HOFFMANN, Ralph

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Ralph Hoffmann, 1927
Published in 1904

HOFFMANN, Ralph Arthur (1870-1932), Massachusetts-born Harvard graduate of the class of 1890, ornithologist, and botanist. Hoffmann moved to Santa Barbara in 1919 where he served as director of the Santa Barbara Museum of Natural History from 1923 until his accidental death on July 21, 1932 at age 61 on San Miguel Island where he fell from a cliff east of Cuyler’s Harbor attempting to collect a plant.

The April 1933 Leaflet noted “Under him, the museum grew from a repository of eggs for the study of experts, to a place of importance with many beautiful exhibits in the different fields of natural history.” Hoffmann wrote of his dozens of Channel Islands collecting trips in the Santa Barbara Museum of Natural History Leaflets “One of the objects of the botanical exploration of the islands is to collect data which will help account for the origin of the island forms.”

The California Academy of Sciences wrote Hoffmann a letter:

“We have received almost 400 specimens of your collecting, chiefly from the Santa Barbara Islands. We regard your additions to our herbarium among the most valuable that we have received, since island floras are especially interesting from an evolutionary standpoint.” [Leaflet June 1933].

Hoffmann invited his former student and later renowned author, Austin Tappan Wright, to accompany him on a collecting trip to Santa Rosa Island in 1930.

On July 21, 1932, Hoffmann traveled to San Miguel Island with his friends W. F. Daniell of Montecito, and James McMillan of Los Angeles, aboard Ruby A, owned by Captain Irwin Stevens. Later that same day, Hoffmann met a tragic accidental death while attempting to collect a plant on a steep cliff, about two miles from Cuyler's Harbor. His body was discovered by Herbert Lester, and returned to Santa Barbara aboard the Ruby A. Among plants named for Ralph Hoffmann are Arabis hoffmannii and Sanicula hoffmannii. Hoffmann Point on San Miguel Island is named in his honor.

Hoffmann married his wife, Eliza Gertrude Wesselhoeft, in 1894. They had three children:

  • Eleanor Hoffmann (1895-1990)
  • Walter Wesselhoeft Hoffmann (1897-1977)
  • Gertrude “Trudy” Hoffmann [Bliss] (1904-2008)

At age 21 in Santa Barbara, youngest daughter, Trudy, married Sir Arthur Edward Drummond Bliss, becoming Lady Bliss. Sir Arthur was an English composer and conductor, appointed as Master of the Queen’s Music.

Hoffmann collected on:

  • Anacapa Island (1927, 1928, 1929, 1930)
  • San Miguel Island (1920, 1921, 1925, 1927, 1928, 1930, 1931, 1932)
  • Santa Barbara Island (1927)
  • Santa Catalina Island (1930)
  • Santa Cruz Island (1920, 1927, 1928, 1930, 1931)
  • Santa Rosa Island (1927, 1929, 1930, 1931, 1932)



» Hoffmann, Ralph Notes on Some Birds of Santa Cruz Island, California in Condor 22:5 (187-188) September-October 1920

» Hoffmann, Ralph Birds of the Pacific States 1927

» Hoffmann, Ralph The Oaks of Santa Cruz Island in Santa Barbara Museum of Natural History Leaflets 6: (8-11) 1931

» Hoffmann, Ralph Saw-whet Owl and California Woodpecker on Santa Cruz Island in Condor 33:4 (171) July-August 1932

» Hoffmann, Ralph Bird Notes from Santa Cruz Island in Condor 34:4 (190) July-August 1932

» Hoffmann, Ralph Notes on the Flora of the Channel Islands off Santa Barbara, California in Southern California Academy of Sciences Bulletin. XXXI, Pt. 2, I, (46-60) 1932 and v. XXXI, Pt. 3, II (101-120) 1932



