John Thomas Howell

1903 – 1994

American botanist

• Marin Flora
• A collection of Douglas' western American plants
• A flora of Lassen Volcanic National Park, California
• A flora of San Francisco, California
• A key to the indigenous and naturalized trees of Marin County, California
• A key to the Pteridophytes of Marin County, California
• A list of the vascular plants of Tuolumne Meadows and vicinity
• A new species of Penstemon
• A reappraisal of Carex flaccifolia
• A revision of Phacelia section Miltitzia
• A systematic study of the genus Lessingia Cham
• A tabulation of California endemics