{"id":154882,"date":"2026-03-12T14:28:25","date_gmt":"2026-03-12T21:28:25","guid":{"rendered":"https:\/\/www.savetheredwoods.org\/?p=154882"},"modified":"2026-03-12T14:28:25","modified_gmt":"2026-03-12T21:28:25","slug":"ynes-mexia-the-latina-botanist-who-helped-save-redwoods","status":"publish","type":"post","link":"https:\/\/www.savetheredwoods.org\/blog\/ynes-mexia-the-latina-botanist-who-helped-save-redwoods\/","title":{"rendered":"Yn\u00e9s Mex\u00eda, the Latina botanist who helped save redwoods"},"content":{"rendered":"<figure id=\"attachment_155021\" class=\"thumbnail wp-caption aligncenter\"><img decoding=\"async\" class=\"wpa-warning wpa-image-missing-alt img-responsive wp-image-155021 size-feature\" src=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Screenshot-2026-03-10-at-4.26.04-PM-641x700.png\" alt=\"\" width=\"641\" height=\"700\" data-warning=\"Missing alt text\" srcset=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Screenshot-2026-03-10-at-4.26.04-PM-641x700.png 641w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Screenshot-2026-03-10-at-4.26.04-PM-768x838.png 768w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Screenshot-2026-03-10-at-4.26.04-PM-25x27.png 25w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Screenshot-2026-03-10-at-4.26.04-PM.png 938w\" sizes=\"(max-width: 641px) 100vw, 641px\" \/><figcaption class=\"caption wp-caption-text\">Yn\u00e9s Mex\u00eda, friend to birds and plants alike, with a black-headed grosbeak, circa 1921. Photo courtesy of California Academy of Sciences.<\/figcaption><\/figure>\n<p style=\"font-weight: 400;\">In 1918, Yn\u00e9s Mex\u00eda encountered her first old-growth redwoods at what is now <a href=\"https:\/\/www.savetheredwoods.org\/project\/montgomery-woods-park-project\/\">Montgomery Woods<\/a> in Mendocino County. She stepped into that primeval forest and felt the soft loam give way beneath her feet, saw walls of lush, dripping ferns, and gawked at muscular tree trunks as thick as boxcars rising impossibly high into the fog. She had never seen such wonders. As she marveled at the beauty surrounding her, Mex\u00eda wouldn\u2019t have imagined that a grove in this incredible forest would later be named in her honor. She certainly couldn\u2019t have imagined that she would become one of history\u2019s most renowned botanists.<\/p>\n<p style=\"font-weight: 400;\">Mex\u00eda hadn\u2019t taken a single botany class in her life. And she was 48 years old.<\/p>\n<h4 style=\"font-weight: 400;\">A life awakened in nature<\/h4>\n<figure id=\"attachment_154886\" class=\"thumbnail wp-caption aligncenter\"><img decoding=\"async\" class=\"wpa-warning wpa-image-missing-alt img-responsive wp-image-154886 size-full\" src=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ynes-5.jpg.webp\" alt=\"\" width=\"501\" height=\"662\" data-warning=\"Missing alt text\" srcset=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ynes-5.jpg.webp 501w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ynes-5.jpg-20x27.webp 20w\" sizes=\"(max-width: 501px) 100vw, 501px\" \/><figcaption class=\"caption wp-caption-text\">Mex\u00eda occasionally traveled throughout California in an open-top Model T collecting specimens as she went. Photo courtesy of the Bancroft Library, UC Berkeley.<\/figcaption><\/figure>\n<p style=\"font-weight: 400;\">Mex\u00eda was born in 1870, the daughter of a Mexican diplomat then stationed in Washington DC. Her parents divorced when she was a toddler, and she endured a turbulent childhood. As a young woman Mex\u00eda settled in Mexico to manage her father\u2019s ranch after his passing. She suffered through two difficult marriages and struggled with her mental health. At 39, she moved again, this time to San Francisco, to seek psychiatric treatment. What Mex\u00eda discovered there changed her life forever.<\/p>\n<p style=\"font-weight: 400;\">Once in California, her doctor encouraged her to seek solace and peace in nature. She accepted his advice, first with long walks in Golden Gate Park, and later as an enthusiastic participant in the early California conservation movement. Mex\u00eda joined the newly formed Save the Redwoods League in 1919, joining the ranks of the women who <a href=\"https:\/\/www.savetheredwoods.org\/blog\/a-league-of-their-own\/\">helped spark the organization&#8217;s early successes<\/a>. She also signed on to the Sierra Club. With those groups, Mex\u00eda was introduced to the coast redwood forests of Northern California, and was awestruck by Yosemite\u2019s grandeur.