Welder Machaeranthera - Center For Plant Conservation
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Plant Profile

Welder Machaeranthera (Psilactis heterocarpa)

  • Global Rank: G2 - Imperiled
  • Legal Status: N/A
  • Family: Asteraceae
  • State: TX
  • Nature Serve ID: 152148
  • Date Inducted in National Collection: 08/22/2022

San Antonio Botanical Garden is actively working on recollecting this species.

Where is Welder Machaeranthera (Psilactis heterocarpa) located in the wild?


grassland and adjacent scrub woodlands



States & Provinces:

Welder Machaeranthera can be found in Texas

Which CPC Partners conserve Welder Machaeranthera (Psilactis heterocarpa)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Nature Serve Biotics
  • 05/02/2017

This species has been found along the Texas Gulf Coast. Further research may reveal additional localities and determine the degree to which the species is able to persist following the application of pasture improvement techniques and other habitat disturbances.

  • 01/01/2010

some in S. Texas individuals in 3 unprotected populations at Welder Wildlife Management Area

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Taxon Psilactis heterocarpa
Authority (R.L. Hartm. & M.A. Lane) D. Morgan
Family Asteraceae
CPC Number 8209
ITIS 507663
Common Names Welder Machaeranthera | San Patricio tansyaster
Associated Scientific Names Machaeranthera heterocarpa | Psilactis heterocarpa
Distribution NA
State Rank
State State Rank
Texas S2S3
Ecological Relationships


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