on W-facing slope. 975 Comment
  CHSC62567  Trichostema lanceolatum B. Castro 1993-7-13 480 Butte Ca 2.5 mi SSW of Big Bar Mtn, on gentle SE-facing slope on the N side of USFS Rd 22N84. 960 Comment
  CHSC62580  Frangula rubra B. Castro 1993-7-7 471 Butte Ca 2.5 mi SSW of Big Bar Mtn, on gentle SE-facing slope on the N side of USFSRd 22N84, at uphill edges of serpentine outcrop among grasses. 960 Comment
  CHSC62581  Kelloggia galioides B. Castro; R. A. Schlising, L. P. Janeway, P. Broyles 1987-7-19 155 Butte Side of jeep road overlooking slopes on south side of Coon Hollow. 1828 Comment
  CHSC62587  Cordylanthus tenuis subsp. tenuis B. Castro 1993-8-5 494 Butte On saddle between Big Bar Mtn and Hungry Hunt Peak, abundant along road edges of sharp curve in USFS Rd 23N28. 1133 Comment
  CHSC62600  Allium jepsonii B. Castro 1993-7-13 487 Butte Ca. 2.5 mi SSW of Big Bar Mtn, on gentle SSE-facing slope on the N side of USFS rd 22N84. 944 Comment
  CHSC62601  Allium jepsonii B. Castro 1993-7-27 489 Butte Ca. 2.5 mi S of Big Bar Mtn, on SSE-facing slope 800 ft along both sides of USFS rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CHSC62602  Allium jepsonii B. Castro 1993-8-5 492 Butte On saddle between Big Bar Mtn and Hungry Hunt Peak, on WSW-facing slope below N edge of sharp curve in USFS Rd 23N28. 1133 Comment
  CHSC62603  Allium jepsonii B. Castro 1993-7-27 488 Butte Ca. 2.5 mi SSW of Big Bar Mtn, 1.1 mi W of jcn of USFS Rd 22N84 with Rd 23N28, and then S to end of spur road which splits off to the S of USFS Rd 22N84. 950 Comment
  CHSC62604  Allium jepsonii B. Castro 1993-8-3 491 Butte Ca 1 mi S of Big Bar Mtn, 0.5 mi SE of Hungry Hunt Peak, on USFS Rd 22N83 ca 0.1 mi W of its jcn with Rd 23N28. 1127 Comment
  CHSC62607  Calochortus superbus B. Castro; J. Jurewicz 1993-7-7 467 Butte Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84. 944 Comment
  CHSC62722  Cardamine pachystigma B. Castro 1993-3-31 461 Butte Ca 1.5 mi E of Mtn House, on N side Four Mile Ridge Road (or USFS Rd 22N33), 0.4 mi W of its jcn with the Oro-Quincy Hwy. On ridgetop. 944 Comment
  CHSC62749  Hypericum concinnum B. Castro 1993-7-13 477 Butte Ca 2.5 mi S of Big Bar Mtn, on SSE-facing slope ca 800 ft along both sides of USFS Rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CHSC62777  Navarretia filicaulis B. Castro 1993-7-13 478 Butte Ca 2.5 mi S of Big Bar Mtn, on SSE-facing slope ca 800 ft along N side of USFS Rd 22N84, ca 0.3 mi E of its jcn with Rd 23N28. 944 Comment
  CHSC62799  Streptopus amplexifolius var. americanus B. Castro 1993-8-26 500 Butte Ca. 0.25 mi SW of Four Trees, off USFS Rd 23N15 ca. 0.6 mi S of its jcn with Four Trees Rd (USFS Rd 23N28). 1463 Comment
  CHSC63633  Draperia systyla B. Castro; R. Zebell 1989-7-20 326 Butte Off the S end of Walker Plains, on steep W-facing slopes off W side of the Oro-Quincy Hwy. 1402 Comment
  CHSC63642  Pycnanthemum californicum B. Castro 1993-8-6 495 Butte Ca 100 ft E of Concow Rd, ca 5.1 mi NW of Hwy 70, ca 0.4 mi E of Concow Reservoir. Behind Golden Feather Volunteer Fire Station at jcn Concow Rd and Ishi Trail Rd. 640 Comment
  CHSC63645  Scutellaria siphocampyloides B. Castro; L. Hanson, R. Zebell 1989-5-30 313 Butte Ca 2 air mi SSW of the Ponderosa Reservoir on Lake Oroville, on Ponderosa Way (USFS Rd 20N24) ca 0.3 mi N of its jcn with Lower Forbestown Rd. 768 Comment
  CHSC63650  Navarretia leptalea B. Castro; R. Zebell 1989-7-20 323 Butte S end of Walker Plains, on W side of the Oro-Quincy Hwy. 1539 Comment
  CHSC63665  Erythranthe breweri B. Castro; R. Zebell 1989-6-8 314 a Butte Ca 3 mi S of Brush Creek, ca 0.1 mi E of Bald Rock Rd in damp granite sandy flats by old logging road. 1005 Comment
  CHSC63666  Diplacus layneae B. Castro; R. Zebell 1989-4-8 315 Butte Ca 3 mi S of Brush Creek, ca 0.3 mi E of Bald Rock Rd in decomposed granite, along New Bean Creek Rd ca 0.3 mi N of Little Bald Rock. 1005 Comment
  CHSC63667  Diplacus torreyi B. Castro; R. Zabell 1989-6-8 314 Butte Ca 3 mi S of Brush Creek, ca 0.1 mi E of Bald Rock Rd. By old logging road in vicinity of meandering creeks. 1005 Comment
  CHSC63669  Tilia americana B. Castro 1989-5-5 313 a Butte CSUC campus, at E end of Kendall Hall. Comment
  CHSC63954  Sanicula tuberosa B. Castro; L. Janeway 1994-4-21 510 Butte On Watson Ridge, on S-trending ridge S of USFS Rd 21N25A. 1054 Comment
  CHSC63957  Cardamine pachystigma B. Castro; L. Janeway 1994-4-21 509 Butte On Watson Ridge, on S-trending ridge S of USFS Rd 21N25A. 1054 Comment
  CHSC63958  Moehringia macrophylla B. Castro; L. P. Janeway, L. Gehrung 1994-4-18 508 Butte On Watson Ridge, on N-facing edge of large knoll. Ca 20 ft uphill from old trail. 1133 Comment
  CHSC63968  Scutellaria tuberosa B. Castro; L. P. Janeway 1994-4-21 511 Butte On Watson Ridge, on S-trending ridge just S of USFS Rd 21N25A. 1054 Comment
  CHSC63970  Clarkia mildrediae subsp. lutescens B. Castro; Robin Fallscheer 1989-7-13 321 Butte Ca 4.5 road mi NE of Brush Creek, ca 0.2 mi SW of Junction House, on NW-facing road cut on SE side of the Oro-Quincy Hwy ca 0.6-0.7 mi S of its jcn with USFS Rd 23N60. 990 Comment
