I collect a lot of seeds each year from plants which I find especially interesting for one reason or another. Much of my research includes plants from populations which may not be accessible to others not local to California's fantastic plant diversity, especially for obscure and uneconomically-important species. Additionally, as many folks have sent me seeds for projects, I'm paying it forward in a way.
I'd be happy to send along most seeds I have for investigations; a few species on which I am currently working excepted. I did not include seeds available through the USDA GRIN program, which is an invaluable program to me and other plant researchers. A partial list is here (way out of date), I'm also happy to collect seeds of other species if convenient.
I have large and varied seed collections of:
1) the Chenopodiaceae
3) Trichostema laxum, as well as some other Trichostema
4) Plants with mucilaginous seeds (largely mints, but also some scrophs, acanths, plantains, etc.)
5) "Mimulus" species.
6) Assorted sticky plants (columbines, tarweeds, gilias, petunias, tobaccos, etc.).
7) I am building up a collection of plants with sticky but non-mucilaginous seeds, but it is small so far (Boerhavia, Momordica, etc.)
Email me for more information: lopresti.eric AT gmail.com
An incomplete list:
By family, families in no particular order.
C. album (15+ populations, Maine to California).
C. sp. nitens?, White Mountains, CA.
C. nevadense, CA
C. vulvaria, weird plant
More through USDA GRIN
(contact me for more Atriplex seeds, as they are no longer in GRIN, but I have other accessions)
Blitum californicum, CA
Oxybasis glauca, CA (two pops)
Dysphania ambroisoides, CA
Dysphania sp. (botrys?), CA/MA
Suckleya suckleyana, (seriously cool plant; from USDA CO stock)
Trichostema laxum, CA (germination easy)
Trichostema lanceolatum, CA (germination difficult)
Trichostema simulatum, OR, (germination easy)
Antirrhinum cornutum, CA (somewhat glandular, germination easy!)
Verbascum blatteria, CA, Chile (rather glandular)
Mimulus bolanderi, CA
Mimulus pilosus, CA
Argemone munita, CA
Datura stramionum, MA/CA
Petunia F1 hybrids of the above species
Nicotiana quadrivalvis, CA
Aquilegia eximia, CA
Aquilegia shockleyi, CA (have not grown, sticky!)
Calycadenia sp. (multiglandulosa/pauciflora), CA
Hemizonia congesta, CA
Holocarpha virgata, CA
Madia elegans, CA (seeds from red, yellow and intermediate morphs as shown on left)
Abronia latifolia (seeds/cuttings)
Abronia umbellata (both ssp., seeds/cuttings)
Abronia maritima (cuttings)
Abronia turbinata (seeds)
Abronia villosa (seeds/cuttings)
Abronia fragrans (seeds/cuttings)
Abronia pogonantha (seeds/cuttings)
Abronia elliptica (seeds/cuttings)
Abronia angustifolia (seeds)
Tripterocalyx crux-maltae (seeds)
Tripterocalyx micrantha (seeds)
Boerhavia diffusa (Chilean population - seeds/plants)
various Abronia hybrids.