Gentiana (Gentians) in the Greater Yellowstone Ecosystem

• Gentiana in iNat
• Gentiana in the Greater Yellowstone Ecosystem
• BONAP Field Maps for Gentiana

Gentiana affinis (Pleated Gentian)

Photo source

• Range: All counties in Greater Yellowstone Ecosystem
• Observations in Flora of the Yellowstone Ecosystem Project
• Identification Resources: American Southwest Flowers, Minnesota Wildflowers
• Distinguished from G calycosa by slender leaves near the flower head and having more than one flower per stem. Both have similar shaped blue flowers and may have light spots.

Gentiana calycosa (Mountain Bog Gentian)

Photo source

• Range: Beaverhead MT, Madison MT, Gallatin MT, Carbon MT, Park WY, Teton WY, Sublette WY, Lincoln WY
• Observations in Flora of the Yellowstone Ecosystem Project
• Observations with useful comments: 9/19/16
• Identification Resources: American Southwest Flowers, Wildflowers of the United States
• Distinguished from G affinis by ovate leaves and only having 1 flower per stem. Both have similar shaped blue flowers and may have light spots.

Gentiana algida (Artic Gentian, Whitish Gentian)

Photo source

• Range: Park WY, Fremont WY, Sublette WY, Madison MT, Gallatin MT, Carbon MT
• Observations in Flora of the Yellowstone Ecosystem Project
• Identification Resources: American Southwest Flowers

Gentiana fremontii (Fremont’s Gentian)

Photo source

• Range: Teton ID, Teton WY, Fremont, WY, Sublette WY.
• Observations in Flora of the Yellowstone Ecosystem Project: No observations in iNat for any of these counties as of 10/2022
• Identification Resources:

Gentiana prostrata (Pygmy Gentian)

Photo source

• Range: Park WY, Sublette WY, Fremont WY, Park WY, Carbon WY,
• Observations in Flora of the Yellowstone Ecosystem Project: No observations in iNat for any of these counties as of 10/2022
• Identification Resources:

Other species to consider

• Gentiana parryi (Parry’s Gentian). In Wyoming. Read about in American Southwest Wildflowers, Southwest Colorado Wildflowers

Identification Workflows

• Add Phenology annotations to Gentiana - This is a great way to interact with these plants on iNat and add to the value of the data. You can read about phenology annotations in this post on the iNat forum.
• Identify Gentiana in the Greater Yellowstone Ecosystem, excluding those you have previously reviewed
• Identify Gentiana in the Greater Yellowstone Ecosystem, including those you have previously reviewed. When I have new knowledge, I sometimes like to revisit plants that Need IDs that I may have skipped over.
• affinis script: Distinguished from G. calycosa by slender leaves near the flower head and having more than one flower per stem. Both have similar shaped blue flowers and may have light spots. https://www.inaturalist.org/projects/144298/journal/71125
• calycosa script: Distinguished from G. affinis by ovate leaves and only having 1 flower per stem. Both have similar shaped blue flowers and may have light spots. https://www.inaturalist.org/projects/144298/journal/71125

Correct/Improve this guide

• Please comment below if you identify errors in this guide or if you have additional information that would make this guide more useful.

Posted on 16 de outubro de 2022, 04:35 AM by whitneybrook