  CHSC63971  Aphyllon epigalium subsp. epigalium B. Castro; G. Kuenster, L. Gehrung 1994-6-1 513 Butte Ca 1.5 air mi ENE of Feather Falls (the falls), ca 1 mi W of Jackson Ranch, on broad S-facing slopes S of jcn USFS Rd 21N25Y and another smaller dirt road. 1054 Comment
  CHSC63973  Allium jepsonii B. Castro 1994-6-28 515 Butte Ca 0.4 mi S of town of Pulga. On W side of Pulga Rd, ca 0.4 mi N of its jcn with Hwy 70 by the Pulga Bridge. 487 Comment
  CHSC63975  Maianthemum stellatum B. Castro; L. Gehrung 1994-5-18 512 Butte On Watson Ridge, ca 50 ft below USFS Rd 21N25. 1152 Comment
  CHSC63976  Proboscidea louisianica B. Castro 1987-8-6 202 Butte E side of Chico Cyn as it heads NE. 91 Comment
  CHSC64003  Physocarpus capitatus B. Castro 1987-9-12 218 Butte At N edge of Butte Ck ca 1.1 mi S of the Ponderosa Way bridge, ca 1 mi S on the Butte Creek Trail, at base of rock slide. 585 Comment
  CHSC64017  Lindernia dubia var. anagallidea B. Castro 1987-8-29 214 Butte At S edge of Butte Ck ca 2.1 mi S of Skyway and ca 1/4 miles E of Hwy 99 bridge. 60 Comment
  CHSC64018  Mimulus moschatus B. Castro 1987-8-29 213 Butte At s edge of Butte Ck ca 2.1 mi S of Skyway and ca 1/4 mile E of Hwy 99 bridge. 60 Comment
  CHSC64022  Verbena lasiostachys var. scabrida B. Castro 1987-9-12 217 Butte In damp sand at N edge of Butte Ck ca 0.6 mi of Forks of Butte, ca 0.1 mi S on the Butte Creek Trail. 609 Comment
  CHSC64060  Azolla filiculoides B. Castro; L. P. Janeway, M. Halterman, C. Pidgeon 1987-10-17 247 Butte Graylodge Waterfowl Management Area, ca. 0.5 mi NW of the headquarters. 20 Comment
  CHSC64061  Sphenosciadium capitellatum B. Castro; R. A. Schlising, L. P. Janeway 1988-7-23 278 Butte Nr Scotts John Ck 2.7 mi N of the Butte Ck Rd. Edge of Ck. 1920 Comment
  CHSC64064  Ambrosia artemisiifolia B. Castro; L. P. Janeway, M. Halterman, C. Pidgeon 1987-10-17 246 Butte At Graylodge Waterfowl Management Area. Ca 0.25 mi NW of the headquarters. 21 Comment
  CHSC64072  Hemizonia congesta subsp. luzulifolia B. Castro 1987-9-25 226 Butte Ca 50 ft E of Hwy 99 ca 4 mi N of E. Biggs Rd, near a seep at a pumping station just W of the Thermalito Afterbay levee. 32 Comment
  CHSC64076  Paulownia tomentosa B. Castro 1989-4-11 308 Butte On corner of 7th and Flume Streets at the edge of downtown Chico. Comment
  CHSC64084  Pseudostellaria jamesiana B. Castro; R. A. Schlising, L. P. Janeway 1988-7-23 277 Butte Nr Scotts John Ck 2.7 mi N of the Butte Ck Rd. Edge of Ck. 1920 Comment
  CHSC64086  Hosackia crassifolia B. Castro; R. A. Schlising, L. P. Janeway 1988-7-30 285 Butte On SW-facing slope above Coon Hollow, along sides of dirt road (USFS Rd 26N74) ca. 1.6 mi NE of the creek. 1813 Comment
  CHSC64089  Trifolium breweri B. Castro; R. A. Schlising, L. P. Janeway, J. Fuller 1988-7-11 270 b Butte At Crane Valley, a large montane meadow on upper Big Kimshew Creek. 1569 Comment
  CHSC64108  Trichostema lanceolatum B. Castro 1987-9-25 230 Butte Fernandez Grant area. Field at jcn Biggs East Rd and Dos Rios Rd at e side of East Biggs. 33 Comment
  CHSC64120  Epilobium canum subsp. latifolium B. Castro 1987-9-12 221 Butte Ca 100 ft up from N edge of Butte Ck ca 0.6 mi S of the Ponderosa Way bridge, ca 0.5 mi S on Butte Creek Trail, by N edge of trail. 609 Comment
  CHSC64123  Navarretia viscidula subsp. purpurea B. Castro; L. P. Janeway 1988-6-5 262 Butte On slope above Little Chico Ck. 243 Comment
  CHSC64124  Polygala cornuta B. Castro 1987-9-12 220 Butte Ca 50 ft up from N edge of Butte Ck ca 0.4 mi S of the Ponderosa Way bridge, ca 0.3 mi S on the Butte Creek Trail. 609 Comment
  CHSC64136  Physalis acutifolia B. Castro 1987-10-6 235 Butte At CSUC University Farm, along dirt road between berry vines and almond orchard. 45 Comment
  CHSC64138  Verbena hastata B. Castro 1988-7-28 281 Butte Ca 0.5 mi W of jcn Hwy 149 and Hwy 70, on N side of Hwy 149. 76 Comment
  CHSC64407  Sanicula tuberosa B. Castro; L. Janeway 1994-7-6 523 Butte Ca 1.5 air mi ENE of Feather Falls (the falls), ca 1 mi W of Jackson Ranch, on main E-W ridge, a few yards off S edge of USFS Rd 21N25Y. 1143 Comment
  CHSC64452  Collomia grandiflora B. Castro; L. P. Janeway 1994-7-6 524 Butte Ca 4 air mi NE of Feather Falls (the falls), at N edge of USFS Rd 21N92 as it contours around S-facing head of drainage basin. 1188 Comment
  CHSC65544  Cardamine pachystigma B. Castro; L. Janeway 1995-2-21 557 Butte On W end of Watson Ridge, on W-trending ridge ca 300 ft W of where USFS Rd 21N25A appears to end, but actually narrows and turns abruptly to the S. 996 Comment
  CHSC70778  Sanicula graveolens B. Castro 1995-5-18 569 Butte Ca 2 air mi N of Feather Falls, towards western end of Watson Ridge, on S side of USFS Rd 21N25. On dirt berm 15-20 ft S of road edge. 1094 Comment
  CHSC70784  Jensia rammii B. Castro; L. Gehrung 1995-5-9 567 Butte Ca 4 air mi E of Oroville, ca 2.2 mi E of jcn of Oro-Quincy Hwy with Forbestown Rd, within 15 ft of S edge of Forbestown Rd. 426 Comment
  CHSC70788  Cardamine pachystigma B. Castro 1995-5-9 566 Butte Ca 10 air mi E of Oroville, across Forbestown Road from jcn with road up to Sunset Hill Lookout. within 15 ft of S edge of Forbestown Rd. 990 Comment
  CHSC70789  Cardamine pachystigma B. Castro 1995-5-18 568 Butte Ca 2 air mi N of Feather Falls, toward western end of Watson Ridge, on S side of USFS Rd 21N25. 15-20 ft S of road edge. 1094 Comment
