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Number of matches: 510

Click on the thumbnail to see an enlargement

Acer saccharinum
Acer saccharinum
Silver Maple
ID: 0000 0000 0204 1338 [detail]
© 2004 Robert E. Preston, Ph.D.

Acer saccharinum
Acer saccharinum
Silver Maple
ID: 0000 0000 0204 1336 [detail]
© 2004 Robert E. Preston, Ph.D.

Acmispon cytisoides
Acmispon cytisoides
Bentham's Lotus
ID: 0000 0000 0204 0241 [detail]
© 2004 Robert E. Preston, Ph.D.

Allium hickmanii
Allium hickmanii
Hickman's Onion
ID: 0000 0000 0204 0238 [detail]
© 2004 Robert E. Preston, Ph.D.

Allium hickmanii
Allium hickmanii
Hickman's Onion
ID: 0000 0000 0204 0239 [detail]
© 2004 Robert E. Preston, Ph.D.

Allium tuolumnense
Allium tuolumnense
Rawhide Hill Onion
ID: 0000 0000 0104 0539 [detail]
© 2004 Robert E. Preston, Ph.D.

Amsinckia furcata
Amsinckia furcata
Forked Fiddleneck
ID: 0000 0000 0104 0626 [detail]
© 2004 Robert E. Preston, Ph.D.

Amsinckia furcata
Amsinckia furcata
Forked Fiddleneck
ID: 0000 0000 0104 0627 [detail]
© 2004 Robert E. Preston, Ph.D.

Anelsonia eurycarpa
Anelsonia eurycarpa
Broad-podded Phoenicaulis
ID: 0000 0000 1201 0319 [detail]
© 1986 Robert E. Preston, Ph.D.

Antennaria flagellaris
Antennaria flagellaris
Stoloniferous Pussy-toes
ID: 0000 0000 0102 0097 [detail]
© 2000 Robert E. Preston, Ph.D.

Arctostaphylos andersonii
Arctostaphylos andersonii
Santa Cruz Manzanita
ID: 0000 0000 0104 1202 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos andersonii
Arctostaphylos andersonii
Santa Cruz Manzanita
ID: 0000 0000 0104 1203 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos andersonii
Arctostaphylos andersonii
Santa Cruz Manzanita
ID: 0000 0000 0104 1204 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos andersonii
Arctostaphylos andersonii
Santa Cruz Manzanita
ID: 0000 0000 0104 1205 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos andersonii
Arctostaphylos andersonii
Santa Cruz Manzanita
ID: 0000 0000 0104 1201 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos crustacea ssp. crinita
Arctostaphylos crustacea ssp. crinita
Santa Cruz Mountains Manzanita
ID: 0000 0000 0104 1208 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos crustacea ssp. crinita
Arctostaphylos crustacea ssp. crinita
Santa Cruz Mountains Manzanita
ID: 0000 0000 0104 1207 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos crustacea ssp. crinita
Arctostaphylos crustacea ssp. crinita
Santa Cruz Mountains Manzanita
ID: 0000 0000 0104 1209 [detail]
© 2004 Robert E. Preston, Ph.D.

Arctostaphylos viscida ssp. pulchella
Arctostaphylos viscida ssp. pulchella
Sticky Whiteleaf Manzanita
ID: 0000 0000 1221 2584 [detail]
© 2021 Robert E. Preston, Ph.D.

Arctostaphylos viscida ssp. pulchella
Arctostaphylos viscida ssp. pulchella
Sticky Whiteleaf Manzanita
ID: 0000 0000 1221 2588 [detail]
© 2021 Robert E. Preston, Ph.D.

Arctostaphylos viscida ssp. pulchella
Arctostaphylos viscida ssp. pulchella
Sticky Whiteleaf Manzanita
ID: 0000 0000 1221 2590 [detail]
© 2021 Robert E. Preston, Ph.D.

Astragalus claranus
Astragalus claranus
Clara Hunt's Milkvetch
ID: 0000 0000 0214 1053 [detail]
© 2014 Robert E. Preston, Ph.D.

Astragalus lentiginosus var. ineptus
Astragalus lentiginosus var. ineptus
Freckled Milkvetch
ID: 0000 0000 0102 0063 [detail]
© 2000 Robert E. Preston, Ph.D.

Astragalus nuttallii var. nuttallii
Astragalus nuttallii var. nuttallii
Nuttall's Milkvetch
ID: 0000 0000 0204 0240 [detail]
© 2004 Robert E. Preston, Ph.D.

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