After 1 March 2003, updates to plant guides for the Santa Rosa Plateau, and its flora, are given in that site's update log; some are also given here.
After 17 December 2008, some plant updates for the Borrego Desert are given in that site's update log; some are also given here.
13 April 2015 added updated print versions of jct sr138 and 18 area flora.
11 April 2015 updated flora of s2 mile 0 to 5 from 4/8/15 fieldwork.
10 April 2015 added page on acmispon glaber and a. haydonii.
29 March 2015 added plant trail guide for pct south of s22 / barrel springs, and updated area flora for it, from the 2/10/15 fieldwork.
28 March 2015 added plant trail guide for pct north of scissors crossing.
23 March 2015 updated flora of mountain springs grade, from fieldwork on 3/20/15 and three other trips by Karyn Sauber.
19 March 2015 updated flora of gird valley preserve, fallbrook, from work on 16 March 2015.
14 March 2015 added flora of gird valley preserve, fallbrook, from initial survey on 12 March 2015.
11 March 2015 updated culp valley area flora with results from 3/8/15 survey of the pinyon ridge area south of the first drainage on the wilson trail.
7 March 2015 updated culp valley area flora with results from 2/15/15 pena spring survey.
3 March 2015 corrected column header info for carrizo creek, thanks to input from carla Hoegen.
2 March 2015 a few updates to page on Some Information About Vouchers; added flora of borrego springs desert floor area
1 March 2015 completed page on Some Information About Vouchers.
28 February 2015 added incomplete page on Some Information About Vouchers.
18 February 2015 added pct flora for b10, snow creek road to i-10, from rt and shaun hawke.
17 February 2015 added page on ribes quercetorum study of glabrous and hairy plants.
13 February 2015 added page on cheilanthes covillei and clevelandii.
9 February 2015 added pct a9c (s22 south to high point) trail order and family order flora.
21 January 2015 updated collins valley flora from 11/29/13 field work.
17 January 2015 added labeled pix of ribes flower showing the parts, to the ribes lasianthum / ribes velutinum page; updated geology page of pct c2 cottonwood trailhead to whitewater canyon.
16 January 2015 updated geology page of pct c2 cottonwood trailhead to whitewater canyon.
15 January 2015 added geology page of pct c2 cottonwood trailhead to whitewater canyon from rt hawke.
12 January 2015 added flora of pct c2 cottonwood trailhead to whitewater canyon; made new standard c section main page; updated flora of elephant tree area from 2/21/13 fieldwork.
11 January 2015 updated page on eriodictyon species to give literature info; added new page on atriplex canescens varieties.
10 January 2015 added page on eriodictyon species.
6 January 2015 updated flora of The Narrows, from the 1/3/15 fieldwork; finished work on pct a8b flora, so section a8 is now done.
4 January 2015 updated the number of occurrences in our database, mentioned in the search page, thanks to a suggestion by kate harper.
2 January 2015 added pct a8 and a8a flora; still need to update a8b flora.
29 December 2014 updated flora of the narrows from fieldwork on 12/28/14.
27 December 2014 added combined rectified native flora of pct segments a1 to a7, and a partially-complete analysis page of that flora.
26 December 2014 updated yaqui pass flora from 12/23/14 fieldwork; added flora of yaqui ridge.
21 December 2014 added flora of fish creek mountains, from 12/19/14 survey and vouchers.
18 December 2014 finished pct a7 pages.
17 December 2014 updated flora of borrego badlands from fieldwork on 12/15/14, and from digitizing gps points from all past surveys. added map of all gps points in this area.
16 December 2014 updated mileage and elevation gain for PCT a6.
14 December 2014 updated borrego badland flora after reviewing the previous fieldwork; updated mileage and elevation gain for PCT a5.
12 December 2014 updated borrego badland flora from 12/10/14 fieldwork.
9 December 2014 finished pct a6 pages.
8 December 2014 added flora of yaqui pass area, from fieldwork on 2/15/13, 3/10/13 (previously in glorietta canyon flora) and from 12/3/10 and 12/5/14 (newly-processed surveys).
4 December 2014 added elevation plots, better maps, to PCT A1 and A2, along with more mileage and elevation gain info.
2 December 2014 updated flora of lizard canyon to remove the "ephedra californica?", which turned out to be an ephedra nevadensis with an occasional node with 3 lvs; updated mtn spring grade flora to remove potentilla rimicola.
1 December 2014 added flora of lizard canyon, from 11/30/14 fieldwork and from vouchers.
29 November 2014 finished the PCT A8 page.
28 November 2014 added plant trail guide to pct south of s2 to granite mtn, and area flora format, linked from an incomplete PCT A8 page.
25 November 2014 updated jeffrey ponderosa pine page to add butterscotch to the smell, and make the ponderosa summary more complete.