  CHSC70790  Downingia bicornuta var. bicornuta B. Castro 1995-6-6 574 Butte Ca 4 air mi SE of Chico, W of Hwy 99, on E side of the Oro-Chico Hwy ca 0.3 mi N of its jcn with Neal Road. 53 Comment
  CHSC70793  Hoita orbicularis B. Castro; H. Durio, L. Gehrung 1995-7-24 590 A Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CHSC70797  Nemophila spatulata B. Castro 1995-5-18 570 Butte Ca 2 air mi N of Feather Falls, towards western end of Watson Ridge, in meadow at the old Watson Cabin site, north of USFS Rd 21N25. In upper third of meadow, in very moist soil just downslope from spring. 1109 Comment
  CHSC70800  Monardella breweri subsp. lanceolata B. Castro 1989-8-1 332 Butte Ca 3.5 road mi E of Brush Creek on Milsap Bar Rd. Ca 100 ft S of rd. 853 Comment
  CHSC70803  Pycnanthemum californicum B. Castro; H. Durio, L. Gehrung 1995-7-24 591 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CHSC70807  Zeltnera venusta B. Castro; H. Durio, L. Gehrung 1995-7-25 592 Butte Ca 2.5 air mi SSW of Big Bar Mtn, on N side of USFS Rd 22N84. 944 Comment
  CHSC70808  Ammannia robusta B. Castro 1987-9-17 250 Butte Ca 7 mi SE of Chico, 0.6 mi N of jcn Hwys 99/149, on W side of Hwy 99 across from entrance to trout farm. 56 Comment
  CHSC70809  Polygala cornuta var. cornuta B. Castro 1995-7-20 587 Butte Ca 2 air mi NW of Feather Falls, at western end of Watson Ridge, at W end of USFS Rd 21N25 along trail. 1005 Comment
  CHSC70812  Montia linearis B. Castro 1995-5-18 571 Butte Ca 2 air mi N of Feather Falls, towards western end of Watson Ridge, in meadow at the old Watson Cabin site, north of USFS Rd 21N25. In upper third of meadow, in very moist soil just downslope from spring. 1109 Comment
  CHSC70813  Agrimonia gryposepala B. Castro; H. Durio, L. Gehrung 1995-7-24 590 Butte Ca 1.5 air mi S of Hungry Hunt Oeak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CHSC70817  Centranthus ruber B. Castro 1995-4-13 559 Butte N edge of town of Oroville, on open, disturbed cobbly flat on the S side of the Feather River, just E of its crossing under Hwy 70. On S side of levee, in vacant lot by residential area. 51 Comment
  CHSC70820  Brodiaea sierrae B. Castro; H. Durio, L. Gehrung 1995-7-25 593 Butte Ca. 2.5 air mi SSW of Big Bar Mtn, on N side of USFS Rd 22N84. 944 Comment
  CHSC70823  Agrostis exarata var. monolepis B. Castro; H. Durio, L. Gehrung 1995-7-24 589 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S of 'A' Spur off USFS Rd 22N84. 914 Comment
  CHSC70825  Agrostis pallens B. Castro; H. Durio, L. Gehrung 1995-7-24 588 Butte Ca 1.5 air mi S of Hungry Hunt Peak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84. 914 Comment
  CHSC73399  Perideridia howellii B. Castro 1995-9-10 611 Butte Watson Cabin Meadow. Ca 2 air mi N of Feather Falls, towards western end of Watson Ridge, in meadow at the old Watson Cabin site, north of USFS Rd 21N25. In upper third of meadow. 1109 Comment
  CHSC73410  Lonicera involucrata var. involucrata B. Castro; L. Gehrung 1995-6-20 578 Butte Ca 4 air mi NE of Feather Falls towards northeastern end of Watson Ridge, in moist N-trending ravine (within Mixed Conifer forest) S of sharp bend in USFS Rd 22N24. 1173 Comment
  CHSC73415  Gaultheria ovatifolia B. Castro; L. Gehrung 1995-6-20 577 Butte Ca 4 air mi NE of Feather Falls, towards northeastern end of Watson Ridge, in N-trending ravine S of sharp bend in USFS Rd 22N24. 1173 Comment
  CHSC73418  Pyrola asarifolia subsp. asarifolia B. Castro; L. Gehrung 1995-6-20 576 Butte Ca 4 air mi NE of Feather Falls, towards northeastern end of Watson Ridge, in moist N-trending ravine, S of sharp bend in USFS Rd 22N24. 1173 Comment
  CHSC73490  Juncus covillei var. obtusatus B. Castro; L. Gehrung 1995-7-26 598 Butte Pinkard Mdw. Meadow along Pinkard Creek, ca 0.7 air mi W of Sly Creek Reservoir and 0.5 mi E of Mooreville Ridge, via a spur off USFS Rd 22N24.5. Meadow E of road. 1143 Comment
  CHSC73491  Juncus dubius B. Castro; L. Gehrung 1995-7-26 597 Butte Pinkard Meadow. Meadow along Pinkard Creek, ca 0.7 air mi W of Sly Creek Reservoir and 0.5 mi E of Mooreville Ridge, via a spur off USFS Rd 22N24.5. In center of moist meadow E of road. 1143 Comment
  CHSC73552  Polypogon australis B. Castro; L. Gehrung 1995-7-26 595 Butte Pinkard Mdw. Meadow along Pinkard Creek, ca 0.7 air mi W of Sly Creek Reservoir and 0.5 mi E of Mooreville Ridge, via a spur off USFS Rd 22N24.5. In meadow E of road. 1143 Comment
  CHSC73731  Sanicula graveolens B. Castro 1997-6-30 725 Butte Ca. 2.2 air mi NE of Brush Creek and 1 mi ENE of Mtn. House, on S-facing slope of ridge overlooking Mtn House Creek. On N edge of USFS Rd 22N54, ca 1.1 rd mi E of the Oro-Quincy hwy, at base of road cut. 1066 Comment
  CHSC73734  Tauschia kelloggii B. Castro 1997-4-30 726 Butte Ca 2.2 air mi NE of Brush Creek and 1 mi ENE of Mtn. House, on S-facing slope of ridge overlooking Mtn House Creek. On n edge of USFS Rd 22N54, ca 1.1 rd mi E of the Oro-Qunicy hwy, at base of road cut. 1066 Comment
  CHSC73741  Sericocarpus oregonensis B. Castro; L. Hanson 1996-8-22 717 Butte Ca 1.2 air mi NE of confluence of Middle Fork Feather River with its South Branch, on the extreme W end of Mtn Spring House Ridge, near overlook to Seven Falls on short S-trending ridge. 944 Comment
