by Erik Jonsson, writing in August 15, 1989
I remember the first time I came in contact with CNPS. It was at Silverwood. (I was in the Audubon Society that time and went to Silverwood a lot to show Frank Gander plants that I had pressed and did not know what they were. I must have been a terrible nuisance for him.) Anyhow, there was this bunch of people all interested in plants like me and looking like the kind of nice people I like, so I decided that I had better join and take part in the fun.
The field trips interested me most. AII those plants and shrubs that I had been trying in vain to figure out what they were and here I got the Latin names all served like on a silver platter! Somehow I became Field Trip Chairman. I don’t remember now how it happened. I guess they must have been desperate to find a victim and I was too stupid to say NO as usual.
We had lots of memorable field trips at that time. One of efforts my first was to the top of Fortuna Mountain just after a fire. Quite a hike. Lots of flowers. That is when somebody, I think it was Fred Sproul, found a whole bunch of Chocolate Lilies, Fritillaria biflora. Quite a treat!
Compiled by Mike Gonzales, Founding Member, San Diego Pollinator Alliance and Former Chairperson, CNPS-San Diego Garden Committee
Can restoring our yards into native urban gardens, albeit very difficult to do given the nature of urban yards, help San Diego’s endemic plants survive and thrive?
Believe me, I understand the part about not being easy! I’ve been stumbling around my front and back yards for 20+ years sluggishly transforming iceplant-covered slopes into some semblance of a native urban garden, or at least semi-native at this point. I thought Wayne Tyson was joking when he posted on the CNPS-SD listserv that, “it's as easy as duplicating the conditions [or functionally mimicking them] under which indigenous ecosystems function.” Well, maybe it was just tongue-in-cheek as he followed up with, “That can be difficult, but it's not impossible, especially the mimicking part [due to] the site conditions that one has to begin with, but it can be done.”
This post epitomizes the macrocosm of my ongoing quest-to create something that hopefully might be considered a decent foundation for, as Wayne puts it, “preserving indigenous germplasm while not sacrificing beauty or utility, and further minimizing the use of imported water and nutrients from other places.” I know, this certainly sounds like a lofty goal, but I’ve been having fun at it – thanks to all the wonderful information streaming across the list-serve from very knowledgeable people whose advice I deeply respect.
Ok, so if you don’t mind too much I’d like to take a slight detour here, as I feel I should at least try to understand what Wayne means when he refers to the term ‘germplasm’. I’m guessing it may have something to do with what both Wayne and Greg Rubin refer to as “the mycorrhizal net (i.e., the natural soil-crust community of algae, mosses, and other cryptobiotic/cryptogamic soil-crust plant communities which are fireproof, erosion-protectors, and infiltration-facilitators).Symbiotic benefits of a mycorrhizal net include disease resistance, pest resistance, and increased availability of moisture. Absence of a mycorrhizal net (and many other microbial constituents of the indigenous microbiome) is a contributor to weed growth, as most weeds are not obligately mycorrhizal; in fact, their presence may inhibit their formation.”
By Lee Gordon, CNPS Garden Committee
Some native seeds need long exposure to the sun in order to germinate. This report describes the role sun plays in the germination of seeds from three species. Two are borages: Phacelia parryiand Cryptantha intermedia. The third is Cneoridium dumosum, a citrus. It goes into some detail about the mechanisms that affect germination of these seeds. It then puts all this into the context of Deno’s theories of germination inhibition.
The final section shows that pretreatment with Gibberelic acid, a plant hormone, enables the borage seeds to germinate as well as pea seeds we buy from a store.
By Tom Oberbauer, President CNPS-San Diego
During the Pleistocene, the San Diego County deserts would have looked very different. The coniferous forest would have grown far down slope onto the leeward side of the mountains into the upper deserts. Acer macrophyllum (Big leaf maple) grew in stands on the upper slopes. Lower down, Pinus monophylla (Single leaf pinyon) grew down to the desert floor near Blair Valley and Oriflamme Canyon.
Granite Mtn and the Pinyon Mtns not far from Earthquake Valley (aka Shelter Valley) as well as the slopes of the San Ysidro Mountains, and the slopes of Rabbit Peak northeast of Borrego near the San Diego/Riverside County Line were covered with coniferous forest of Pinus jeffreyi (Jeffrey pines), maybe some Pinus coulteri (Coulter pines), Quercus chrysolepis (Canyon live oak) and Juniperus occidentalis (Western junipers). Pinus flexilis (Limber pine) grew on Rabbit Peak. They were predominantly coniferous forest but the deciduous tree Quercus kelloggii (California black oak) would have also been found on the western parts.
Juniper woodland grew in Borrego Palm Canyon with 14 inches of precipitation per season. The Junipers occurred in groves around the perimeter of Borrego Valley except for the very sandy areas and the bottom of the Borrego Sink, the low point of the basin in the valley, that held water during winter and spring. Clark Lake was also full of water most of the year and was surrounded by Juniper and Pinyons. South toward Ocotillo and east toward Ocotillo Wells, the vegetation gradually dried and thinned. The Junipers dropped out to the east of Borrego Valley and near what is now the east County Line, the vegetation was semi-desert scrub with Larrea tridentata (Creosote bush) and Fouqueria splendens (Ocotillo). This vegetation would have existed on the eastern and southern edges of the County where rainfall was roughly 5-6 inches a season. The snow would have occasionally reached the desert floor. However, during summer, monsoonal moisture still occurred on the floor of the desert, augmenting the winter/spring rainfall.
By Frank Landis, Chair Conservation Committee
Halfway through the year, and no slowdown in sight. I don’t really have a theme this month, other than an update on where CNPSSD conservation is at the moment.
• Thank you to those who donated to the CNPSSD legal fund. I’m going to keep begging for donations because, as you’ll see below, they’re likely to be needed. I don’t like writing this any more than you like reading this, but this year is, in bulk, a concerted attempt by moneyed interests to roll back the environmental gains of the last 50 years. We can’t assume anything is safe. If you can’t donate, come to meetings and speak up. If you can’t come to meetings, donate what you can to CNPSSD and other environmental groups.
• Bundling of County General Plan Amendments hasn’t gone away, as I’d fondly hoped it might. As I write this, Lilac Hills Ranch is going to the Board of Supervisors, with only trivial alterations to what we voted down in 2016. The County Planning Commission passed it straight through, even though County Planning had counseled that they needed to hear more testimony. If you haven’t contacted your county supervisor about this, please do so. The script is in previous newsletters, or you can contact me at email@example.com.
• Newland Sierra is set to be heard by the County Planning Commission June 28 and 29. Presumably by the time you read this, it will be on its way to the County Supervisors, since the majority of the County Planning Board right now approves projects no matter what testimony they get. More than other projects, there is well-organized opposition to this one, but like the others, it is likely to end up in court. It has all the same problems of putting expensive homes in high fire danger areas, degrading wildlife movement corridors and human movement corridors alike (in this case, the human corridors are Deer Springs Road and I-15), and the developer is from out of town.