In the News~

January 1920: “In January of this year I picked up in a field at Santa Cruz Island, California, a pellet presumably ejected by a Raven (Corvus corax sinuatus). The pellet was three inches long with a diameter of one inch. It was examined by Mr. H. C. Bryant, of the California Fish and Game Commission, who writes: ‘Without pulling the pellet to pieces, I discovered the following elements: parts of two Camel crickets (Stenopalmatus sp.); parts of grasshoppers; 20 seeds of Poison Oak (Rhus diversiloba); hulls of Wild Oats (Avena fatua).’…” Ralph Hoffmann. Auk 37:3 (453-454), July 1920.


January 26, 1920 [SCICo]: “The schooner left for Santa Barbara 8:50 A.M. Tues. Jan 20 and returned at 2 P.M. Thursday Jan 22 bringing Mr. Ralph Hoffman to study birds and our laborer, a new man who has never worked here before. Mr. Hoffman has so far discovered several kinds of birds never reported on the island before. I granted him permission to shoot two specimens of linnets to take to the museum at Los Angeles.”


September 1-3, 1928 the Nature Club of Southern California, led by Ralph Hoffmann, took a field trip to Santa Cruz Island. As reported in the Santa Barbara Museum of Natural History Leaflet October 1928, during this trip, Robert Canterbury (1902-1979), gardener at the Blaksley Garden, “armed with shovel and gunnysacks, scoured the canyons and chaparral slopes for roots and seeds to add to the Island Group in the Garden.” He was helped by Theodore Payne who was “filling paper bags with seeds of Eriogonum arborescens, a shrub particular to the islands.


July 23, 1932 [NSJRN]: “Naturalist killed as he hunts relic. Santa Barbara. Ralph Hoffmann, 62, director of the Santa Barbara natural history museum and widely known as an ornithologist, was killed today in a fall down the side of a cliff on San Miguel Island… Hoffmann was hunting scientific specimens, using a trowel to scale the steep cliffs. The handle broke, hurtling the scientist onto sharp rocks below.”


July 23, 1932 [Bakersfield Californian]: “Noted Ornithologist Loses Life By Fall. Santa Barbara, July 23.—Ralph Hoffman [sic], 62, widely known ornithologist and director of the Santa Barbara National [sic] History Museum, was killed yesterday on San Miguel Island when he fell down a cliff on which he had been hunting specimens. Hoffman was using a trowel to scale the cliff. The handle broke and he fell upon sharp rocks below. San Miguel Island is one of the Santa Barbara group 25 miles off shore. For many years Hoffman was headmaster of several private schools abandoning this work for scientific study. Hoffman was a graduate of Harvard and a brother of Bernard Hoffman, wealthy electrical engineer and founder of the community arts movement here. He leaves a widow, a son and two daughters.”


September 1, 1938 [Hubert L. Voight, unpub. Ms.]: “…One day several years ago the director of the Santa Barbara Museum of Natural History, Ralph Hoffmann, was hunting botanical specimens on the cliffs of the east end of the island and fell to his death at the bottom of the eighty foot precipice. Hoffmann had told [Herbert] Lester that he would return to the ranch house for supper, and, when he did not come, Lester set out to find him. At one o’clock that morning, Lester found the body and transferred it to the boat in which Hoffmann came to the island…”


Hoffmann Point, San Miguel Island is to the east of Curler's Harbor. It is the location where Ralph Hoffmann, director of the Santa Barbara Museum of Natural History, fell to his death in 1932.


Deadman's Rock, San Miguel Island, according to Elizabeth Lester, is also a designation for Hoffmann Point where Ralph Hoffmann fell to his death in 1932. [Lester: 41].