  CHSC73745  Ericameria nauseosa var. speciosa B. Castro 1996-8-20 714 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of sharp curve in USFS Rd 23N00. 1216 Comment
  CHSC73757  Cardamine pachystigma B. Castro 1996-3-26 658 Butte Ca 7.5 air mi NW of Brush Creek, 0.6 mi SE of Big Bar Mtn, and 150 ft S of USFS Rd 23N28, at E edge of meadow below Wyman Spring. 1188 Comment
  CHSC73765  Paxistima myrsinites B. Castro 1997-6-13 737 Butte Mtn House Proposed SIA. Ca 1.5 air mi NE of Brush Creek and 0.4 air mi ESE of Mtn. House, where Mtn House Creek crosses under USFS Rd 22N54. On E side of road, in depression by creek. 1051 Comment
  CHSC73813  Rubus glaucifolius B. Castro; L. Hanson 1996-8-22 718 Butte Ca 1.2 air mi NE of confluence of Middle Fork Feather River with its South Branch, on the extreme W end of Mtn Spring House Ridge. On knoll, ca 0.2 mi N of overlook to Seven Falls. 1005 Comment
  CHSC73819  Galium triflorum B. Castro 1997-6-13 743 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1066 Comment
  CHSC73821  Castilleja lineariloba B. Castro 1998-5-11 788 Butte On W-facing roadcut slopes above the Oro-Quincy Hwy, 4 mi e of its jcn with Forbestown Rd and 1.1 rd mi E of Bidwell Bar Bridge, by Lake Oroville. 313 Comment
  CHSC73827  Styrax officinalis var. redivivus B. Castro; L. Hanson 1996-8-22 719 Butte Ca 1.2 air mi NE of confluence of Middle Fork Feather River with it South Branch, on the extreme W end of Mtn Spring House Ridge. On SW-facing slope of knoll, ca 0.2 mi NW of overlook to Seven Falls. 969 Comment
  CHSC73881  Bromus orcuttianus B. Castro 1997-6-13 741 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1082 Comment
  CHSC73886  Festuca californica B. Castro 1997-6-13 736 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. Along dirt road edges. 1082 Comment
  CHSC73888  Festuca occidentalis B. Castro 1997-6-13 740 Butte Mountain House proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1082 Comment
  CHSC73890  Festuca subuliflora B. Castro 1997-6-13 738 Butte Mtn. House Proposed SIA. Ca 1.5 air mi NE of Brush Creek and 0.4 air mi ESE of Mtn. House, where Mtn House Creek crosses under USFS Rd 22N54. On E side of road by creek. 1051 Comment
  CHSC73895  Melica harfordii B. Castro 1997-6-13 739 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. Along dirt road edges. 1082 Comment
  CHSC73896  Melica subulata B. Castro 1997-6-13 742 Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. Along dirt road edges. 1082 Comment
  CHSC73912  Perideridia lemmonii B. Castro 1998-7-28 814 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Near water-hole in center of meadow. 929 Comment
  CHSC73931  Eriophyllum lanatum var. croceum B. Castro; L. Gehrung 1998-7-16 809 Butte Ca 7.5 air mi NW of Brush Creek, ca 0.7 mi SE of Big Bar Mtn, on N edge of USFS Rd 22N73X/76X, ca 0.35 E of its jcn with the main road (USFS Rd 23N28). In bed of old logging road. 1194 Comment
  CHSC73945  Pleuricospora fimbriolata B. Castro; L. Gehrung 1998-6-23 795 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, on W side of Oro-Quincy Hwy, on E side of SW-trending ridge overlooking Get-Up-and-Get Creek. 1191 Comment
  CHSC73949  Trifolium breweri B. Castro; Linnea Hanson 1996-5-24 664 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of the sharp curve in USFS Rd 23N00. 1216 Comment
  CHSC73976  Eriogonum ursinum var. ursinum B. Castro; L. Gehrung 1998-7-2 801 Butte Ca y air mi NW of Brush Creek, ca 0.5 mi E of Hungry Hunt Peak, ca 200 ft W of USFS Rd 23N28. 1091 Comment
  CHSC73980  Persicaria hydropiper B. Castro 1995-9-10 612 Butte Ca 2 air mi N of Feather Falls, towards western end of Watson Ridge, in meadow at the old Watson Cabin site, north of USFS Rd 21N25. In upper third of meadow. 1109 Comment
  CHSC74020  Juncus balticus subsp. ater B. Castro 1998-6-18 793 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Moist meadow, at end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC74026  Juncus oxymeris B. Castro 1998-7-8 804 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Along footpath. 929 Comment
  CHSC74029  Allium membranaceum B. Castro; Plumas NF botanists 1997-6-13 743 A Butte Mtn. House Proposed SIA. Ca 2 air mi NE of Brush Creek and 1.1 air mi E of Mtn. House, along the 'C' spur off USFS Rd 22N54, south of Mtn House Creek. 1082 Comment
  CHSC74031  Brodiaea sierrae B. Castro 1998-7-28 812 Butte Ca. 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Sunset Hill Meadow. 929 Comment
  CHSC74033  Triteleia bridgesii B. Castro 1998-7-8 803 Butte Ca 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Sunset Hill Meadow. 929 Comment
  CHSC74035  Achnatherum nelsonii subsp. dorei B. Castro; Linnea Hanson 1996-5-24 665 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of sharp curve in USFS Rd 23N00. 1216 Comment
  CHSC74036  Brachypodium distachyon B. Castro 1996-5-18 661 Butte Ca 5.5 air mi SE of Town of Paradise, in bottom of unnamed canyon just S of Neal Road, ca 60 ft N of creek channel directly under transmission lines. 85 Comment
