HOWELL, John Thomas

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John Thomas Howell (1903-1994)

HOWELL, John Thomas (1903-1994), California-born California Academy of Sciences Assistant Botanical Curator and botanical collector who visited several Channel Islands, including Anacapa, Santa Cruz and San Nicolas islands. The May 1931 Santa Barbara Museum of Natural History Museum Leaflet reported that J. T. Howell accompanied Ralph Hoffmann on a collecting trip to Santa Cruz Island where they camped near the Main Ranch and studied “the interior of the island.” In addition, they “made an extensive collection of manzanitas in which Miss Eastwood is especially interested.” Howell was Alice Eastwood’s assistant in the herbarium at the California Academy of Sciences at the time.


Howell collected on:

  • Isla San Martin (1932)
  • Anacapa Island (1928)
  • San Nicolas Island (1932)
  • Santa Cruz Island (1927, 1931)


» Howell, J. T. The vascular plants from San Nicolas Island, California in California Academy of Sciences Proceedings 4: 21, 22 (277-284) YEAR;

» Howell, J. T. The closed-cone pines of insular California in Leaflets of Western Botany 3(1):1-8, 1941.



Island Collections~
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176616 Atriplex pacifica Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176617 Eriophyllum staechadifolium Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176618 Amblyopappus pusillus Plants
Anacapa Island J. T. Howell & Alfred Canby CAS May 19, 1928 CAS-176619 Silene laciniata Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176621 Lasthenia californica Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176623 Malacothrix Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176624 Erigeron foliosus var. foliosus Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176625 Achillea millefolium Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176626 Abronia maritima Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176628 Coreopsis gigantea Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176630 Rhus integrifolia Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176631 Spergularia macrotheca var. macrotheca Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176631 Calystegia macrostegia Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176676 Suaeda taxifolia Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176716 Malacothrix saxatilis var. implicata Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176717 Astragalus miguelensis Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176718 Astragalus miguelensis Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176719 Corethrogyne filaginifolia Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176721 Perityle emoryi Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176722 Castilleja hololeuca Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176723 Artemisia californica Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176725 Eriophyllum confertiflorum Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176726 Frankenia salina Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176727 Frankenia salina Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-176729 Eriogonum arborescens Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-193289 Galium angustifolium subsp. foliosum Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-193290 Galium angustifolium subsp. foliosum Plants
Anacapa Island J. T. Howell CAS May 19, 1928 CAS-193291 Lasthenia californica Plants
Anacapa Island J. T. Howell CAS May 19, 1928 DS-193279 Astragalus miguelensis Plants
Anacapa Island J. T. Howell HUH May 19, 1928 GH-385706 Galium angustifolium Plants
Anacapa Island J. T. Howell UC May 19, 1928 JEPS-17299 Amblyopappus pusillus Plants
Anacapa Island J. T. Howell UC May 19, 1928 JEPS-34964 Perityle emoryi Plants
Anacapa Island J. T. Howell UC May 19, 1928 JEPS-34863 Calystegia macrostegia macrostegia Plants
Anacapa Island J. T. Howell UC May 19, 1928 JEPS-54769 Astragalus miguelensis Plants
Anacapa Island J. T. Howell UCLA May 19, 1928 LA-208342 Galium angustifolium subsp. foliosum Plants
Anacapa Island J. T. Howell RSA May 19, 1928 RSA-112684 Phacelia distans Plants
Anacapa Island J. T. Howell RSA May 19, 1928 RSA-393085 Eriogonum arborescens Plants
Anacapa Island J. T. Howell RSA May 19, 1928 RSA-619468 Grindelia latifolia subsp. platyphylla Plants
Anacapa Island J. T. Howell RSA May 19, 1928 RSA-87105 Galium angustifolium subsp. foliosum Plants
Anacapa Island J. T. Howell SBBG May 19, 1928 SBBG-29819 Phacelia distans Plants
Anacapa Island J. T. Howell UC May 19, 1928 UC-421574 Astragalus miguelensis Plants
Anacapa Island J. T. Howell UC May 19, 1928 UC-421599 Corethrogyne filaginifolia Plants
Anacapa Island J. T. Howell UC May 19, 1928 UC-702982 Phacelia distans Plants


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
San Nicolas Island J. T. Howell UC March 12, 1932 UC-517949 Atriplex californica Plants
San Nicolas Island J. T. Howell UC March 12, 1932 UC-517950 Lomatium insulare Plants
San Nicolas Island J. T. Howell UC March 13, 1932 UC-517948 Apiastrum angustifolium Plants
San Nicolas Island J. T. Howell UC March 13, 1932 UC-1573449 Corallina chilensis Plants


Santa Cruz Island

4/1931 CAS herps

4/14/1931 NMNH plants


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Santa Cruz Island J. T. Howell UC August 20, 1927 Jeps-16 Eriodictyon californicum Plants
Santa Cruz Island J. T. Howell UC April 10, 1931 UC-1761608 Viola pedunculata Plants
Santa Cruz Island J. T. Howell UC April 12, 1931 UC-473565 Dendromecon harfordii Plants
Santa Cruz Island J. T. Howell UC April 13, 1931 UC-473580 Quercus × macdonaldii Plants
Santa Cruz Island J. T. Howell UC April 13, 1931 UC-517439 Mimulus nasutus Plants