Island Collections~
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Anacapa Island Ralph Hoffmann SBBG SBBG-79964 Erysimum insulare Plants
Anacapa Island Ralph Hoffmann SBBG December 12, 1927 SBBG-56971 Sporobolus indicus Plants
~ trip ~
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-56950 Polypodium californicum Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77078 Poa secunda subsp. secunda Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77207 Nassella pulchra Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77519 Eriogonum arborescens Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77619 Atriplex californica Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77620 Atriplex californica Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77684 Mirabilis californica Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77689 Mesembryanthemum nodiflorum Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77768 Spergularia macrotheca var. macrotheca Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-77815 Delphinium parryi subsp. maritimum Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-78271 Trifolium willdenovii Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-78427 Astragalus trichopodus var. lonchus Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-78647 Marah macrocarpa Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-78941 Phacelia distans Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79016 Amsinckia spectabilis Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79096 Cryptantha clevelandii Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79228 Castilleja affinis Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79330 Galium aparine Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79428 Uropappus lindleyi Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79472 Malacothrix saxatilis var. implicata Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79673 Pseudognaphalium biolettii Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79696 Deinandra clementina Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79713 Leptosyne gigantea Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79743 Lasthenia gracilis Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79766 Lasthenia gracilis Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79816 Eriophyllum staechadifolium Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79840 Amblyopappus pusillus Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79859 Achillea millefolium Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79929 Achnatherum diegoense Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79931 Achnatherum diegoense Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79932 Hordeum intercedens Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79934 Hordeum murinum Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-79984 Eriophyllum confertiflorum var. confertiflorum Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80063 Atriplex pacifica Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80066 Lepidium oblongum Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80105 Bromus hordeaceus Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80150 Vicia hassei Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80191 Bromus carinatus Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80211 Bromus catharticus var. elatus Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80236 Festuca myuros Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80244 Festuca octoflora Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80252 Bromus berteroanus Plants
Anacapa Island Ralph Hoffmann SBBG March 11, 1928 SBBG-80257 Bromus rubens Plants
~ trip ~
Anacapa Island Ralph Hoffmann SBBG March 14, 1929 SBBG-77683 Mirabilis californica Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168144 Lupinus Lupinus albifrons var. albifrons Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168160 Crassula connata Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168179 Caulanthus lasiophyllus Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168190 Astragalus miguelensis Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168191 Astragalus trichopodus var. lonchus Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168407 Quercus tomentella Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168488 Vulpia bromoides Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168503 Eriogonum grande var. grande Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-168504 Polypodium californicum Plants
Anacapa Island Ralph Hoffmann CAS March 16, 1929 CAS-635414 Lupinus albifrons var. albifrons Plants
Anacapa Island Ralph Hoffmann DS March 16, 1929 DS-635414 Lupinus albifrons var. albifrons Plants
Anacapa Island Ralph Hoffmann POM March 16, 1929 POM-161539 Lupinus albifrons Plants
Anacapa Island [[HOFFMANN, Ralph|Ralph Hoffmann] SBBG March 16, 1929 SBBG-76918 Pentagramma triangularis subsp. triangularis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-76949 Polypodium californicum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-76983 Pellaea andromedifolia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77092 Melica imperfecta Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77188 Muhlenbergia microsperma Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77206 Nassella pulchra Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77208 Nassella pulchra Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77209 Nassella pulchra Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77255 Toxicoscordion fremontii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77378 Quercus tomentella Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77540 Pterostegia drymarioides Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77541 Pterostegia drymarioides Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77562 Eriogonum grande