  CHSC74039  Danthonia californica var. americana B. Castro 1998-7-8 802 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Meadow at end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC74040  Elytrigia pontica subsp. pontica B. Castro 1998-7-8 805 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca. 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Below footpath at upper edge of meadow. 929 Comment
  CHSC74041  Festuca arundinacea B. Castro; Linnea Hanson 1996-5-24 666 Butte Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on the W side of sharp curve in USFS Rd 23N00. 1216 Comment
  CHSC74046  Festuca subulata B. Castro; L. Gehrung 1998-7-2 801 A Butte Ca 7 air mi NW of Brush Creek, ca 0.5 mi E of Hungry Hunt Peak, on W edge of USFS Rd 23N28. 1091 Comment
  CHSC74052  Trisetum canescens B. Castro; L. Gehrung 1998-7-2 799 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CHSC74059  Perideridia parishii subsp. latifolia B. Castro 1998-7-28 815 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. 929 Comment
  CHSC74070  Madia elegans subsp. elegans B. Castro 1998-7-28 801 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. In upper (NE) edge of meadow. 929 Comment
  CHSC74072  Anisocarpus madioides B. Castro 1998-6-18 792 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC74079  Triodanis perfoliata B. Castro; L. P. Janeway 1992-5-10 454 A Butte In bottom of unnamed canyon just SE of Neal Road, opposite the Butte County Landfill, ca 1.5 mi E of Hwy 99. 71 Comment
  CHSC74081  Herniaria hirsuta subsp. hirsuta B. Castro 1996-8-20 715 Butte Black Jack Fire. Ca 5 air mi N of Brush Creek, ca 0.25 mi S of Rogers Cow Camp via 'J' spur rd S of USFS Rd 23N15. 1222 Comment
  CHSC74084  Dysphania pumilio B. Castro 1996-8-20 716 Butte Ca 5 air mi N of Brush Creek, ca 0.25 mi S of Rogers Cow Camp via 'J' spur rd S of USFS Rd 23N15. 1222 Comment
  CHSC74086  Euphorbia crenulata B. Castro; E. Hubert 1996-7-18 682 A Butte Ca 4.5 air mi NW of town of Brush Creek, ca 1.5 air mi W of French Creek, on N side of USFS Rd 22N31. In clearcut area on either side of tributary to Bush Creek. 853 Comment
  CHSC74088  Acmispon grandiflorus var. macranthus B. Castro; E. Hubert 1996-7-16 683 Butte BlackJack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on SE-facing slope of recently burned area. 1188 Comment
  CHSC74089  Hosackia oblongifolia var. oblongifolia B. Castro; E. Hubert 1996-7-16 684 Butte BlackJack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on S-facing slope of recently burned area. 1188 Comment
  CHSC74090  Medicago polymorpha B. Castro 1998-5-11 790 Butte Ca 2.5 air mi E of the Oro-Quincy Hwy, at Milsap Bar, on the W side of Milsap Bar Road's bridge over the Middle Fork Feather River. 498 Comment
  CHSC74095  Pycnanthemum californicum B. Castro 1998-7-28 813 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt road at E edge of old homestead site. 929 Comment
  CHSC74097  Lythrum hyssopifolia B. Castro; L. P. Janeway 1996-5-19 662 Butte Ca 3 air mi NE of Chico, in Upper Bidwell Park on spine of ridge between Sycamore and Big Chico Creeks, just S of North Rim Trail. 320 Comment
  CHSC74102  Clarkia mosquinii B. Castro; L. Gehrung 1998-8-19 822 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, 100-300 ft W of Oro-Quincy Hwy on SE-facing side of SW-trending ridge E of Get-Up-and-Get Creek. 1210 Comment
  CHSC74115  Chorizanthe stellulata B. Castro; L. P. Janeway 1996-5-19 663 Butte Ca e air mi NE of Chico, in Upper Bidwell Park on spine of ridge between Sycamore and Big Chico Creeks, just N of North Rim Trail ca 250 f W of jcn with trail from Diversion Dam. 335 Comment
  CHSC74119  Horkelia californica subsp. dissita B. Castro 1998-7-28 811 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Meadow at end of old dirt rd at E edge of old homestead site. Near eastern edge of meadow. 929 Comment
  CHSC74133  Carex hirtissima B. Castro 1998-6-18 794 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC74143  Juncus dubius B. Castro 1998-7-8 806 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. 929 Comment
  CHSC74147  Achnatherum nelsonii subsp. dorei B. Castro 1998-6-18 791 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. 929 Comment
  CHSC74153  Bromus laevipes B. Castro; E. Hubert 1996-7-16 685 Butte Black Jack Fire. Ca 5 air mi N of Brush Creek, ca 0.4 mi S of Rogers Cow Camp on slope of recently burned area at edge of forest. Near drainage. 1158 Comment
  CHSC74161  Elytrigia intermedia subsp. intermedia B. Castro 1996-8-7 706 Butte French Fire. Ca 2 air mi NNW of town of Brush Creek, on slope of Mosquito Ridge, on S side of USFS Rd 22N96X. 822 Comment
  CHSC74162  Festuca occidentalis B. Castro 1996-8-7 707 Butte French Fire. Ca 2 air mi NNW of town of Brush Creek, on S-facing slope of Mosquito Ridge, on S side of USFS Rd 22N96X. 822 Comment
  CHSC74163  Festuca occidentalis B. Castro; E. Hubert 1996-7-18 682 Butte Ca 4.5 air mi NW of town of Brush Creek, ca 1.5 air mi W of French Creek, on S side of USFS Rd 22N31 and just E of Rd 22N34Y. In clearcut area on either side of tributary to Bidwell Creek. 865 Comment
  CHSC74164  Festuca subulata B. Castro; L. Gehrung 1998-7-2 798 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CHSC74165  Festuca subulata B. Castro; L. Gehrung 1998-6-23 796 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, ca 200 ft W of Oro-Quincy Hwy on E side of ridge overlooking Get-Up-and-Get Creek. Ca 100 ft above creek channel. 1213 Comment