<\/p>\n<p style=\"font-weight: 400;\">It was as if a door to a new life had cracked open. Mex\u00eda was so stunned by the diversity of plants and wildlife she\u2019d encountered, she decided, in her early 50s, to enroll at the University of California at Berkeley to study natural history. She immediately fell in love with botany and discovered she had a natural talent for spotting unusual species.<\/p>\n<h4 style=\"font-weight: 400;\">From Alaska to Tierra del Fuego<\/h4>\n<figure id=\"attachment_154885\" class=\"thumbnail wp-caption aligncenter\"><img decoding=\"async\" class=\"wpa-warning wpa-image-missing-alt img-responsive wp-image-154885 size-feature\" src=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ibss_4000x2991_library-bw-copy_of_ynes_mexia_negatives_onhorse_220427-700x394.jpg\" alt=\"\" width=\"700\" height=\"394\" data-warning=\"Missing alt text\" srcset=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ibss_4000x2991_library-bw-copy_of_ynes_mexia_negatives_onhorse_220427-700x394.jpg 700w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ibss_4000x2991_library-bw-copy_of_ynes_mexia_negatives_onhorse_220427-768x432.jpg 768w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ibss_4000x2991_library-bw-copy_of_ynes_mexia_negatives_onhorse_220427-31x17.jpg 31w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/ibss_4000x2991_library-bw-copy_of_ynes_mexia_negatives_onhorse_220427.jpg 960w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"caption wp-caption-text\">When Mex\u00eda recorded specimens in what is now Denali National Park and Preserve, there was virtually no infrastructure, few roads, and travel was tough. She left with a stack of plant pressings three-feet high. Photo courtesy of California Academy of Sciences.<\/figcaption><\/figure>\n<p style=\"font-weight: 400;\">Mex\u00eda was an outlier in her classes at Berkeley. She was a Latina in an institution then largely composed of white students. She was a woman in the male-dominated sciences. And she was about 30 years older than most of her classmates. None of that fazed her.<\/p>\n<p style=\"font-weight: 400;\">In 1925 Mex\u00eda joined a plant collecting trip to Sinaloa, Mexico, with Stanford University. It was her first serious expedition. At a time when women scientists were expected to work in libraries, not in the field, Mex\u00eda&#8217;s time spent as a hand on her family&#8217;s ranch and familiarity with sleeping outside meant she was more than comfortable with long stretches in the backcountry. Mex\u00eda returned from Mexico with 1,500 plant specimens she\u2019d carefully pressed and recorded in the field. <span style=\"font-weight: 400;\">One of them is now named for her: <em>Mimosa mexiae\u2014<\/em>a gorgeous lavender flower that looks like a tiny exploding star.<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure id=\"attachment_155139\" class=\"thumbnail wp-caption aligncenter\"><img decoding=\"async\" class=\"wpa-warning wpa-image-missing-alt img-responsive wp-image-155139 size-feature\" src=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Alternanthera_porrigens_var._mearsii_Eliasson_botanical_specimen-526x700.jpg\" alt=\"\" width=\"526\" height=\"700\" data-warning=\"Missing alt text\" srcset=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Alternanthera_porrigens_var._mearsii_Eliasson_botanical_specimen-526x700.jpg 526w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Alternanthera_porrigens_var._mearsii_Eliasson_botanical_specimen-857x1140.jpg 857w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Alternanthera_porrigens_var._mearsii_Eliasson_botanical_specimen-768x1022.jpg 768w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Alternanthera_porrigens_var._mearsii_Eliasson_botanical_specimen-20x27.jpg 20w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Alternanthera_porrigens_var._mearsii_Eliasson_botanical_specimen.jpg 960w\" sizes=\"(max-width: 526px) 100vw, 526px\" \/><figcaption class=\"caption wp-caption-text\">One of the thousands of specimens Mex\u00eda collected in the field. Her notes are visible at bottom right. Photo courtesy of Smithsonian Institution.<\/figcaption><\/figure>\n<\/div>\n<p style=\"font-weight: 400;\">That kicked off a 13-year period of Mex\u00eda striking off deep into the bush from Alaska to Tierra del Fuego, to collect as many plant species as she could find. Mex\u00eda, fluent in Spanish, particularly loved traveling in South America, where she stood out for being a woman traveling by herself, often arriving at far-flung destinations on horseback. She once tumbled off a cliff, breaking several ribs and was badly sickened by eating poisonous berries. But that was simply part of the adventure.