var. grande Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77617 Atriplex californica Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77728 Claytonia perfoliata subsp. mexicana Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77729 Claytonia perfoliata subsp. mexicana Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-77767 Spergularia macrotheca var. macrotheca Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 Platystemon californicus Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 Lepidium nitidum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 Ribes malvaceum var. malvaceum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78101 Heuchera maxima Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78175 Prunus ilicifolia subsp. lyonii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78193 Heteromeles arbutifolia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78219 Lupinus succulentus Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78220 Lupinus succulentus Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78240 Lupinus albifrons var. douglasii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78444 Erodium cicutarium Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78493 Astragalus miguelensis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78494 Astragalus miguelensis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78520 Rhus integrifolia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78535 Rhus integrifolia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78635 Marah macrocarpa Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78642 Marah macrocarpa Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78711 Sanicula arguta Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78864 Calystegia macrostegia subsp. macrostegia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78891 Dodecatheon clevelandii subsp. insulare Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78922 Gilia clivorum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-78963 Eucrypta chrysanthemifolia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79011 Amsinckia intermedia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79015 Amsinckia spectabilis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79062 Plagiobothrys collinus var. gracilis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79089 Cryptantha clevelandii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79100 Plagiobothrys collinus var. gracilis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79247 Calystegia macrostegia subsp. macrostegia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79249 Castilleja lanata subsp. hololeuca Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79351 Galium angustifolium subsp. foliosum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79353 Galium angustifolium subsp. foliosum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79427 Uropappus lindleyi Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79449 Sonchus oleraceus Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79549 Hazardia detonsa Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79549 Hazardia detonsa Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79564 Corethrogyne filaginifolia Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79590 Baccharis pilularis subsp. consanguinea Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79676 Pseudognaphalium biolettii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79744 Lasthenia gracilis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79748 Lasthenia gracilis Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79815 Eriophyllum staechadifolium Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79842 Phacelia distans Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79849 Perityle emoryi Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79852 Perityle emoryi Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79862 Achillea millefolium Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79894 Artemisia californica Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79933 Hordeum murinum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79936 Hordeum brachyantherum subsp. californicum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79937 Festuca bromoides Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79940 Phacelia cicutaria var. hispida Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79941 Phacelia distans Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79946 Astragalus trichopodus var. lonchus Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79947 Astragalus trichopodus var. lonchus Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79948 Acmispon strigosus Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79981 Lupinus bicolor Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-79985 Eriophyllum confertiflorum var. confertiflorum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80027 Pseudognaphalium californicum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80028 Pseudognaphalium stramineum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80029 Pseudognaphalium stramineum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80046 Pectocarya linearis subsp. ferocula Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80071 Ribes malvaceum var. malvaceum Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80081 Adiantum jordanii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80083 Adiantum jordanii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80098 Stachys bullata Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80099 Adiantum jordanii Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-80179 Parietaria hespera var. californica Plants
Anacapa Island Ralph Hoffmann SBBG March 16, 1929 SBBG-84199 Stachys bullata Plants
Anacapa Island Ralph Hoffmann SBBG March 18, 1929 SBBG-77617 Atriplex californica Plants