  CHSC74167  Melica aristata B. Castro; L. Gehrung 1998-8-19 823 Butte Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, 100-300 ft W of Oro-Quincy Hwy on top and upper sides of ridge E of Get-Up-and-Get Creek. 1213 Comment
  CHSC74168  Melica harfordii B. Castro; L. Gehrung 1998-7-2 800 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CHSC74172  Poa compressa B. Castro 1998-7-8 807 Butte Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. At end of old dirt rd at E edge of old homestead site. Near edges of meadow. 929 Comment
  CHSC74347  Vulpia microstachys var. microstachys B. Castro 1998-5-11 789 Butte Ca 2.5 air mi E of the Oro-Quincy Hwy, at Milsap Bar, on the W side of Milsap Bar Road's bridge over the Middle Fork Feather River. Above road. 498 Comment
  CHSC74363  Lagophylla glandulosa B. Castro 1998-6-13 790 D Butte Ca 5.5 air mi SE of Town of Paradise, in bottom of unnamed canyon just S of Neal Road, ca 80 ft N of creek channel, directly under transmission lines. 85 Comment
  CHSC74364  Leontodon saxatilis subsp. longirostris B. Castro 1998-6-13 790 C Butte Ca 5.5 air mi SE of Town of Paradise, in bottom of unnamed canyon just S of Neal Road, ca 80 ft N of creek channel, directly under transmission lines. 85 Comment
  CHSC74669  Colutea arborescens B. Castro; Elizabeth McClintock 1988-3-7 255 Butte Lower Bidwell Park, Chico. On North Park Drive, on N side of Big Chico Creek, near end of bridge which connects with a large thicket of this species on the opposite side of the creek in the vicinity of Cedar Grove. Comment
  CHSC74674  Centaurium tenuiflorum B. Castro 1998-6-13 790 B Butte Ca 5.5 air mi SE of Town of Paradise, in bottom of unnamed canyon just S of Neal Road, ca 80 ft N of creek channel, directly under transmission lines. 85 Comment
  CHSC74694  Polygonum bidwelliae B. Castro 1998-6-13 790 E Butte Ca 5.5 air mi SE of Town of Paradise, directly opposite County Landfill, at edge of N side of unnamed canyon just S of Neal Road, under transmission lines. 128 Comment
  CHSC74724  Eleocharis B. Castro; L. Gehrung 1998-7-2 797 Butte Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage. 1021 Comment
  CHSC74726  Lipocarpha aristulata B. Castro 1987-8-25 203 A Butte Lower Butte Creek, on cobble and gravel bars along S edge, ca 0.25 mi E of its crossing under Hwy 99, and 2.1 mi S of the Skyway. 60 Comment
  CHSC74733  Triteleia ixioides subsp. scabra B. Castro; L. Gehrung 1998-6-18 794 A Butte Two to four air miles W of Forbestown, on S side of Forbestown Rd between Lumpkin Rd and Sunset Hill. 792 Comment
  CHSC76347  Sagittaria sanfordii B. Castro; B. Hendrickson, L. Janeway, J. Marr, C. Warren 1999-7-8 1000 Butte About 12 air miles N of Chico, 0.5 mi W of Hwy 99 just S of the Butte-Tehama Co line, at the Wurlitzer Unit of the Vina Plains Preserve, at NE edge of farm pond. 57 Comment
  CHSC97005  Calycadenia multiglandulosa B. Castro; L. P. Janeway 2005-6-5 1481 Butte Ca 6 air mi SE of Chico, in bottom of canyon SE of Neal Rd, ca 100 ft nw of intermittent creek. 85 Comment
  CHSC97006  Phalaris brachystachys B. Castro; R. A. Schlising 2005-5-29 1478 Butte Ca 6 air mi SE of Chico, in bottom of canyon SE of Neal Rd, ca 100 ft nw of intermittent creek. 85 Comment
  CHSC97007  Grindelia hirsutula var. davyi B. Castro 2007-6-26 1656 Butte Northern High Sierra Nevada. Along Hwy 70 2.1 road miles northeast of Jarbo Gap, at the Plumas National Forest sign; 1.6 air miles northwest of North Fork Feather River. At the east-facing canyon edge of the road pullout area. 633 Comment
  CHSC97037  Hemizonella minima B. Castro; Plumas NF/Feather River RD botanists 2005-6-6 1484 Butte On SW end of Lumpkin Ridge, ca 6 3/4 air mi NE of town of Feather Falls and 1.3 mi E of the 'Camp 18' site on topo maps. Ca 300 ft SE of USFS Rd 22N27 (Lumpkin Rd). ca 2 mi E of its jcn with the County Rd and USFS Rd 22N94 to Fall River. 1295 Comment
  CHSC97038  Navarretia divaricata subsp. vividior B. Castro; Plumas NF/Feather River RD botanists 2005-6-6 1483 Butte On SW end of Lumpkin Ridge, ca 6 3/4 air mi NE of town of Feather Falls and 1.3 mi E of the 'Camp 18' site on topo maps. Ca 300 ft SE of USFS Rd 22N27 (Lumpkin Rd). ca 2 mi E of its jcn with the County Rd and USFS Rd 22N94 to Fall River. 1295 Comment
  CHSC97040  Triteleia ixioides var. scabra B. Castro; Shannon Nielsen 2005-6-29 1486 Butte Ca 2 air mi W of town of Feather Falls, at N end of Mooretown Ridge, on USFS Rd 20N67 ca 0.5 mi NW of its jcn with Lumpkin Ridge and ca 0.1 mi NW of jcn with old RR grade. 755 Comment
  CHSC97041  Phacelia vallicola B. Castro; Plumas NF/Feather River botanists 2005-6-6 1485 Butte On SW end of Lumpkin Ridge, ca 6 3/4 air mi NE of town of Feather Falls and 1.3 mi E of the 'Camp 18' site on topo maps. Ca 300 ft SE of USFS Rd 22N27 (Lumpkin Rd). ca 2 mi E of its jcn with the County Rd and USFS Rd 22N94 to Fall River. 1295 Comment
  CHSC97042  Zeltnera muehlenbergii B. Castro; L. P. Janeway 2005-6-5 1480 Butte Ca 6 air mi SE of Chico, in bottom of canyon SE of Neal Rd, ca 100 ft nw of intermittent creek. 85 Comment