23 November 2014 added flora of foot and walker pass to crime canyon area, from 11/22/14 fieldwork and 10/11/13 fieldwork.
21 November 2014 updated borrego badlands flora to toss species with vouchers only just outside the area; added table of most common species not seen; and improved the format; updated mountain springs grade flora with results from 11/17/14 fieldtrip.
20 November 2014 updated borrego badlands flora to include keir morse updates from 11/15/14; the two surveys of arroyo salado loop; the later survey of ella wash; and the beckman wash survey; a voucher search done on 11/30/13; and to put it in JM2 format.
18 November 2014 removed pct intro part from section C.
16 November 2014 added pct a4 complete flora.
14 November 2014 updated webpage for flora of mtn springs with collector information, listed the orcutt vouchers with a ?, and added a column for the observations.
14 November 2014 added flora of mountain springs grade from vouchers and observations by rebman and crouse.
11 November 2014 added pct a3 complete flora; added link to pct flora from main trail guide page.
9 November 2014 updated sawmill flora to make ponderosa a 99.
8 November 2014 added google earth view of ponderosa and jeffrey distribution in dark canyon area; added link to seinet for potentilla rimicola in SnJt endemics and corrected spelling; corrected location for PCT tunnel on PCT main page.
7 November 2014 updated distribution of ponderosa and jeffrey pine at SnJt from 11/7/14 fieldwork.
6 November 2014 updated flora of pct A1 from 11/3/14 fieldwork.
2 November 2014 added complete webpage and lists for PCT A1 and A2.
1 November 2014 added full intro for PCT Section A.
31 October 2014 added potentilla rimicola, Arctostaphylos parryana ssp. desertica, and Euonymus occidentalis var. parishii to the SnJt near endemics; updated pinus jeffrey ponderosa page to add cone shape, and a couple of caveats, one on the color difference within jeffreys, and that some trees try to fool you; updated SnGb endemic page with several additions from dick swinney; added ABDSP endemic species.
30 October 2014 updated the 2007 SnJt pinus ponderosa / jeffrey pages to link to the 2014 main page on these species, and updated information on those pages to reflect my current knowledge.
27 October 2014 updated SnJt endemic page.
27 October 2014 updated ponderosa / jeffrey pine distribution at SnJt from survey on 10/25/14.
24 October 2014 added seed wing to seed length to pinus jeffrey / ponderosa page.
23 October 2014 updated pinus jeffreyi / ponderosa page with three figures illustrating the main differences, updated tables 1 and 2 with latest findings, added section on Haller's results, along with a number of other changes.
22 October 2014 added flora of antelope valley poppy reserve.
16 October 2014 added pages on endemics of SnJt and SnGb.
15 October 2014 updated page on jeffrey and ponderosa to correct typo in which species has resinous buds, noted by mike crouse.
9 October 2014 added page on jeffrey and ponderosa cone lengths.
8 October 2014 revised pine analysis page to make it much more palatable to non-mathematical readers, thanks to comments by jane strong. added fig. 1 showing the cone spirals from the top.
7 October 2014 minor updates to pine analysis page; created new page on the cone scale arrangement for ponderosa / jeffrey, showing the spiral rows in the closed cone for a small jeffrey cone.
4 October 2014 update to table 1, adding some info from haller and vivrette, and from farjon, the latter thanks to rudi schmid; added pictures for needle color, and of vegetative buds.
3 October 2014 added table 1 to ponderosa / jeffreyi page, giving characteristics with estimated reliability and comments.
2 October 2014 added page just giving distinguishing characteristics of jeffrey and ponderosa pines, and put in the first two characteristics, a histogram of measured cone lengths, and a page showing the bark chip colors.
28 September 2014 updated garner valley flora with results from latest surveys; cleaned it of species present in addition to subspecies to shorten it.
27 September 2014 updated pct d6 page with minor correction, and corrected calflora list to fix the incorrect taxon, and add the two mentzelia species.
25 September 2014 updated flora of sawmill road / stone creek trail from 9/21/14 fieldwork; updated map of ponderosa pine distribution at SnJt since it was somehow missing two points; added main pct d6 page and calflora list.
24 September 2014 corrected error in placing the non-native asterisk in the baden-powell plant trail guide; added the vouchered agrostis exarata to lamel spring; added link to flora in family order, and added link to the plant trail guide from that flora; updated 2 needle pine page; updated distribution of pinus ponderosa and pinus jeffreyi at SnJt.
20 September 2014 updated the flora of blue ridge trail / big pines from vouchers without coordinates; from sorting the vouchers into various localities; and from fieldwork done on the blue ridge trail on 16 September 2014; updated flora of pct d6 from latest two surveys of mt. baden-powell section.
15 September 2014 updated the mt baden powell trail guide from the 9/12/14 fieldwork, including the histogram of Number of Unique Taxa On This Trail. updated the explanation of plant trail guides. added flora of blue ridge trail / big pines from vouchers with coordinates.
