Rare Plant Inventory

A Science-Driven Approach

Latest Updates: Version v-9.5 released. Release Notes

Plummer's mariposa-lily (Calochortus plummerae). Credit Lara Hartley.

Additions / Changes / Deletions

Name
Arctostaphylos rudis changed from 1B.2 to 1B.1 on 2024-10-01
Wyethia invenusta changed from CBR to 4.2 on 2024-09-26
Swertia perennis added to 4.2 on 2024-09-26
Galium hilendiae ssp. hilendiae added to 4.2 on 2024-09-26
Clarkia speciosa ssp. polyantha added to 4.3 on 2024-09-26
Aliciella lottiae Considered But Rejected on 2024-09-26
Acmispon cytisoides added to 4.2 on 2024-09-26
Malacothamnus jonesii var. jonesii changed from 4.3 to 1B.2 on 2024-09-12
Malacothamnus jonesii var. niveus added to 4.3 on 2024-09-11
Dudleya chasmophyta added to 1B.1 on 2024-09-04
Atriplex gypsophila added to 1B.3 on 2024-07-11
Malacothamnus discombobulatus added to 1B.2 on 2024-06-17
Sedum paradisum ssp. subroseum added to 1B.2 on 2024-05-24
Pentagramma rebmanii added to 1B.3 on 2024-05-21
Malacothamnus eastwoodiae added to 1B.1 on 2024-05-09
Malacothamnus astrotentaculatus added to 1B.3 on 2024-04-29
Schoenoplectiella saximontana added to 2B.1 on 2024-04-11
Holodiscus discolor var. cedrorum added to 1B.3 on 2024-04-11
Phyla nodiflora changed from PPD to CBR on 2024-03-19
Phacelia damnationensis added to 1B.3 on 2024-03-07
Phacelia saxicola added to 2B.3 on 2024-03-07
Cleomella palmeri changed from 2B.2 to 2B.1 on 2024-02-27
Nemacladus morefieldii added to PPD on 2024-02-02
Poa rhizomata changed from 4.3 to 1B.3 on 2024-02-01
Stuckenia striata added to 2B.3 on 2024-01-30
Boechera microphylla changed from 3 to CBR on 2024-01-22
Streptanthus callistus changed from 1B.3 to 1B.2 on 2024-01-19
Chylismia munzii added to 4.2 on 2024-01-18
Microseris laciniata ssp. detlingii changed from 2B.2 to 2B.1 on 2023-11-27
Keckiella rothrockii var. jacintensis added to 1B.3 on 2023-11-20
Aphyllon epigalium ssp. notocalifornicum added to 1B.3 on 2023-09-20
Syntrichia lithophila added to 2B.3 on 2023-08-25
Nemacladus bellus added to 1B.3 on 2023-08-02
Eriogonum glandulosum changed from to 4.3 on 2023-06-29
Lomatium kogholiini added to 1B.2 on 2023-06-13
Dudleya abramsii ssp. murina changed from 1B.3 to 1B.1 on 2023-06-02
Ipomopsis polycladon changed from CBR to CBR on 2023-05-26
Calycadenia spicata added to 1B.3 on 2023-05-17
Galium argense added to 1B.3 on 2023-05-16
Lomatium repostum changed from 1B.2 to 4.2 on 2023-05-12
Nemacladus twisselmannii var. botanywomaniae added to 1B.1 on 2023-04-26
Agave simplex added to 2B.3 on 2023-04-18
Allium incomptum added to 1B.3 on 2023-04-05
Isoetes minima added to 1B.1 on 2023-03-29
Aphyllon robbinsii added to 1B.1 on 2023-03-28
Eryngium montereyense added to 1B.1 on 2023-03-15
Orobanche ludoviciana var. arenosa changed from 2B.3 to CBR on 2023-03-15
Botrychium minganense changed from 2B.2 to 4.2 on 2023-02-15
Erythranthe discolor added to 4.2 on 2023-02-15
Layia erubescens added to 1B.2 on 2023-01-30

Status Review Documents

Currently in Review

Name
Castilleja hololeuca island white-felted paintbrush
Distichlis littoralis shore grass
Ericameria nauseosa var. ceruminosa sharp-bracted rabbitbrush

Status Review Forum Forum Membership Reviewer Form