  CHSC97043  Centaurium tenuiflorum B. Castro; L. P. Janeway 2005-6-5 1479 Butte Ca 6 air mi SE of Chico, in bottom of canyon SE of Neal Rd, ca 100 ft nw of intermittent creek. 85 Comment
  CHSC97044  Quercus durata B. Castro; Plumas NF/Feather River botanists 2005-6-23 1490 Butte At E edge of ridge above Magalia, off E end of Hollywood Drive, in USFS parcel about midway between Paradise Lake and Magalia Res., overlooking Little Butte Ck. On isolated serpentine outcrop. 755 Comment
  CHSC98657  Festuca californica B. Castro; L. P. Janeway 2005-8-9 1525 Butte Ca 20 air mi NNE of Oroville and 2 mi S of Flea Mtn, along Rim Rd ca 1 mi SE of its jcn with Concow Rd. On uphill edge of road, on NE-facing slope. 987 Comment
  CHSC98659  Trichostema simulatum B. Castro; L. P. Janeway 2005-8-2 1508 Butte Ca. 1.5 mi E of Magalia, 0.5 mi E of Sawmill Peak, on N side of USFS Rd 23N07 connecting Ponderosa Way with the Lookout. Just off N edge of road. 950 Comment
  CHSC98660  Eriogonum ursinum var. ursinum B. Castro; L. P. Janeway 2005-8-8 1513 Butte Ca 20 air mi NNE of Oroville and 2 mi S of Flea Mtn, along Rim Rd ca 1 mi SE of its jcn with Concow Rd. E-facing upper edge of knoll on rocky serpentine ridge within patchy lower Mixed Conifer forest. 1021 Comment
  CHSC98661  Triteleia bridgesii B. Castro; L. P. Janeway 2005-8-2 1510 Butte Ca. 1.5 mi E of Magalia, 0.5 mi E of Sawmill Peak, on NNW-facing slope of ridge ca 0.2 mi W of Ponderosa Way in upper end of NW-trending drainage. 926 Comment
  CHSC98662  Antirrhinum cornutum B. Castro; L. P. Janeway 2005-8-3 1511 Butte Ca 20 air mi NNE of Oroville and 1.2 mi S of Flea Mtn, along Concow Rd ca 0.1 mi N of its jcn with Rim Rd. Along narrow path under power lines just W of Concow Rd, in small openings. 1002 Comment
  CHSC98663  Polygonum douglasii subsp. majus B. Castro; L. P. Janeway 2005-8-2 1509 Butte Ca. 1.5 mi E of Magalia, 0.5 mi E of Sawmill Peak, on NNW-facing slope of ridge ca 0.2 mi W of Ponderosa Way in upper end of NW-trending drainage. 932 Comment
  CHSC98664  Phacelia purpusii B. Castro; L. P. Janeway 2005-8-1 1506 Butte Ca 0.5 mi S of Paradise Lake, on slopes overlooking Little Butte Creek, W of Coutelenc Rd and E of Creek. On rocky NW-facing open serpentine slope. 768 Comment
  CHSC98665  Piperia elongata B. Castro; L. P. Janeway 2005-8-1 1507 Butte Ca 0.5 mi S of Paradise Lake, on slopes overlooking Little Butte Creek, W of Coutelenc Rd and E of Creek. On NW-facing slope, along old dirt road going SW off Coutelenc Rd. 780 Comment
  HSC93643  Monardella venosa B. Castro 1996-5-18 659 Butte 5.5 mi. SE of Paradise, in bottom of unnamed canyon just S of Neal Rd., 60 ft. N of creek channel directly under transmission lines 85 Comment
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Dec 20 2012
  JEPS118641  Stachys pycnantha B. Castro and L. P. Janeway 2002-8-11 1380 Butte Northern High Sierra Nevada. Along NW side of Hwy 70, 0.8 mi NE of Jarbo Gap; at roadside seep feeding unnamed ephemeral tributary of N. Fork Feather River. Berry Creek 7.5' Quad. Comment
  JEPS118642  Arceuthobium campylopodum B. Castro and L. P. Janeway 2002-7-7 1378 Butte High Cascade Range. Along logging spur road, 2.1 mi NE of Bald Mountain Lookout and 0.6 mi SW of Jones Meadow. Comment
  JEPS118643  Arctostaphylos mewukka subsp. truei B. Castro and L. P. Janeway 2002-7-20 1379 Butte Northern High Sierra Nevada. Flat-topped knoll on E side of Lumpkin Ridge Road 1.3 mi E of the old Camp 18 site, and 0.2 mi SW of junction with USFS Rd 22N24 (which goes N and crosses Fall River). Comment
  JEPS120480  Hesperolinon micranthum B. Castro, L. P. Janeway 2004-6-13 1468 Butte Northern High Sierra Nevada. Along Old Forebestown Road 1.6 road mi SE of Forbestown Reservoir Road; 2.25 air mi E of Forestown; near headwaters of Costa Creek; 0.15 rd mi NW of jcn with Abernathy Rd. Comment
  JEPS120491  Quercus X morehus B. Castro 2003-9-10 1461 Butte CA 15 mi NE of Oroville, on the slopes over the West Branch Feather River across from the Lime Saddle area. Just below State Recreation Area boundary. Comment
  JEPS120502  Navarretia filicaulis B. Castro, L. P. Janeway 2004-6-13 1469 Butte Northern High Sierra Nevada. Along Old Forebestown Road 1.6 road mi SE of Forbestown Reservoir Road; 2.25 air mi E of Forestown; near headwaters of Costa Creek; 0.15 rd mi NW of jcn with Abernathy Rd. Comment
  JEPS120530  Trifolium vesiculosum B. Castro 2012-6-27 1934 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek ca 0.5 mi downstream (W) of its crossing under the Cohasset Hwy bridge. Low flat floodplain on S side of channel, excavated and leveled in 2010 in a sediment removal project. Comment
  JEPS120538  Helenium puberulum B. Castro, Margie Graham 2006-9-7 1609 Butte Sacramento Valley. Ca 1.75 mi W of Hwy 99, 1.3 mi ENE of Richvale and ca 0.4 mi N of Richvale Hwy in Cherokee Canal. On W side of canal ~ 20 ft in from toe of W levee. Comment
  JEPS120546  Lasthenia glaberrima B. Castro 2007-3-29 1619 Butte Sacramento Valley. Ca 0.8 mi SE of Chico Airport, N of Sycamore Creek and E of Cohasset Rd. In NE - SW trending swale bottom, ca 500 ft E of Cohasset Rd in area of grassland and scattered shallow vernal pools. Comment
  JEPS120552  Ammannia coccinea B. Castro, Margie Graham 2006-8-24 1600 Butte Sacramento Valley. Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal ~ 100 ft S of dirt road crossing the canal. Comment
