ACKLEY, May N.

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Matilda May Nevins Ackley (1856-1942)

ACKLEY, Matilda May Nevins (1856-1942), Iowa-born, one of seven children who gained her appreciation of botany late in life (in her mid sixties). Ackley visited Santa Cruz Island the weekend of September 1-3, 1928 with The Nature Club of Southern California. The trip was led by Ralph Hoffmann of the Santa Barbara Museum of Natural History. Robert H. Canterbury and Theodore Payne were also on the trip. Canterbury, then gardener at the Santa Barbara Botanic Garden, “armed with shovel and gunny sacks, scoured the canyons and chaparral slopes for roots and seeds to be added to the island group in the garden.” Payne was “filling his bags with seeds of Eriogonum arborescens…” [SBMNH leaflet October 1928].


Matilda May Nevins = [1882] Henry Clay Ackley (1847-1924)

  • Leroy Clifton Ackley (1883-1945) = [1904] Helen M. Isaacs (1884-1968)
  • Forrest Marlin Ackley (1885-1917) = [1913] Helen Irene Short (1894-1918)


Ackley collected on:

  • Santa Cruz Island (1928)


On her island trip, May Ackley collected plant specimens around Prisoners’ Harbor and Pelican Bay. Sixteen of her specimens are housed at the Santa Barbara Botanic Garden. A. Cookman, E. Benjamine and A. B. Maescher collected ornithological specimens.

May Ackley died August 19, 1942, and is buried in Forest Lawn Memorial Park, Glendale, CA, as is her husband, who died in 1924, and her son, Forrest, who had died in 1917.






Island Collections~
ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Santa Cruz Island May Ackley RSA September 2, 1928 RSA-692508 Athyrium filix-femina subsp. cyclosorum Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-77164 Polypogon monspeliensis Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-77492 Urtica dioica subsp. holosericea Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-77550 Eriogonum grande var. grande Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-77902 Dendromecon harfordii Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-78134 Lyonothamnus floribundus var. aspleniifolius Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-78182 Adenostoma fasciculatum var. fasciculatum Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-78499 Rhamnus pirifolia Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-78802 Comarostaphylis diversifolia subsp. planifolia Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-78832 Arctostaphylos insularis Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-78860 Calystegia macrostegia subsp. macrostegia Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-79209 Mimulus aurantiacus var. parviflorus Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-79533 Hazardia detonsa Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-79537 Hazardia squarrosa var. grindelioides Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-79578 Baccharis pilularis subsp. consanguinea Plants
Santa Cruz Island May Ackley SBBG September 2, 1928 SBBG-79709 Leptosyne gigantea Plants
Santa Cruz Island May Ackley SBBG September 3, 1928 SBBG-79501 Brickellia californica Plants
Santa Cruz Island May Ackley RSA September 3, 1928 RSA-685674 Cheilanthes clevelandii Plants