11 September 2014 a few updates to the mt baden powell guide, including putting it in jm2 format.
10 September 2014 updated mt baden powell guide from field work on 9/7/14.
6 September 2014 updated mt baden powell guide from field work on 9/3/04, 9/15/08, and work done by michael charters in 2013 and earlier, and work done by rt and shaun hawke in 2013.
5 September 2014 updated S2 mile 0 to 5 flora from 9/2/14 fieldwork.
2 September 2014 added print versions of S2 mile 0 to 5 flora.
1 September 2014 updated flora of sawmill road / stone creek trail area from fieldwork on 8/28/14. changed the name of the file to be more accurate.
27 August 2014 added flora of sawmill trail area of dark canyon, SnJt, from fieldwork on 8/23/14.
22 August 2014 added flora of section D6, segments a-d.
17 August 2014 added sections D6a to D6d only to Table 1 in D section; updated dawson saddle trail from fieldwork on 7/28/13; added flora of throop peak area.
16 August 2014 updated two links in floras, thanks to input from michael charters; removed all the erik blume links to floras, since they no longer work; added flora of s2 from mile marker 0.0 to 4.6.
15 August 2014 added clarification at the top of the flora index, and plant trail guide index, to let people know they may need to search the other page for a given trail or area.
2 August 2014 linked pct section c (SnBr) to main pct page, and added link for D5.
30 July 2014 updated flora of PCT D5 Mission Springs to Rainbow Road Area, San Bernardino Mountains from 7/22/14 fieldwork, and linked it from the main flora page.
29 July 2014 removed salix lutea from the cloudburst / buckhorn area flora, after andy sanders confirmed that the voucher was misdetermined; updated pct SnGb section D with links to latest floras for each section, and michael charters' latest photo galleries; added link to pct SnGb sections in trail guides.
25 July 2014 added voucher geographic distribution of eriogonum umbellatum varieties at SnGb.
21 July 2014 added flora of pct d4a area, from our survey on 7/18/14 and previous surveys by rt and shaun hawke, and by michael charters.
17 July 2014 added more info to page on geographic distribution of vouchers for cryptantha intermedia and varieties of c. muricata.
16 July 2014 added geographic distribution of vouchers for cryptantha intermedia and varieties of c. muricata.
13 July 2014 updated flora of Three Points to Cloudburst Summit Area from further work from the fieldwork on 10 July 2014; added flora of little rock creek road to three points from vouchers and michael charters fieldwork.
12 July 2014 added voucher flora of pct in sierra nevada blue lakes to carson pass.
11 July 2014 updated flora of Three Points to Cloudburst Summit Area from fieldwork on 10 July 2014; added pix of the nascent infl for Arctostaphylos parryana and A. patula to the SnGb manzanita page.
9 July 2014 updated flora of Cloudburst Summit, Cooper Canyon, Buckhorn Area, San Gabriel Mountains from 5 July 2014 fieldwork; added flora of Three Points to Cloudburst Summit Area.
4 July 2014 added flora of Cloudburst Summit, Cooper Canyon, Buckhorn Area, San Gabriel Mountains from vouchers and trail work by michael charters.
3 July 2014 updated flora of PCT in SnGb from Lightning Ridge to End of Blue Ridge / Guffy Road from 6/30/14 fieldwork, as well as including vouchers without coordinates.
29 June 2014 updated SnGb Plant Guide to PCT East of Blue Ridge Summit from 7/18/13 fieldwork; updated flora of PCT in SnGb from Lightning Ridge to End of Blue Ridge / Guffy Road.
27 June 2014 added flora of PCT in SnGb from Lightning Ridge to End of Blue Ridge / Guffy Road.
15 June 2014 added flora of PCT A5, from hawke field work in 2013 and additional field work on 6/12/14.
10 June 2014 added page on spiral of wood grain on trees at SnJt.
6 June 2014 changed authorship of incomplete draft page on calochortus davidsonianus / c. splendens s.s. to just myself, at ron parsons' request.
5 June 2014 added incomplete draft page on calochortus davidsonianus / c. splendens s.s., from me and ron parsons.
3 June 2014 updated page on calochortus species of SnJt to add table of all five species, with links to jm and calphotos, and a section on evolutionary relationship of the species.
2 June 2014 updated page on calochortus species of SnJt to add pictures of all five species.
31 May 2014 updated idyllwild flora with results from mountain center burn area survey.
26 May 2014 added page on calochortus species of SnJt.
24 May 2014 updated page on clarkia bottae and c. dudleyana with much better pix from charters and schusteff of the stigmas of c. dudleyana. added new discrimination character of ovary shape and ridging in flower and fruit.
22 May 2014 completed page on clarkia bottae and c. dudleyana. finally put the print versions of the idyllwild park flora online.