  JEPS120567  Glyceria declinata B. Castro and L. P. Janeway 2012-4-15 10805 Butte Northern High Sierra Nevada Foothills. North Table Mountain; along the main drainage to the Fern Falls branch of Coal Canyon about 0.6 creek km east of the Falls. Comment
  JEPS127591  Persicaria pensylvanica B. Castro with Margie Graham and Stephanie Chun 2009-7-1 1798 Butte Sacramento Valley. 10 air mi W of Gridley, 0.4 mi S of Gridley Road, off SE bank of Cherokee Canal 0.2 mi NE of southward bend in canal. Sanborn Slough 7.5' Quad. Comment
  JEPS127608  Trifolium fucatum B. Castro 2013-4-16 1992 Butte at N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 0.25 mi downstream (W) of its crossing under Cohasset Hwy Bridge. Comment
  JEPS127626  Trifolium subterraneum B. Castro 2009-5-5 1781 Butte Ca 8 air mi NW of Oroville, 150 ft W of Hwy 99 and 0.5 mi S of Nelson Road. Comment
  JEPS127627  Paspalum distichum B. Castro 2008-9-11 1774 Butte 10 air miles W of Gridley, 0.4 mi S of Gridley Rd., off SE bank of Cherokee Canal 0,2 mi NE of Sward bend in canal. Ca 40 feet out from levee toe. Comment
  JEPS127628  Setaria parviflora B. Castro 2008-7-15 1758 Butte 2 mi W of Hwy 99 and 1 mi SE of Richvale, and NE corner of Cherokee Canal and Richvale Hwy. Comment
  JEPS127629  Alisma lanceolatum B. Castro 2008-7-15 1760 Butte Ca 2.5 mi W of Hwy 99 and 1.1 mi SE of Richvale, and ca 0.5 mi E of the Midway. Near junction of Cherokee Canal, Southern Pacific RR and the Biggs extension canal. Comment
  JEPS127630  Agrostis capillaris B. Castro with Melinda Carlson 2007-10-25 1681 Butte Confluence of Big Chico Creek and Sacramento River. W of River Road and N of the creek within surrounding disturbed riparian forest. Comment
  RSA0117088  Trifolium vesiculosum B. Castro 2012-6-27 1934 Butte Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca. 0.5 mi downstream (W) of its crossing under the Cohasset Hwy bridge. 55 Comment
  RSA621750  Monardella douglasii subsp. venosa B. Castro 1996-5-18 659 Butte 5.5 airmiles SE of the town of Paradise, in bottom of unnamed canyon just S of Neal Road, 60 ft N of creek channel directly under transmission lines. 85 Comment
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Jul 19 2018
  RSA724858  Calycadenia spicata B. Castro, L. P. Janeway 2005-6-5 1481 Butte About 6 air miles southeast of Chico, in bottom of canyon SE of Neal Road, about 100 feet northwest of intermittent creek. 85 Comment
  RSA739637  Sidalcea malviflora subsp. celata B. Castro, David Toren 2005-7-21 1520 Butte 9 air miles NE of Paradise, 2.5 miles NE of Flea Mtn, at the crossing of Lockerman Creek by USFS road 24N13. 951 Comment
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Aug 6 2019
  UC1606732  Monardella venosa B. Castro, J. D. Jokerst 1992-5-19 457 Butte unnamed canyon se Neal Road (ca. 200 ft nw of intermittent creek); Hamlin Canyon quad. 79 Comment
  UC1613876  Streptanthus longisiliquus B. Castro and L. P. Janeway with J. Jurewicz 1993-7-6 465 Butte ca. 2.5 mi. s.-s.w. Big Bar Mt. (on n. side of U.S.F.S. RD. 22N84 ca. 1.1 mi. n. & e. of its junction with major spur rd. (Rd. 22N84A) on upper slopes of ridge); Berry Creek quad. 1005 Comment
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Sep 22 2007
  UCD104578  Clarkia mildrediae B. Castro; Robin Fallscheer 1989-7-13 321 Butte Ca. 4.5 road miles NE of Brush Creek, ca. 0.2 mile SW of Junction House, on NW-facing road cut on SE side of the Oro-Quincy Highway ca 0.6-0.7 mile S of its junction with USFS Road 23N60. 990 Comment
  UCD113673  Physocarpus capitatus B. Castro 1987-9-12 218 Butte At N edge of Butte Ck ca. 1.1 mi S of Ponderosa Way bridge, ca 1 mi S on the Butte Creek Trail, at base of rock slide with large boulders. 585 Comment
  UCD122795  Mimulus moschatus B. Castro 1987-8-29 213 Butte at S edge of Butte Cl ca. 2.1 mi S of Skyway and ca. 1/4 mile E of Hwy 99 bridge. 60 Comment
  UCD138550  Allium jepsonii B. Castro; Plumas NF botanists 1994-6-28 515 Butte ca. 0.4 mile south of Pulga, west side of Pulga Road, ca. 0.4 mile north of its junction with Hwy 70 by the Pulga Brige. 487 Comment
  RSA724859  Centaurium muehlenbergii B. Castro, L. P. Janeway 2005-6-5 1480 Butte About 6 air miles southeast of Chico, in bottom of canyon SE of Neal Road, about 100 feet northwest of intermittent creek. 85 Comment
  UCD125264  Monardella venosa B. Castro; J. D. Jokerst 1992-5-19 457 Butte bottom of unnamed canyon southeast of Neal Road, ca. 200 feet northwest of intermittent creek. 79 Comment
  UCD125976  Verbena lasiostachys var. lasiostachys B. Castro 1987-9-12 217 Butte N edge of Butte Ck ca. 0.6 mi S of Forks of Butte, ca. 0.1 mi S on the Butte Creek Trail. 609 Comment
  UCD128062  Scandix pecten-veneris B. Castro 1982-4-8 10 Butte south side of Hwy 70, ca. 5 miles from junction of Hwys 70 and 149, ca. 9 miles northeast of Oroville. 146 Comment
  UCD132993  Hemizonia congesta subsp. luzulifolia B. Castro 1987-9-25 226 Butte ca. 50 feet east of Hwy 99 ca. 4 miles north of East Biggs Road; at a pumping station just west of the Thermalito Afterbay levee. 32 Comment



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