# Mary Esther Elder

> American botanist and botanical collector (1883 – 1972)

**Wikidata**: [Q117026545](https://www.wikidata.org/wiki/Q117026545)  
**Source**: https://4ort.xyz/entity/mary-esther-elder


## References

1. Bionomia
2. [Source](https://archive.org/details/N033984/page/430/mode/2up?q=%22Mary+Esther+Elder%22)
3. Edwin Butterworth Mains 1890—1968
4. [Source](https://archive.org/details/03610470R.nlm.nih.gov/page/n851/mode/2up)
5. [Source](https://archive.org/details/announcementforb19univ_0/page/n1/mode/2up)
6. FamilySearch
7. [Source](https://archive.org/details/bulletinofburea321912unit/page/156/mode/2up)
8. [Source](https://archive.org/details/nationalunioncat0157unse_u5u4/page/516/mode/2up?q=%22Mary+Esther+Elder%22)
9. [Source](https://archive.org/details/universityofcolo910191213univ/page/n135/mode/2up)
10. Biodiversity Heritage Library