21 May 2014 added incomplete page on clarkia bottae and c. dudleyana.
19 May 2014 updated flora of mt. lowe area from 5/18/14 fieldwork.
17 May 2014 added flora of mt. lowe area, from vouchers and jane tirrell list.
13 May 2014 added vouchers to flora of pct d5 inspiration point to vincent gap.
11 May 2014 added flora of pct d5 inspiration point to vincent gap.
8 May 2014 updated flora of idyllwild area to include results of 5S10 survey, and latest updates to other areas.
4 May 2014 updated flora of jct 138 / 18 area to include all fieldwork, and to add a photo and maps to the page.
1 May 2014 added page on cryptantha similis, giving its differences from c. micrantha lepida.
28 April 2014 added page on gilias of san jacinto, with pix of three of our species.
27 April 2014 finally added comment to color variant page about it would be easier to list species that do NOT have a color variant.
24 April 2014 updated flora of elizabeth lake area from survey on 4/21/14.
20 April 2014 added voucher flora of elizabeth lake area
19 April 2014 added page on lomatium dasycarpum and l. mohavense.
11 April 2014 updated granite mountain flora from fieldwork on 3/25/14, and from fred and carla's observation of Phacelia affinis; corrected flora of bobs gap and sr138 / 18 area to change androstephium to muilla coronata.
8 April 2014 updated flora of bobs gap area to include results of the 4/7/14 survey.
2 April 2014 added page on phacelia distans and p. tanacetifolia; added flora of bobs gap area.
1 April 2014 updated fire follower list; updated flora of jct sr138/18 area in DMoj with results of 3/29/14 survey.
28 March 2014 added one version of the checklist for PCT Section D2, Lone Pine Canyon Road to 3N29; added voucher flora of jct sr138/18 area in DMoj.
27 March 2014 updated link to devils punchbowl flora.
24 March 2014 added flora of all of granite mountain, including the hawke pct flora and vouchers from the other sides.
18 March 2014 added pct flora of D1, I-15 to Lone Pine Canyon Road, from vouchers and from rt and shaun hawke, and michael charters, fieldwork.
14 March 2014 added pct flora of B3, warner springs to chihuahua road, from vouchers and from rt and shaun hawke trail survey on 4 and 6 march 2014.
11 March 2014 updated flora of se granite mtn to include cool canyon survey on 3/7/14.
5 March 2014 added flora of se granite mtn, including latest hornblende canyon flora.
1 March 2014 added flora of hornblende canyon, list made from kate's memory, from a small number of vouchers, and from carla's pix.
22 February 2014 updated two links on "pinus edulis" page to earle's pages, thanks to kate harper noticing the links no longer worked.
14 February 2014 updated flora of mescal bajada area to include fieldwork in nolina canyon on 2/11/14
10 February 2014 updated flora of mescal bajada area to include fieldwork in bighorn canyon on 2/7/14; added caution about populations with fewer than 20 plants in rarest species page.
9 February 2014 added link to main borrego desert page in analysis page section of main plants page.
6 February 2014 updated flora of mescal bajada area to include mine canyon and pinyon canyon fieldwork from 27 January, 4 March, 20 May, and 22 November 2011, and 4 February 2014.
4 February 2014 added flora of the narrows area, from vouchers and from the 2/2/14 fieldwork.
1 February 2014 updated flora of culp valley to include fieldwork on 1/28/14 and 11/1/13, and finally put the authors in correctly.
25 January 2014 updated flora of whale peak area to include fieldwork on 1/23/14.
22 January 2014 updated flora of whale peak area to include fieldwork on 1/19/14. fixed bad link in page giving boilerplate on checklist order and links. updated the hawke pct pages with six changes to the presentation.
18 January 2014 updated flora of smuggler canyon area from fieldwork on 1/15/14.
14 January 2014 updated flora of smuggler canyon area from fieldwork on 1/11/14.
8 January 2014 updated flora of smuggler canyon area from keir morse's fabulous fieldwork on 1/7/14.
7 January 2014 updated oracle oak page to include dave's survey of gated dirt road north of 5S09.
6 January 2014 updated oracle oak page to include dave's survey of 4S05.
6 January 2014 updated flora of whale peak area, to include fieldwork on 11/15/13, and to strip out the smuggler "pinyon mountain" vouchers that are not possibly from whale peak.
5 January 2014 updated flora of smuggler canyon area from fieldwork on 1/2/14.
2 January 2014 put online the first page of the rt and shaun hawke flora of the pct, segment D7.
1 January 2014 updated oracle oak page to include dave's survey of 5S09.
Copyright © 2001-2014 by Tom Chester and Jane Strong.
Permission is freely granted to reproduce any or all of this page as long as credit is given to us at this source:
Comments and feedback: Tom Chester | Jane Strong
Last Update: see top entry above.