<\/p>\n<p style=\"font-weight: 400;\">Mex\u00eda once wrote: \u201c<em>A well-known collector and explorer stated very positively that \u2018it was impossible for a woman to travel alone in Latin America.\u2019 I decided that if I wanted to become better acquainted with the South American Continent the best way would be to make my way right across it.\u201d<\/em><\/p>\n<p style=\"font-weight: 400;\">Mex\u00eda spent months at a time in the field, ultimately collecting nearly 150,000 specimens. She was the first botanist to make plant pressings in what is now Denali National Park, and throughout her career she recorded at least 500 species unknown to science, 50 of which are now named for her. Much of her collection is permanently housed in archives at UC Berkeley and the California Academy of Sciences.<\/p>\n<h4 style=\"font-weight: 400;\">Preserving Montgomery Woods<\/h4>\n<figure id=\"attachment_44013\" class=\"thumbnail wp-caption aligncenter\"><img decoding=\"async\" class=\"img-responsive wp-image-44013 size-feature\" src=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Montgomery_Woods__Atkins_Place_Max_Forster_16-web-700x467.jpg\" alt=\"woman touching the trunk of an ancient redwood\" width=\"700\" height=\"467\" srcset=\"https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Montgomery_Woods__Atkins_Place_Max_Forster_16-web-700x467.jpg 700w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Montgomery_Woods__Atkins_Place_Max_Forster_16-web-1140x760.jpg 1140w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Montgomery_Woods__Atkins_Place_Max_Forster_16-web-768x512.jpg 768w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Montgomery_Woods__Atkins_Place_Max_Forster_16-web-1536x1024.jpg 1536w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Montgomery_Woods__Atkins_Place_Max_Forster_16-web-31x21.jpg 31w, https:\/\/www.savetheredwoods.org\/wp-content\/uploads\/Montgomery_Woods__Atkins_Place_Max_Forster_16-web.jpg 1920w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"caption wp-caption-text\">An old-growth giant stands in Montgomery Woods State Natural Reserve, which exists in part because of Mex\u00eda&#8217;s advocacy. Photo by Max Forster.<\/figcaption><\/figure>\n<p style=\"font-weight: 400;\">One of Mex\u00eda&#8217;s most lasting achievements is her impact on the redwood forest that helped kickstart her interest in botany. Shortly after joining Save the Redwoods, she learned industrial logging was encroaching on her beloved Montgomery Woods. Mex\u00eda wrote the organization and implored them to protect the groves. Save the Redwoods took notice and marshaled efforts to protect the trees. Some months later, she received a letter from Newton B. Drury, Save the Redwoods\u2019 assistant secretary, who explained that through efforts of the organization and concerned local citizens, the grove was saved. \u201cYou will be glad to learn that the cutting in the heart of the Montgomery Grove has been stopped.\u201d<\/p>\n<p style=\"font-weight: 400;\">Throughout her career, Mex\u00eda remained deeply connected to the redwoods. She was a favorite guest lecturer at Save the Redwoods events, where this slight, bespectacled woman fascinated audiences with adventure yarns, always waving the flag of conservation. When Mex\u00eda passed away at the age of 68, she left much of her estate to Save the Redwoods and the Sierra Club.<\/p>\n<p style=\"font-weight: 400;\">In 1968, officials with Save the Redwoods and California State Parks dedicated the Yn\u00e9s Mex\u00eda Memorial Grove in Montgomery Woods State Reserve, in honor of her contributions to preserving that incredible landscape. Since 1947, Save the Redwoods has expanded the reserve to 2,743 acres, continuing Mex\u00eda&#8217;s legacy of protection.<\/p>\n<p style=\"font-weight: 400;\">\u201cAll who knew Yn\u00e9s Mex\u00eda could not fail to be impressed by her friendly unassuming spirit,\u201d William E. Colby, the secretary of the Sierra Club, wrote in a memorial. \u201cAnd by that rare courage which enabled her to travel, much of the time alone, in lands where few would dare to follow.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A late-blooming botanist\u2019s first encounter with the redwoods sparked a remarkable career\u2014and helped save Montgomery Woods.<\/p>\n","protected":false},"author":149,"featured_media":154885,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1515],"tags":[708,3078,987,1173],"class_list":["post-154882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-montgomery-woods-state-natural-reserve","tag-save-the-redwoods-league-history","tag-science","tag-women-in-conservation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - 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