San Miguel Island

9/20,21/1920 SBBG plants

3/30/1921 SBBG plants

3/28/1925 SBBG plants

5/14/1927 POM plants

8/2,3/1928 birds

6/14/1930 POM plants

6/15/1930 JEPS plants

6/29/1930 RSA, POM plants

9/21/1930 POM plants

4/10,12/1931 POM plants; HUH

4/10,11/1931 RSA plants

https://ucjeps.cspace.berkeley.edu/ucjeps_project/public/publicsearch/


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
San Miguel Island Ralph Hoffmann RSA April 10, 1930 RSA-438795 Cirsium occidentale occidentale Plants


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Santa Barbara Island Ralph Hoffmann SBBG March 27, 1927 SBBG-79785 Achyrachaena mollis Birds


Santa Catalina Island

6/28/1930 JEPS plants



ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Santa Cruz Island Ralph Hoffmann MVZ January 27, 1920 MVZ-40372 Catharus guttatus guttatus Birds
~ trip ~
Santa Cruz Island Ralph Hoffmann POM May 14, 1927 POM-162484 Gnaphalium bicolor Plants
~ trip ~
Santa Cruz Island Ralph Hoffmann UC March 10, 1928 UC-909011 Gilia angelensis Plants
~ trip ~
Santa Cruz Island Ralph Hoffmann POM June 14, 1930 POM-171340 Madia exigua Plants
Santa Cruz Island Ralph Hoffmann JEPS June 15, 1930 JEPS-70233 Navarretia atractyloides Plants
Santa Cruz Island Ralph Hoffmann RSA June 29, 1930 RSA-216690 Cercocarpus betuloides blancheae Plants
Santa Cruz Island Ralph Hoffmann POM June 29, 1930 POM-216689 Sambucus mexicana Plants
Santa Cruz Island Ralph Hoffmann POM July 1, 1930 POM-171333 Epilobium ciliatum ciliatum Plants
Santa Cruz Island Ralph Hoffmann POM July 1, 1930 POM-684628 Equisetum laevigatum Plants
Santa Cruz Island Ralph Hoffmann JEPS July 1, 1930 JEPS-69734 Gilia tricolor diffusa Plants
~ trip ~
Santa Cruz Island Ralph Hoffmann POM September 21, 1930 POM-172107 Gnaphalium microcephalum Plants
~ trip ~
Santa Cruz Island Ralph Hoffmann POM April 10, 1931 POM-180040 Hazardia squarrosa grindelioides Plants
Santa Cruz Island Ralph Hoffmann POM April 10, 1931 POM-180042 Achyrachaena mollis Plants
Santa Cruz Island Ralph Hoffmann POM April 10, 1931 POM-368868 Plagiobothrys canescens Plants
Santa Cruz Island Ralph Hoffmann RSA April 10, 1931 RSA-428328 Thysanocarpus laciniatus Plants
Santa Cruz Island Ralph Hoffmann RSA April 10, 1931 RSA-431507 Raphanus sativus Plants
Santa Cruz Island Ralph Hoffmann RSA April 10, 1931 RSA-531020 Cardaria draba Plants
Santa Cruz Island Ralph Hoffmann RSA April 11, 1931 RSA-393730 Filago californica Plants
Santa Cruz Island Ralph Hoffmann POM April 12, 1931 POM-358768 Gnaphalium bicolor Plants
Santa Cruz Island Ralph Hoffmann POM April 12, 1931 POM-367731 Galium angustifolium foliosum Plants


Santa Rosa Island

2/25/1927 SBBG plants

3/2,15,16,20,25,26,27/1927 SBBG plants

5/8/1927 SBBG plants

3/10/1928 UC plants

4/16/1929 POM, JEPS plants

4/18/1929 SBBG plants

4/8,9/1930 SBBG plants

4/8/1930 POM plants

7/1/1930 POM, RSA, JEPS plants

7/7,9/1930 SBBG plants

8/7/1930 SBBG plants

12/5/1930 POM plants

5/10/1932 POM plants

https://ucjeps.cspace.berkeley.edu/ucjeps_project/public/publicsearch/

ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Santa Rosa Island Ralph Hoffmann POM April 16, 1929 POM-69582 Gilia clivorum Plants
Santa Rosa Island Ralph Hoffmann POM April 16, 1929 POM-161541 Lupinus bicolor microphyllus Plants
Santa Rosa Island Ralph Hoffmann POM April 16, 1929 POM-172014 Plantago bigelovii californica Plants
Santa Rosa Island Ralph Hoffmann POM April 16, 1929 POM-173506 Camissonia micrantha Plants
Santa Rosa Island Ralph Hoffmann PSM April 17, 1929 PSM-15350 Eremophila alpestris Birds
~ trip ~
Santa Rosa Island Ralph Hoffmann POM April 8, 1930 POM-172016 Lasthenia glabrata coulteri Plants
~ trip ~
Santa Rosa Island Ralph Hoffmann POM December 5, 1930 POM-179295 Corethrogyne filaginifolia Plants
Santa Rosa Island Ralph Hoffmann SBBG December 5, 1930 SBBG-77025 Pinus torreyana subsp. insularis Plants
~ trip ~
Santa Rosa Island Ralph Hoffmann POM May 10, 1932 POM-180200 Armeria maritima californica Plants