Wildlife

Bitterroot; rock rose

Lewisia rediviva
Bitterroot; rock rose

Photo: Wikimedia Commons via Wikipedia

Habitat
Mouth of Lolo Creek, MT
Conservation
Apparently secure
First Observed
1806-07-02

As name implies, Lewis found root bitter; natives ate it heartily. Named for Lewis and ability of dried plant to regrow.

Recent sightings

Where it’s being seen today

8 research-grade iNaturalist observations between 2022–2025. Most recent: 2025-06-09. Sourced from Terrain360 trail captures, cached locally.

Journal References

15 journal entries mention Bitterroot; rock rose

Jun 14 1804
Missouri River near Jefferson City area — Joseph Whitehouse: June 14, 1804
...yoe at the End of s* Byoe Came to the main River. the River Rose the wrack run Rappidly we had to S[t]rike Streat Across the River and the boat with the Other Craft...
Jul 2 1804
Missouri River near Leavenworth area — Joseph Whitehouse: July 2, 1804
the wind Rose before we started and blew fair with us Sail** Chiefly for the space of Eight hours we came to Smal...
Jul 8 1804
Missouri River near St. Joseph area — Joseph Whitehouse: July 8, 1804
the wind Rose before we starte’ and blew fair with us Sail‘ Chiefly for the space of Eight hours we came to S...
Jul 16 1804
Missouri River near Platte River mouth — Joseph Whitehouse: July 16, 1804
The morning was Clear the water strong the wind rose had Good Sailing pass‘ a number of Islands to the labour® Seen Some Elk on the E. Shore as we pa...
May 1 1805
Missouri River near Porcupine River — Joseph Whitehouse: May 1, 1805
...sant, and the timber more pleanty. about 12 oClock the wind rose So high that we were oblidged to halt in a bottom of timber on the South Side. one cannoe lay on th...
May 12 1805
Missouri River Breaks area — Patrick Gass: May 12, 1805
...At 1 we halted for dinner and a violent storm of wind then arose, which continued until 84 GASS’S JOURNAL OF THE night when some rain fell. Our distance this day ...
May 14 1805
Missouri River Breaks area — Patrick Gass: May 14, 1805
...o the canoes were dressing the bear, a sudden gust of wind arose, which overset one of the periogues before the sail could be got down. The men who had been on boar...
Jun 1 1805
Missouri River near Marias River approach — Joseph Whitehouse: June 1, 1805
...and air our goods 1805] WHITEHOUSE’S JOURNAL &c. the wind rose from the S. E. the river bears to the South, handsom baron plains back from the river. we Saw Mount...
Jun 3 1805
Patrick Gass: June 3, 1805
... a handsome small river falls into the North branch, called Rose river. Its water is muddy, and the current rapid. Captain Lewis took a meridian altitude at the poi...
Jul 24 1805
Missouri River above Great Falls, Gates of the Mountains — Patrick Gass: July 24, 1805
prosecuted our voyage; passed a bank of very red earth, which our squaw told us the natives use for paint...
Aug 12 1805
Joseph Whitehouse: August 12, 1805
...Swampy bottoms. about 2 oClock P. M. a hard Thunder Shower arose rained a Short time. we then proceeded on the current more rapid one of the large canoes was near t...
Mar 25 1806
Departed Fort Clatsop, ascending Columbia River — Patrick Gass: March 25, 1806
... the men purchased an otter skin. — At this time the wind rose and blew very hard accompanied with rain; notwithstanding we proceeded on till night, when we came ...
Apr 13 1806
Columbia near The Dalles, trading for horses — Patrick Gass: April 13, 1806
...hern shore, till we passed Crusate’s river, when the wind rose so high we could not go on, so we halted and waited for Capt. Lewis. Two hunters went out about- 3 ...
Jun 1 1806
Camp Chopunnish (Long Camp), waiting for snow to melt — Patrick Gass: June 1, 1806
...wers of rain during the night. Since last evening the river rose eighteen inches. Two hunters went out this morn- ing, and some of the natives came to see us. The s...
Jun 4 1806
Camp Chopunnish (Long Camp), waiting for snow to melt — Patrick Gass: June 4, 1806
.... The river fell considerably yes- terday, and in the night rose only an inch and an half. At noon one of our hunters came in with two deer he had killed. The after...

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