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
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 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
Malacothamnus mendocinensis changed from 1A to 1B.1 on 2023-01-20
Hoffmannseggia peninsularis added to 1B.1 on 2023-01-20
Penstemon clevelandii var. mohavensis added to 1B.2 on 2022-11-28
Campylopodiella stenocarpa changed from 2B.2 to CBR on 2022-11-17
Erigeron conditii added to 1B.1 on 2022-11-17
Scytinium siskiyouense added to 1B.1 on 2022-10-13
Marsupella aquatica Considered But Rejected on 2022-10-13
Scytinium teretiusculum Considered But Rejected on 2022-10-12
Selaginella scopulorum changed from 3 to 2B.3 on 2022-10-04
Bryum calobryoides Considered But Rejected on 2022-09-28
Platismatia lacunosa added to 2B.3 on 2022-09-28
Utricularia ochroleuca changed from 2B.2 to CBR on 2022-09-22
Dendriscocaulon intriculatum Considered But Rejected on 2022-09-20
Camissonia lacustris added to 1B.2 on 2022-09-19
Collema nigrescens Considered But Rejected on 2022-08-31
Polystichum lonchitis changed from 3 to CBR on 2022-08-23
Monardella exilis added to 4.2 on 2022-08-04
Monardella breweri ssp. microcephala added to 2B.2 on 2022-07-22
Cryptantha pterocarya var. stenoloba added to 2B.1 on 2022-07-18
Dermatocarpon meiophyllizum added to 2B.3 on 2022-07-14
Erythranthe bergeri added to 3 on 2022-06-21
Erythranthe angulosa added to 3 on 2022-06-21
Monardella australis ssp. gabrielensis added to 1B.2 on 2022-05-23
Monardella breweri ssp. glandulifera added to 1B.2 on 2022-05-20
Helianthus exilis changed from 4.2 to CBR on 2022-05-03
Castilleja ambigua var. heckardii added to 1B.1 on 2022-04-07
Erythranthe serpentinicola added to 1B.1 on 2022-03-30
Monardella mojavensis added to 1B.3 on 2022-03-15
Castilleja schizotricha changed from 4.3 to 1B.3 on 2022-02-18
Chorizanthe rectispina changed from 1B.3 to 1B.2 on 2022-01-06
Silene greenei ssp. angustifolia changed from 4.2 to 1B.2 on 2021-11-21
Claytonia crawfordii added to 1B.2 on 2021-10-14
Silene bolanderi added to 1B.2 on 2021-07-30
Silene hookeri added to 2B.2 on 2021-07-30
Silene nelsonii added to 4.3 on 2021-06-24

Status Review Documents

Currently in Review

Name
Eriogonum glandulosum glandular buckwheat
Lomatium kogholiini Wailaki lomatium

Status Review Forum Forum Membership Reviewer Form